Atal Tinkering Lab Equipment List 2025: The Ultimate Technical Guide For ATL Packages 1

🏫 Introduction: Empowering Innovation Through ATL Labs

The Atal Tinkering Lab Equipment List 2025 represents a major step toward making STEM learning more accessible, practical, and innovation-driven across India.
For school ATL coordinators, STEM teachers, and education officials, this guide provides a complete technical overview of the six official ATL packages — from IoT and robotics to safety and maintenance.

By the end of this article, you’ll understand how to set up, operate, and maintain a world-class ATL aligned with NITI Aayog’s AIM (Atal Innovation Mission) guidelines.

📦 Final ATL Equipment Package Structure (2025 Edition)

P 1 : Electronics & Robotics Integration
🔹 Part 1: Electronics Development – Covers basic electronic tools, breadboards, components, and circuit design for foundational learning
🔹 Part 2: Internet of Things (IoT) & Sensors – Includes environmental, proximity, and biometric sensors for automation and smart projects.
🔹 Part 3: Robotics Components – Covers actuators, motors, drivers, and STEM robotic kits for motion and control systems.

P 2 : Rapid Prototyping Tools
Covers 3D printers, filaments, art materials, and accessories for model fabrication and design thinking.

P 3 : Mechanical, Electrical & Measurement Tools
Includes hand tools, power tools, soldering equipment, and measurement instruments for assembly, fabrication, and testing.

P 4 : Electronics Development & Microcontroller Systems
Focuses on coding, embedded systems, IoT connectivity, and programmable controllers such as Arduino, NodeMCU, and Raspberry Pi.

P 5 : Electrical & Electronic Components (Passive & Active Devices)
Contains all resistors, capacitors, diodes, transistors, ICs, and semiconductors required for circuit prototyping and testing.

P 6 : Electrical Safety, Storage & Accessories
Includes ESD protection, safety equipment, fire control, organized storage, and maintenance accessories to ensure safe and efficient lab operations.

⚙️ Package 1 – Electronics & Robotics Integration

Electronics and robotics components including microcontrollers, sensors, and circuit boards for integration projects — Explore hands-on learning with Package 1: Electronics & Robotics Integration – microcontrollers, sensors, and circuits for building smart robotic systems.

Explore the world of connected devices with this IoT and sensors package. Equipped with modules, sensors, and communication components, it allows students to create smart applications and real-time monitoring systems. All items are selected as per the Atal Tinkering Lab Equipment List 2025 to ensure up-to-date, hands-on learning experiences.

Package 1 (Part 1: Electronics Development)

1. Arduino Uno (ATmega328P or Equivalent)
Description:
The Arduino Uno is a microcontroller development board based on the ATmega328P, an 8-bit AVR microcontroller. It operates at 5V and is equipped with 14 digital I/O pins (6 of which can provide PWM output) and 6 analog input pins. The Uno is widely used for embedded system development and prototyping.
Technical Features:
Operating Voltage: 5V DC
Input Voltage (recommended): 7–12V
Clock Speed: 16 MHz
Flash Memory: 32 KB
SRAM: 2 KB
EEPROM: 1 KB
Communication: UART, SPI, I²C
USB Type-B interface for power and programming
Accessories: Case shell enclosure, compatible USB cable
Applications:
Used for robotic control systems, automation circuits, and IoT projects requiring analog/digital input-output interfacing.

2. Arduino Nano (ATmega328P or Equivalent)
Description:
A compact, breadboard-friendly version of the Arduino platform, the Nano provides the same microcontroller capability as the Uno but in a smaller form factor. It is ideal for space-constrained embedded projects.
Technical Features:
Operating Voltage: 5V
Input Voltage (recommended): 7–12V
Digital I/O Pins: 14 (6 PWM)
Analog Input Pins: 8
Clock Speed: 16 MHz
USB Mini-B interface
Applications:
Used in miniaturized embedded systems, wearable electronics, and sensor-based prototypes.

3. Arduino Mega (ATmega2560P or Equivalent)
Description:
The Arduino Mega is a high-pin-count microcontroller board designed for complex projects that require multiple I/O connections. It employs the ATmega2560 microcontroller.
Technical Features:
Operating Voltage: 5V
Digital I/O Pins: 54 (15 PWM outputs)
Analog Input Pins: 16
Flash Memory: 256 KB
SRAM: 8 KB
EEPROM: 4 KB
Clock Speed: 16 MHz
Applications:
Used in large-scale robotics, automation, and IoT control systems with multiple sensors and actuators.

4. Raspberry Pi 3 Model B+
Description:
A single-board computer equipped with a 1.4 GHz 64-bit quad-core processor, integrated Wi-Fi, and Bluetooth 4.2. It supports Linux-based operating systems and functions as a compact computer for AI and IoT applications.
Technical Features:
CPU: Broadcom BCM2837B0, Cortex-A53 (64-bit, 1.4 GHz)
RAM: 1 GB LPDDR2 SDRAM
Storage: MicroSD card (32 GB recommended)
Connectivity: HDMI, USB 2.0, Ethernet, Wi-Fi, Bluetooth
Accessories: HDMI to VGA converter, case enclosure, power cable
Applications:
Used for machine learning models, data logging, web servers, and camera-based robotics.

5. Breadboards and Mini Breadboards
Description:
Solderless breadboards allow rapid prototyping of electronic circuits without permanent connections. Mini breadboards are compact for small circuits.
Technical Features:
Standard: 400-pin and 800-pin variants
Type: Solderless with adhesive backing
Reusable for numerous circuit layouts
Applications:
Used for temporary circuit assembly, testing, and educational experimentation.

6. General Purpose Solderable Boards (FR2 A-Grade)
Description:
These are phenolic resin boards used for permanent soldering of electronic components after successful breadboard prototyping.
Technical Features:
Material: FR2 A-Grade (Fiber Reinforced Phenolic)
Sizes: 140×90 mm and 80×55 mm
Hole Pitch: 2.54 mm
Applications:
Used to fabricate finalized versions of tested electronic circuits.

7. Berg Strips (Male/Female)
Description:
Single-row breakable pin connectors (2.54 mm pitch) used to connect jumper cables and modules to microcontroller boards.
Technical Features:
Pin Configuration: 40-pin single row
Types: Male and Female
Pitch: 2.54 mm
Applications:
Used for connecting modules, sensors, and shields to main boards.

8. 16×2 LCD Display (I2C Interface)
Description:
A dot matrix Liquid Crystal Display with 16 columns and 2 rows for alphanumeric display. The I2C interface reduces wiring complexity.
Technical Features:
Display Type: Character, 16×2
Interface: I2C/TWI
Operating Voltage: 5V
Backlight: LED-based
Applications:
Used for displaying sensor readings, system status, and user interfaces.

9. USB Cables (A-B, Mini, Micro)
Description:
High-quality USB cables used for data communication and power supply between microcontrollers, computers, and peripherals.
Specifications:
Cable Type: USB A to B / Mini / Micro
Length: ≥ 12 inches
Data Transfer Rate: Up to 480 Mbps
Applications:
Used for device programming, data transfer, and powering boards like Arduino and Raspberry Pi.

10. Rechargeable Battery (9–12V, 2000–2500 mAh)
Description:
Rechargeable DC batteries provide portable power for mobile robots and other electronics systems.
Technical Features:
Voltage: 9–12V
Capacity: 2000–2500 mAh
Type: Li-ion/NiMH (equivalent or better)
Applications:
Used in mobile robotic platforms, battery-operated tools, and standalone IoT devices.

11. Resistor Kit
Description:
An assortment of carbon film resistors with varying resistance values used for controlling current and voltage in electronic circuits.
Technical Features:
Resistance Range: 0 Ω to 1 MΩ
Wattage: 0.125W to 1W
Tolerance: ±5%
Applications:
Used in voltage dividers, current limiting, timing circuits, and biasing components.

12. Capacitor Kit
Description:
A kit containing capacitors of multiple capacitance values for energy storage and filtering in circuits.
Technical Features:
Types: Ceramic and electrolytic
Capacitance Range: 10 pF – 1000 µF
Voltage Rating: 10–50V
Applications:
Used in signal filtering, timing, energy smoothing, and transient suppression.

13. Linear Voltage Regulators (7805, 7812, 7809)
Description:
Three-terminal ICs that provide constant output voltage irrespective of input or load variations.
Technical Features:
Output Voltage: 5V, 9V, 12V (fixed)
Maximum Output Current: 1A
Line/Load Regulation: ±4%
Applications:
Used for regulated DC power supply design for microcontrollers and sensors.

14. DC Water Pump Module
Description:
A 12V DC submersible pump for transferring water in small-scale projects.
Technical Features:
Voltage: 12V DC
Power: 3W
Flow Rate: Approx. 120 L/hour
Type: Submersible
Applications:
Used in water level systems, plant irrigation projects, and fluid control experiments.

15. Piezoelectric Plate
Description:
A circular piezo disc that converts mechanical vibration into electrical signals and vice versa.
Technical Features:
Material: Copper base
Diameter: ~4 cm
Frequency Range: 1–10 kHz
Applications:
Used in buzzers, vibration detection systems, and sound generation circuits.

16. 8×8 LED Matrix Module
Description:
An array of 64 LEDs controlled via Max7219 driver IC, enabling multiplexed LED display operations.
Technical Features:
Display Format: 8 rows × 8 columns
Control Interface: Serial (SPI)
Operating Voltage: 5V
Applications:
Used for displaying scrolling text, graphics, or animations.

17. Bluetooth Module (HC-05)
Description:
A serial communication module for wireless data transfer using Bluetooth technology.
Technical Features:
Version: Bluetooth v2.0+EDR
Operating Voltage: 3.6–6V
Communication: UART (9600 bps default)
Applications:
Used in remote-controlled robots, wireless sensors, and IoT devices.

18. 7-Segment LED Display (4-Digit)
Description:
An LED-based numeric display used for showing digits and symbols through seven illuminated segments.
Technical Features:
Voltage: 2.4–5.5V
Interface Pins: VCC, GND, Data, Clock
Type: Common Cathode/Anode
Applications:
Used in counters, clocks, and digital measuring instruments.

19. GSM Module (SIM900)
Description:
A quad-band GSM/GPRS communication module that allows devices to send/receive SMS and access mobile internet.
Technical Features:
Frequency Bands: 850/900/1800/1900 MHz
Interface: TTL serial
Power Supply: 5V
Applications:
Used for remote monitoring, IoT notifications, and GPS tracking applications.

20. GPS Module (GY-NEO6MV2)
Description:
A satellite-based navigation receiver providing precise location and timing data.
Technical Features:
Interface: UART
Operating Voltage: 3.3–5V
Accuracy: <2.5 meters
Update Rate: 1 Hz
Applications:
Used in vehicle tracking, mapping, and geolocation systems.

21. Laser Diode Emitter (650 nm, 5 mW)
Description:
A low-power laser module that emits a concentrated red light beam at 650 nm wavelength. The module is typically used in alignment, distance measurement, and security applications.
Working Principle:
A laser diode operates by stimulated emission of radiation in a semiconductor junction, producing coherent and monochromatic light.
Technical Features:
Wavelength: 650 nm (visible red)
Output Power: 5 mW
Operating Voltage: 3–5V DC
Operating Current: 20–40 mA
Applications:
Used in laser-based alarms, object detection, optical communication, and precision alignment systems.

22. LDR Module (Light Dependent Resistor Sensor)
Description:
A photosensitive sensor module that detects changes in light intensity. It uses a cadmium sulfide (CdS) photoresistor whose resistance decreases as light intensity increases.
Technical Features:
Sensor Type: 5 mm / 12 mm CdS cell
Operating Voltage: 3.3–5V DC
Output: Analog signal proportional to light intensity
Applications:
Used in automatic street lighting, solar trackers, and light-sensitive control systems.

23. Keypad (16-Key Matrix)
Description:
A 4×4 matrix keypad consisting of 16 tactile push buttons arranged in rows and columns. Used for user input in embedded systems.
Technical Features:
Matrix: 4 rows × 4 columns
Interface: Digital (via GPIO pins)
Key Type: Momentary push buttons
Applications:
Used in password-based locks, menu navigation systems, and robot control panels.

24. Joystick Module (2-Axis with Push Button)
Description:
A two-axis analog input device with an integrated push button, used for motion or direction control.
Technical Features:
X and Y Axis: Analog voltage outputs (0–5V range)
Push Button: Digital on/off output
Operating Voltage: 5V
Applications:
Used for manual control of robotic arms, drones, and motorized vehicles.

25. Active Buzzer (5V)
Description:
An electronic sound-producing component that emits a continuous tone when powered. It has an inbuilt oscillating circuit, eliminating the need for external control signals.
Technical Features:
Voltage: 5V DC
Frequency Range: 2–4 kHz
Types: Small and Large variants
Applications:
Used for audio alerts, alarms, and system status notifications.

26. Motor Driver Module (L293D)
Description:
A dual H-Bridge motor driver IC module that allows control of two DC motors or one stepper motor using low-power logic signals from a microcontroller.
Technical Features:
Supply Voltage: 5–12V
Output Current: 600 mA per channel
Logic Voltage: 5V
Built-in diodes for back EMF protection
Applications:
Used in motorized robots, automated vehicles, and actuators.

27. Sound Playback Module (ISD1820)
Description:
A voice recording and playback module capable of storing short audio messages (up to 10 seconds) and playing them back using a microcontroller trigger.
Technical Features:
Recording Time: 8–20 seconds (depending on resistor setting)
Supply Voltage: 3–5V
Output: Speaker interface and digital control pins
Applications:
Used in talking robots, voice alerts, and user interaction projects.

28. DC Plastic Gear Motor with Wheel (12V, 150 RPM)
Description:
A low-speed, high-torque BO motor used for driving robotic wheels. It has a plastic gear mechanism for efficient torque transmission.
Technical Features:
Voltage: 12V DC
Speed: 150 RPM
Shaft Type: Side shaft
Torque: ~1 kg-cm
Applications:
Used in wheeled robots, automation mechanisms, and motion prototypes.

29. NodeMCU (ESP8266)
Description:
A Wi-Fi-enabled microcontroller development board based on the ESP8266 SoC, designed for IoT applications. It includes an onboard USB-to-serial interface and supports programming via Arduino IDE.
Technical Features:
Operating Voltage: 3.3V
Flash Memory: 4 MB
Communication: I²C, SPI, UART
Wi-Fi: IEEE 802.11 b/g/n
Applications:
Used for IoT projects involving wireless data transfer, cloud connectivity, and smart home devices.

30. WeMos D1 R2 (ESP8266)
Description:
A development board similar to Arduino Uno but based on the ESP8266 Wi-Fi module, allowing wireless connectivity with Arduino compatibility.
Technical Features:
Operating Voltage: 5V
Microcontroller: ESP8266EX
Communication: Wi-Fi, I²C, UART, SPI
Compatible with Arduino IDE
Applications:
Used in IoT gateways, wireless monitoring systems, and web-based automation.

31. Vibrating Motor (1.5–3V)
Description:
A small DC motor with an unbalanced weight attached to its shaft, producing vibration when powered.
Technical Features:
Operating Voltage: 1.5–3V
Weight: ~10 g
Vibration Frequency: ~150–250 Hz
Applications:
Used in wearable devices, feedback systems, and silent alert mechanisms.

32. Alligator Connectors
Description:
Flexible multi-colored wires with alligator clips at both ends for quick and temporary electrical connections.
Technical Features:
Cable Length: 12 inches or more
Current Capacity: 1–2A
Insulation: PVC-coated flexible wire
Applications:
Used for testing and circuit prototyping where soldering is not required.

33. Battery Clips with DC Jack
Description:
A connector assembly that allows 9V batteries to be interfaced with devices using a DC barrel plug.
Technical Features:
Connector: Standard 9V battery clip
Output: 5.5 × 2.1 mm DC male plug
Wire Length: ~15 cm
Applications:
Used to power Arduino boards and small portable circuits.

34. Hook-Up Wires
Description:
Insulated copper conductors used for internal circuit wiring and breadboard connections.
Technical Features:
Wire Type: Solid-core and stranded
Length: 100 meters (red and black sets)
Gauge: 22 AWG
Applications:
Used for circuit interconnections and prototyping.

35. Jumper Cables (Male–Male, Male–Female, Female–Female)
Description:
Prefabricated flexible wires with pin headers or sockets for quick circuit assembly.
Technical Features:
Male–Male: 1000 pieces
Male–Female: 600 pieces
Female–Female: 400 pieces
Pitch: 2.54 mm
Applications:
Used in breadboard and module interconnections.

36. LEDs (Light Emitting Diodes)
Description:
Semiconductor light sources available in multiple colors used as indicators or illumination devices.
Technical Features:
Size: 5 mm (T1-3/4)
Voltage Drop: 1.8–3.3V
Current Rating: 20 mA
Colors: Red, Green, Blue, Yellow, White, RGB
Applications:
Used for signal indication, displays, light-based sensors, and decorative circuits.

37. Timer IC – LM555
Description:
An industry-standard timer IC capable of operating in monostable, astable, or bistable modes for timing and pulse generation applications.
Technical Features:
Operating Voltage: 4.5–16V
Output Current: 200 mA max
Frequency: Up to 500 kHz
Temperature Range: 0°C to +70°C
Applications:
Used in pulse width modulation, oscillators, delay timers, and frequency generators.

38. ATmega16U2 Microcontroller
Description:
An 8-bit microcontroller used for USB communication and firmware development in advanced Arduino boards.
Technical Features:
Operating Voltage: 2.7–5.5V
Flash Memory: 16 KB
SRAM: 512 bytes
EEPROM: 512 bytes
Interfaces: USB, SPI, USART
Applications:
Used for custom USB device emulation, serial communication interfaces, and embedded system learning.

39. Diodes and Transistors Kit
Description:
An assorted kit containing multiple diodes and transistors used for switching, rectification, and amplification.
Technical Features:
Diodes: 1N4148, 1N4001/4004
Transistors: 2N3904 (NPN), BC547, 2N3906 (PNP), BC557
Power Rating: 1W
Current Rating: 1A
Applications:
Used for signal amplification, current regulation, and polarity protection in circuits.

40. Button Switch Set
Description:
A kit comprising various mechanical switches for user inputs and control mechanisms.
Technical Features:
Types: Push button, toggle, rotary, selector, and slide switches
Rating: 3–12V DC, 0.5A–1A
Applications:
Used in manual controls, power switching, and interactive projects.

41. Capacitive Touch Modules
a) MPR121 Touch Controller Module
Description:
A multi-channel capacitive touch controller that senses touch input across multiple electrodes via I²C communication.
Technical Features:
Channels: 12
Operating Voltage: 2.5–3.6V DC
Interface: I²C
Sensitivity: Adjustable threshold
Applications:
Used for creating multi-touch panels and touch-based control systems.
b) TTP223B Capacitive Touch Switch Module
Description:
A single-touch capacitive sensor that outputs a digital signal when a conductive object (like a human finger) touches the sensing pad.
Technical Features:
Voltage Range: 2–5V DC
Output: Digital (High/Low)
Response Time: < 60 ms
Applications:
Used for replacing mechanical buttons with modern touch-sensitive controls.

Package 1 (Part 2: Internet of Things & Sensors)

1. Infrared (IR) Sensor / Obstacle Avoider Module (LM393 Based)
Description:
An IR obstacle sensor module detects objects using infrared light reflection. It employs an IR transmitter (emitter) and an IR receiver (photodiode), with an LM393 comparator to process the signal.
Working Principle:
When an object reflects the emitted infrared light, the sensor detects the change in voltage and triggers a digital output.
Technical Features:
Operating Voltage: 3.3V–5V
Detection Distance: 2–30 cm
Detection Angle: 30–40°
Comparator: LM393 dual comparator
Output: Digital (High/Low)
Applications:
Used in line-following robots, obstacle avoidance systems, and automatic door mechanisms.

2. Triple Axis Magnetometer
Description:
A 3-axis magneto-resistive sensor module used to measure the magnetic field strength along three orthogonal axes (X, Y, Z).
Working Principle:
It detects the Earth’s magnetic field to determine orientation, heading, or compass direction.
Technical Features:
Measurement Range: ±8 Gauss
Output: I²C digital interface
Resolution: 12-bit ADC
Output Data Rate: Up to 160 Hz
Applications:
Used in digital compasses, navigation systems, and orientation tracking in drones or robots.

3. Humidity Sensor
Description:
A sensor designed to measure the relative humidity (RH) in the environment. It uses a capacitive sensing element to detect moisture levels in the air.
Technical Features:
Operating Range: 20–95% RH
Temperature Range: 0–60°C
Power Supply: 1.5V AC (Max sine)
Frequency: 500 Hz – 2 kHz
Applications:
Used in weather monitoring systems, smart greenhouses, and climate control units.

4. MQ Series Gas Sensors
Description:
A family of chemical gas sensors used to detect specific gases in the atmosphere. Each sensor contains a SnO₂ (tin dioxide) sensing element whose conductivity varies depending on gas concentration.
Modules Included:
MQ-2: Smoke and flammable gas detection
MQ-3: Alcohol and ethanol detection
MQ-4: Methane and natural gas detection
MQ-5: LPG and natural gas detection
MQ-6: Butane and LPG detection
MQ-7: Carbon monoxide detection
MQ-8: Hydrogen gas detection
MQ-135: Air quality monitoring (CO₂, NH₃, etc.)
Technical Features:
Operating Voltage: 5V
Heating Coil Voltage: 5V
Output: Analog (variable resistance)
Sensitivity Range: ppm level
Applications:
Used for air pollution monitoring, industrial safety, breath analyzers, and home gas leak detectors.

5. IR Transmitter and TSOP1738 Receiver
Description:
A pair of infrared modules used for wireless communication. The IR LED transmits modulated infrared signals at 38 kHz, and the TSOP1738 sensor demodulates these signals.
Technical Features:
Transmitter Frequency: 38 kHz
Operating Voltage: 5V
Detection Range: Up to 10 meters
Applications:
Used in remote control systems, IR communication, and motion detection projects.

6. Ultrasonic Sensor Module (HC-SR04 or Compatible)
Description:
An ultrasonic distance measurement module that determines distance by measuring the time delay between emitted and reflected ultrasonic waves.
Working Principle:
The module transmits an ultrasonic pulse and measures the time it takes for the echo to return; this delay is converted to distance.
Technical Features:
Operating Voltage: 5V DC
Working Frequency: 40 kHz
Current Consumption: 15 mA
Range: 2 cm – 4 m
Measuring Angle: 30°
Resolution: 0.3 cm
Applications:
Used in obstacle detection, smart parking systems, and distance-measuring robots.

7. Triple Axis Accelerometer
Description:
A 3-axis MEMS accelerometer that measures acceleration along X, Y, and Z axes, allowing motion detection and tilt measurement.
Technical Features:
Supply Voltage: 1.8V–3.6V
Power Consumption: 350 μA
Package Size: 4 × 4 × 1.45 mm
Output: Analog or I²C digital
Applications:
Used in motion sensing, gesture control, vibration analysis, and robotics stabilization systems.

8. PIR Motion Detector Module
Description:
A Passive Infrared (PIR) sensor detects motion by sensing changes in infrared radiation emitted by moving objects (like humans or animals).
Working Principle:
The sensor uses a pyroelectric sensor and Fresnel lens to detect changes in IR energy levels.
Technical Features:
Operating Voltage: 5V–12V
Detection Range: Up to 6 meters
Output: Digital (High/Low)
Delay Time: Adjustable
Applications:
Used in security alarms, automatic lighting systems, and occupancy detection.

9. Pulse Rate (Heart Rate) Sensor
Description:
An optical pulse sensor that detects heart rate by measuring changes in blood flow using a photodiode and infrared LED.
Technical Features:
Operating Voltage: 3–5V DC
Output: Analog waveform corresponding to heartbeat
Interface: Finger or earlobe attachment
Applications:
Used in biomedical monitoring, fitness trackers, and health-based IoT systems.

10. Relay Modules (1-Channel and 2-Channel, 5V 10A)
Description:
Electromechanical relays that act as electrically operated switches controlled by low-voltage logic signals.
Technical Features:
Coil Voltage: 5V DC
Contact Rating: 10A at 250V AC / 30V DC
Channels: 1-channel and 2-channel versions
Compatibility: Arduino and other microcontrollers
Applications:
Used in automation projects, home appliances control, and high-voltage switching.

11. Sound Detection (Microphone) Module
Description:
A sound sensor using an electret microphone to detect sound intensity or clap events.
Technical Features:
Operating Voltage: 3.3–5V
Output: Analog (intensity) / Digital (trigger)
Sensitivity: Adjustable via onboard potentiometer
Applications:
Used in voice-activated systems, sound-level meters, and interactive installations.

12. Soil Moisture Sensor Module (FC-28)
Description:
A soil moisture detector module that measures the volumetric water content in soil.
Working Principle:
The sensor probes act as variable resistors — resistance decreases as soil moisture increases.
Technical Features:
Operating Voltage: 3.3–5V DC
Comparator IC: LM293
Output: Analog and Digital
Applications:
Used in automated irrigation systems and agricultural monitoring projects.

13. Capacitive Touch Sensor (TTP22X Series)
Description:
A single-point capacitive touch sensor that detects finger touch based on changes in surface capacitance.
Technical Features:
Voltage Range: 2.4V–5.5V DC
Output: Digital (Active High/Low)
Touch Response: < 60 ms
Applications:
Used in touch-based switches, control panels, and interactive systems.

14. Metal Touch Sensor Module (KY-036)
Description:
A metallic touch sensor that detects human contact using body capacitance variation.
Technical Features:
Operating Voltage: 3.3V–5V
Output: Analog and Digital
Sensitivity: Adjustable
Applications:
Used in touch-activated lamps, security systems, and proximity detectors.

15. Rain Drop Sensor Module
Description:
A module designed to detect rainfall through a conductive grid that senses moisture levels.
Technical Features:
Voltage Range: 3.3V–5.5V
Detection Area: 5 × 4 cm
Output: Digital and Analog
Applications:
Used in weather stations, automatic window systems, and smart irrigation.

16. Flex Sensor
Description:
A variable resistance sensor that changes resistance depending on the amount of bend applied.
Technical Features:
Length: 2.2 inches
Resistance Range: 10kΩ (flat) to 50kΩ (bent)
Voltage Range: 0–5V
Applications:
Used in gesture-controlled devices, robotics gloves, and motion tracking.

17. Temperature Sensor (LM35)
Description:
A precision integrated-circuit temperature sensor that provides analog voltage proportional to temperature in °C.
Technical Features:
Operating Voltage: 4V–30V
Accuracy: ±0.5°C
Scale Factor: 10 mV/°C
Applications:
Used in environmental monitoring, thermostats, and data logging systems.

18. Temperature and Humidity Sensor Module (DHT11)
Description:
A combined sensor module that measures both ambient temperature and relative humidity.
Technical Features:
Operating Voltage: 3V–5V
Temperature Range: 0–50°C
Humidity Range: 20–90% RH
Interface: Digital single-wire protocol
Applications:
Used in weather stations, HVAC monitoring, and agricultural IoT setups.

19. Force Pressure Sensor (FSR)
Description:
A force-sensitive resistor (FSR) that changes resistance based on applied pressure or force.
Technical Features:
Sensing Area: 1.75 × 1.5 inches
Force Range: 0–10 kg
Output: Analog voltage variation
Applications:
Used in pressure measurement, robotics grip sensors, and human–machine interfaces.

20. Colour Recognition Sensor (TCS3200)
Description:
A color-detecting sensor module that uses an array of photodiodes and color filters (RGB) to determine the color of an object.
Technical Features:
Operating Voltage: 3–5V
Interface: Digital (frequency output)
Measurement Range: RGB intensity values
Applications:
Used in color-sorting robots, line detection, and industrial automation.

21. Water Flow Sensor
Description:
A sensor used to measure the flow rate of liquids using a Hall effect sensor and turbine mechanism.
Technical Features:
Operating Voltage: 5V DC
Output: Digital pulse (frequency proportional to flow rate)
Flow Range: 1–30 L/min
Applications:
Used in water management, irrigation, and smart metering systems.

22. Sound Sensor Module
Description:
A module that detects ambient sound levels and converts them into analog voltage signals.
Technical Features:
Voltage Range: 3.3V–5V
Output: Analog and Digital
Sensitivity: Adjustable
Applications:
Used for sound-activated controls, audio analysis, and voice response systems.

23. IR Sensor Array Module for Line Following
Description:
An array of multiple IR sensors (typically 8) used to detect black and white lines on surfaces for line-following robots.
Technical Features:
Operating Voltage: 5V
Output: Digital (individual sensors)
Sensor Count: 8 IR pairs
Applications:
Used in autonomous robots for path tracking and navigation.

24. Power Bank (10,000 mAh)
Description:
A portable rechargeable power supply unit for powering microcontrollers and IoT devices.
Technical Features:
Capacity: 10,000 mAh
Output: 5V, 2A (USB)
Input: Micro USB or USB-C
Applications:
Used as mobile power for Raspberry Pi, Arduino, or NodeMCU projects.

25. RFID Reader and Tags
Description:
A Radio Frequency Identification (RFID) module used for wireless identification and access control applications.
Technical Features:
Operating Voltage: 3.3V
Frequency: 13.56 MHz
Read Range: 20 cm–1 m
Current: 13–26 mA (active), <80 µA (sleep)
Applications:
Used in attendance systems, smart cards, and contactless authentication systems.

26. RF Transmitter and Receiver (315 MHz/433 MHz ASK)
Description:
A wireless data transmission module set based on Amplitude Shift Keying (ASK) modulation.
Technical Features:
Frequency Range: 315 MHz or 433.92 MHz
Supply Voltage: 3–6V
Output Power: 4–16 dBm
Range: Up to 100 meters
Applications:
Used in remote control systems, wireless sensors, and data telemetry.

Package 1 (Part 3: Robotics Components)

1. Stepper Motor with Driver Board (28BYJ-48 with ULN2003 Driver)
Description:
A unipolar stepper motor that rotates in precise angular steps, controlled through a ULN2003 transistor array driver board. The driver board translates digital control signals from a microcontroller (like Arduino) into current pulses for each coil phase.
Working Principle:
The stepper motor operates based on electromagnetic induction. Each pulse energizes a coil in sequence, producing incremental rotation. This allows accurate control over position and speed.
Technical Features:
Motor Model: 28BYJ-48
Operating Voltage: 5V DC
Step Angle: 5.625°/64 (per internal gear ratio)
Driver: ULN2003 transistor array board
Control Interface: 4-step or 8-step sequence (via IN1–IN4 pins)
Applications:
Used in robotic arms, CNC machines, 3D printers, and camera positioning systems requiring precise motion control.

2. DC Motor (12V, 150 RPM Gear Motor)
Description:
A brushed DC gear motor that combines a DC motor and a gear reduction mechanism to deliver low-speed, high-torque output suitable for mobile robotics.
Technical Features:
Operating Voltage: 12V DC
Speed: 150 RPM (approx.)
Torque: ~1.5–2 kg-cm
Gear Ratio: 1:50 (typical)
Shaft Type: D-shaped output shaft
Applications:
Used in drive systems of mobile robots, conveyor mechanisms, and simple automation models.

3. Servo Motors (Standard and Continuous Rotation)
Description:
Servo motors are closed-loop actuators that use a feedback mechanism (usually a potentiometer) to precisely control angular position.
Continuous-rotation servos modify internal circuitry to allow 360° rotation, acting as variable-speed gear motors.
Technical Features:
Voltage Range: 4.8–6V DC
Control Signal: PWM (Pulse Width Modulation)
Standard Servo Angle: 0–180°
Continuous Servo: 360° rotation
Torque (Metal Gear): 3–10 kg·cm (depending on size)
Variants:
Small Servo (Metal Gear): For precision mechanisms
Small Servo (Plastic Gear): For lightweight applications
Continuous Rotation Servo: For wheeled robots
Applications:
Used in robotic joints, grippers, pan–tilt camera systems, and autonomous vehicles.

4. 150 RPM BO Motor
Description:
The BO (Battery Operated) motor is a compact, low-cost gear motor designed for lightweight robotic applications.
Technical Features:
Operating Voltage: 3–12V DC
Speed: 150 RPM (12V)
Torque: ~1 kg-cm
Weight: 30 g
Shaft Type: Dual or single side-shaft
Applications:
Used in educational robotic car kits, line-following robots, and prototypes requiring low power.

5. L298P Motor Driver Shield
Description:
A dual H-bridge motor driver shield designed for Arduino platforms. It allows independent control of two DC motors or one stepper motor using PWM signals.
Working Principle:
The L298P IC controls current flow through motor coils by toggling direction and speed based on logic-level signals, enabling bidirectional control.
Technical Features:
Supply Voltage: 7–12V
Output Current: 2A per channel
Logic Voltage: 5V
Integrated current sensing and thermal shutdown
Applications:
Used in mobile robots, conveyor belts, and automation systems for bidirectional motor control.

6. Servo Motor Tester (CCPM 3-Channel)
Description:
A compact testing device used to evaluate and calibrate servo motors without the need for a microcontroller. It simulates PWM signals for servo control.
Technical Features:
Input Voltage: 4.8–6V DC
Channels: 3 (for simultaneous testing)
Modes: Manual, Neutral, and Automatic Sweep
Output Signal: PWM (50 Hz, 1–2 ms pulse width)
Applications:
Used for servo calibration, drone control surface testing, and actuator diagnostics.

7. Robotics DIY Kit (Programmable Intelligent Brick)
Description:
A modular educational robotics kit containing motors, sensors, and a programmable controller (intelligent brick). It allows construction of various robotic configurations through modular assemblies.
Technical Features:
Components: Controller brick, DC motors, servos, wheels, gears, and sensors
Connectivity: USB/Bluetooth (for programming)
Compatibility: Arduino or proprietary platform
Programming Interface: Block-based or text-based
Applications:
Used for hands-on learning in robotics, logic programming, and STEM education.

8. Mechanical (Modular) Construction Kit
Description:
A metal or plastic mechanical construction set consisting of structural components (beams, plates, nuts, bolts, and joints) for fabricating mechanical frames and mechanisms.
Technical Features:
Material: Anodized aluminum or reinforced plastic
Components: Gears, pulleys, shafts, and brackets
Compatibility: Supports integration with electronic components
Applications:
Used for designing robot chassis, manipulators, or mechanical linkages for automation prototypes.

9. STEM Learning / Application Kits
These domain-specific STEM kits integrate engineering, electronics, and coding for hands-on project development in real-world applications.

a) Drone Kit (Educational Purpose)
Description:
A quadcopter-based kit for understanding aerodynamics, flight control, and sensor fusion. It includes brushless motors, ESCs, flight controller, and propellers.
Technical Features:
Frame: Lightweight carbon/plastic
Control System: Flight controller (e.g., KK2.1.5 or F4)
Sensors: Gyroscope and accelerometer
Power: Li-Po battery (3S/4S)
Applications:
Used for drone design, flight control experiments, and IoT-enabled aerial monitoring.

b) Aerospace Kit
Description:
An educational kit for exploring aerodynamics, propulsion, and flight principles. Includes model aircraft materials, control surfaces, and flight sensors.
Applications:
Used for STEM learning in aviation dynamics and physics of flight.

c) Automobile Kit
Description:
A modular vehicle construction kit for studying automotive mechanisms such as steering, suspension, and drive systems.
Applications:
Used to build robotic vehicles and understand mechanical motion and automation.

d) Bio-Medical Kit
Description:
A sensor and microcontroller-based kit for exploring bio-signals such as heart rate, temperature, and motion.
Applications:
Used in health monitoring, prosthetics, and biomedical signal acquisition experiments.

e) Agri-Tech Kit
Description:
An agriculture-focused STEM kit combining soil sensors, irrigation control systems, and IoT integration for smart farming.
Applications:
Used for irrigation automation, crop monitoring, and environmental sensing.

f) Water / Sanitation Kit
Description:
A hands-on learning kit for studying water quality and waste management systems using IoT and sensor technology.
Applications:
Used for projects on water conservation, purification, and smart sanitation.

g) Bio-Tech Kit
Description:
A project-based kit for exploring biological systems and their technological applications using sensors and data logging devices.
Applications:
Used in environmental monitoring, microorganism study, and bio-sensor development.

h) Other Potential STEM Application Kit
Description:
A flexible kit designed for cross-disciplinary STEM experimentation combining electronics, mechanics, and software.
Applications:
Used for project-based learning and prototype development in innovation labs.

🧠 Package 2 – Rapid Prototyping Tools

3D printer and prototyping tools from Atal Tinkering Lab Equipment List 2025 — 3D printers and modeling kits enabling creativity and design thinking in ATL labs.

Turn ideas into tangible models with this rapid prototyping kit. It includes 3D printing tools, modeling materials, and assembly components that help students quickly design and test prototypes. This package aligns perfectly with the Atal Tinkering Lab Equipment List 2025, fostering innovation and experimentation in STEM projects.

Package 2: Rapid Prototyping Tools

1. 3D Printer Kit and Tools
Description:
A Fused Deposition Modeling (FDM) 3D printer designed for additive manufacturing of prototype models. It builds objects layer-by-layer by melting thermoplastic filaments through a heated nozzle.
It is one of the core components of a Tinkering Lab, enabling rapid design validation and model creation for engineering and robotics projects.
Technical Features:
Printing Technology: FDM (Fused Deposition Modelling)
Build Volume: Minimum 160 × 160 × 160 mm (≈ 4 litres)
Nozzle Diameter: 0.3–0.4 mm
Layer Resolution: 100–300 microns
Filament Diameter: 1.75 mm
Compatible Materials: PLA, ABS, PETG, Ninjaflex (and PLA derivatives)
Bed Type: Heated build plate (up to 110°C)
User Interface: LCD display with print metrics and manual control
Connectivity: USB, SD card
Slicing Software: Free or open-source (e.g., Cura, PrusaSlicer)
Accessories: Spare nozzle, Allen keys, screws, tweezers, calibration tools
Working Principle:
The printer extrudes thermoplastic material layer by layer as per the sliced 3D model data, solidifying instantly to form the final 3D structure.
Applications:
Used for rapid prototyping, robotics chassis design, model manufacturing, and educational product development.

2. Dedicated UPS / Power Backup
Description:
A power backup system designed to ensure uninterrupted operation of sensitive equipment such as 3D printers and computers during power fluctuations or outages.
Technical Features:
Type: Line-interactive UPS with battery backup
Capacity: Minimum 2 hours of power backup for 3D printer load (~200–300W)
Input Voltage: 220–240V AC, 50 Hz
Output Voltage: 220V ±10%
Protection: Overload, short-circuit, low-battery, and surge protection
Battery Type: Sealed lead-acid or lithium-based rechargeable battery
Applications:
Used to provide continuous power supply for 3D printing, data saving, and stable operation of lab systems during voltage variations.

3. Filament for 3D Printer
Description:
Thermoplastic filament used as the raw material for FDM 3D printers. The filament is fed through the printer’s extruder, melted, and deposited to form the printed object.
Technical Features:
Filament Type: PLA (Polylactic Acid) preferred due to biodegradability and low warping
Weight: 1 kg spool each
Color Variety: Minimum 5 colors (e.g., red, blue, black, white, natural)
Diameter: 1.75 mm ± 0.05 mm
Print Temperature: 190–220°C (for PLA), 220–250°C (for ABS)
Bed Temperature: 0–80°C
Applications:
Used in 3D modeling, design prototypes, mechanical part fabrication, and aesthetic educational models.

4. Filament Storage Box
Description:
An airtight container designed to preserve 3D printer filaments from humidity and dust, which can affect print quality.
Technical Features:
Material: ABS/Polycarbonate
Features: Moisture-absorbing desiccant, temperature and humidity indicator
Capacity: 1–2 filament spools (1 kg each)
Sealing: Vacuum-sealed or silicone gasket closure
Applications:
Used for long-term filament storage to maintain consistent extrusion performance and prevent filament brittleness.

5. Set of Arts & Crafts Accessories
Description:
A comprehensive kit containing crafting and stationery materials used for initial concept modeling, low-fidelity prototypes, and early design sketches before digital or 3D fabrication.
These materials support design thinking and ideation activities within the ATL framework.
Kit Composition and Specifications:
Material
Specification / Quantity
Application
Cardboard sheets
5 sets
Structural modeling and enclosure design
Foam core boards
5 sheets
Mock-ups and design visualization
Thick colored string (spool)
20 m per color
Functional or decorative design
Rubber bands
100 pieces
Tension mechanisms and model joints
Popsicle sticks
100 pieces
Craft-based structures, model arms
Wood glue
500 ml × 2 bottles
Bonding of porous materials
Applications:
Used in prototyping stages for structure modeling, mechanical model testing, and presentation of design ideas before electronic integration.

6. Repair and Maintenance Tool Kit (included with 3D Printer)
Description:
A maintenance toolkit provided with the 3D printer for assembly, calibration, and periodic maintenance.
Typical Contents:
Hex keys (various sizes)
Screwdrivers
Tweezers
Spare springs, screws, nozzles
Cleaning brush and scraper
Applications:
Used for assembling 3D printers, maintaining print head precision, and ensuring consistent print quality during long-term operation.

7. Safety Enclosure / Antibacterial Cover (for 3D Printer)
Description:
An external protective enclosure for 3D printers designed to ensure safe operation, reduce odor, and protect prints from dust or temperature fluctuations.
Technical Features:
Material: Flame-retardant acrylic or ABS
Features: Anti-bacterial and anti-fungal coating
Ventilation: Built-in air filter or vent ports
Dimensions: Sufficient to cover printer volume with clearance (≈ 250 × 250 × 300 mm)
Applications:
Used for safety and hygiene during continuous 3D printing in school environments.

🔩 Package 3 – Mechanical, Electrical & Measurement Tools

Mechanical and measurement tools in Atal Tinkering Lab Equipment List 2025 — Hands-on fabrication using soldering stations, multimeters, and workshop tools.

Master the essentials of engineering with tools for mechanical, electrical, and measurement work. From calipers to multimeters, this package equips learners to measure, build, and troubleshoot effectively. All tools meet the standards of the Atal Tinkering Lab Equipment List 2025, ensuring comprehensive hands-on practice.

Package 3: Mechanical, Electrical & Measurement Tools

⚙️ Section A: Mechanical Tools

1. Hacksaw Frame (12-inch)
Description:
A durable metal frame designed to hold a fine-toothed blade under tension for cutting metal, plastic, and wood.
Technical Features:
Frame Size: 12 inches
Material: Alloy steel or aluminum
Blade Mount: Adjustable tension mechanism
Applications:
Used for cutting rods, sheets, or PVC pipes during model fabrication and mechanical prototyping.

2. Hacksaw Blades (12-inch)
Description:
Interchangeable steel blades with hardened teeth for use in a standard hacksaw frame.
Technical Features:
Length: 12 inches
Material: High-speed steel (HSS)
Teeth per inch (TPI): 18–32
Coating: Rust-resistant
Applications:
Used for precision cutting of metal rods, acrylic, or mechanical structures.

3. Mini Hacksaw Frame (6-inch)
Description:
A compact hand saw for cutting smaller components and confined areas where a full-size hacksaw cannot fit.
Technical Features:
Frame Size: 6 inches
Handle: Ergonomic grip
Material: Hardened alloy
Applications:
Used for trimming small pipes, bolts, or plastic parts.

4. Mini Hacksaw Blades (6-inch)
Description:
Spare blades for mini hacksaw tools.
Technical Features:
Length: 6 inches
Material: Carbon steel
TPI: 24–32
Applications:
Used for fine and detailed cutting operations in light materials.

5. Pliers Set (Various Types)
Description:
A set of mechanical hand tools designed for gripping, bending, cutting, and crimping wires or small parts.
Kit Includes:
External Straight Circlip Plier
Nose Circlip Plier
Long Nose Plier
Combination Mini Plier
Wire Stripping Plier
Bent Nose Plier
Needle Nose Plier
Technical Features:
Material: Drop-forged steel
Handle: Rubber-coated ergonomic grip
Size: 4.5–6 inches
Applications:
Used for mechanical assembly, component handling, and electronic wiring.

6. Tweezer Set (Non-Magnetic, 6 Pc)
Description:
A precision tweezer kit made of non-magnetic stainless steel for handling delicate components.
Technical Features:
Size: 6 inches
Material: Stainless steel (anti-static)
Quantity: 6 assorted tips
Applications:
Used in electronics assembly, soldering, and mechanical precision work.

7. Ball Pein Hammer (0.75 kg)
Description:
A hammer with a flat striking face and a rounded pein used for shaping metal and riveting work.
Technical Features:
Head Weight: 0.75 kg
Material: Drop-forged steel
Handle: Fiberglass or wooden grip
Applications:
Used for metalworking, shaping, and light fabrication.

8. Steel Shaft Claw Hammer (0.75 kg)
Description:
A general-purpose hammer with a curved claw for nail removal and assembly work.
Technical Features:
Head Weight: 0.75 kg
Material: Carbon steel head, steel shaft
Grip: Rubberized handle
Applications:
Used for fastening, construction, and general fabrication.

9. C-Clamp (3-inch Metal Clamp)
Description:
A metal clamp with a screw mechanism for holding components together during machining, drilling, or gluing.
Technical Features:
Throat Depth: 3 inches
Material: Cast iron or forged steel
Thread Type: Acme threaded screw
Applications:
Used for securing workpieces during cutting or drilling operations.

10. Allen Key Set (Hex Key Set)
Description:
A set of L-shaped hexagonal wrenches used for driving bolts and screws with hexagonal sockets.
Technical Features:
Number of Keys: 10-piece set
Type: Ring imperial hex key set
Size Range: 1.5 mm – 10 mm
Applications:
Used in assembling mechanical structures, robotics frames, and machinery.

11. Drill Machine Set
Description:
A portable electric drill with hammer and reversible rotation modes for boring holes into metal, plastic, or wood.
Technical Features:
Power Rating: 500W
Voltage: 220V AC
Chuck Capacity: 1–10 mm
Modes: Hammer, screw, clockwise/anticlockwise
Accessories: Masonry, wood, and metal drill bits
Applications:
Used for mechanical assembly, mounting components, and chassis fabrication.

12. Drilling Workstation
Description:
A fixed drill press or workstation stand compatible with a hand drill for vertical drilling precision.
Technical Features:
Adjustable height and base clamps
Material: Cast aluminum or steel
Compatibility: 10 mm chuck drills
Applications:
Used for precision hole drilling in vertical alignment.

13. Spanner Set (Combination Spanners)
Description:
A 12-piece combination spanner set for tightening or loosening nuts and bolts.
Technical Features:
Size Range: 4 mm – 30 mm
Material: Chrome-vanadium steel
Finish: Nickel-chrome plated
Applications:
Used in mechanical assemblies, motor mounting, and structural joints.

14. Vice (Table-Top)
Description:
A mechanical holding device used to secure a workpiece during cutting, drilling, or soldering operations.
Technical Features:
Jaw Width: 3–4 inches
Mounting: Bench clamp or bolt mount
Material: Cast iron with steel jaws
Applications:
Used in mechanical fabrication, woodworking, and soldering support.

15. Precision Screwdriver Set
Description:
A compact set of fine screwdrivers for miniature fasteners used in electronics or precision mechanics.
Technical Features:
Number of Pieces: 6
Types: Phillips (PH0, PH1), Flat (1.4 mm, 2 mm, 2.4 mm, 3 mm)
Handle: Non-slip with rotating cap
Applications:
Used in circuit board assembly, sensor mounting, and small mechanical work.

16. Adjustable Universal Wrench
Description:
A self-adjusting wrench designed to grip nuts and bolts of various sizes without changing tools.
Technical Features:
Material: Hardened steel
Size: Fits 9–32 mm
Mechanism: Spring-loaded jaws
Applications:
Used for general maintenance, quick fastening, and disassembly.

17. Wire Stripper Cutter Plier
Description:
A multifunctional tool used to strip insulation from electrical wires, cut conductors, and crimp terminals.
Technical Features:
Size: 26 × 6 × 20 cm
Spring-loaded handle for automatic return
Adjustable gauge settings
Applications:
Used in electrical wiring, cable preparation, and circuit assembly.

18. Multipurpose Screwdriver Set (40 Pc)
Description:
A modular screwdriver kit with interchangeable bits for different screw types and sizes.
Technical Features:
Number of Pieces: 40
Bit Types: Flat, Phillips, Torx, Allen, Tri-wing, etc.
Handle: Magnetic with extension rod
Applications:
Used for mechanical assembly, electronics, and maintenance tasks.

19. Cordless Rotary Multitool Set
Description:
A high-speed rotary power tool used for cutting, grinding, polishing, engraving, and drilling.
Technical Features:
Speed: Adjustable up to 30,000 RPM
Power Source: Li-ion rechargeable battery (8–10V, 0–2A)
Accessories: Cutting wheels, grinding stones, polishing pads, drill bits
Applications:
Used for detailed fabrication, 3D print finishing, and light machining.

20. Air Blower
Description:
An electrically powered air blower used for cleaning dust from electronic and mechanical assemblies.
Technical Features:
Power: 500W or higher
Speed: Variable
Airflow Rate: ≥2.5 m³/min
Applications:
Used for cleaning PCBs, 3D printers, and lab workstations.

21. Drill Bit Set (13 Pcs HSS)
Description:
A collection of High-Speed Steel (HSS) drill bits for drilling into various materials.
Technical Features:
Material: HSS
Sizes: 1.5–6.5 mm
Application: Wood, metal, aluminum, and plastic
Applications:
Used for precise hole creation in fabrication projects.

22. File Set and Mini File Set
Description:
Hand tools used for shaping and finishing metal or plastic by abrasion.
Technical Features:
Standard Set: 6 pieces, 6-inch length
Mini Set: 6 pieces, 3-inch length
Types: Flat, half-round, round, square, triangle, knife-edge
Applications:
Used in fine mechanical shaping, edge smoothing, and part fitting.

23. Flexible Cutting Mat (A3 Size)
Description:
A self-healing PVC mat with measurement grids for precision cutting and model making.
Technical Features:
Size: 18″ × 12″ (A3)
Thickness: 3 mm
Surface: Non-slip, grid-marked
Applications:
Used for safe cutting, craft modeling, and prototype fabrication.

24. Plastic Storage Drawer / Organiser
Description:
A multi-drawer storage cabinet used to organize small components like screws, resistors, and connectors.
Technical Features:
Number of Drawers: 60
Drawer Size: 2 × 2 × 5 inches
Material: ABS plastic frame
Applications:
Used for systematic component management in ATL labs.

25. Pegboard (Wall-Mounted Tool Rack)
Description:
A perforated wall panel used to store and organize hand tools using hooks and attachments.
Technical Features:
Size: 3 ft × 2 ft
Material: Powder-coated metal or durable plastic
Accessories: Hooks, bins, tool hangers
Applications:
Used for tool organization and efficient workspace layout.

Package 3 (Continued)
Section B: Electrical Tools and Accessories

1. Soldering Iron (30–40 Watt)
Description:
An electric soldering iron designed for joining electronic components using solder alloy. It melts solder to form durable conductive joints on circuit boards.
Technical Features:
Power Rating: 30–40 W
Voltage: 230V AC, 50 Hz
Tip Type: Nickel-plated conical/copper tip
Heating Time: < 2 minutes
Temperature: Up to 450°C
Applications:
Used for PCB assembly, wire joining, sensor connections, and small repair tasks.

2. Soldering Iron Stand with Sponge
Description:
A heat-resistant stand designed to safely hold a hot soldering iron during operation. It includes a cleaning sponge to maintain the tip.
Technical Features:
Material: Steel base with coiled spring holder
Features: Tip-cleaning sponge tray
Heat Resistance: ≥500°C
Applications:
Used for safe handling and tip maintenance during soldering activities.

3. Solder Wire Roll (60/40 Tin-Lead Alloy)
Description:
Electrical solder composed of 60% tin and 40% lead (Sn60/Pb40), designed for strong, conductive, and low-resistance joints.
Technical Features:
Diameter: 22 SWG (0.7 mm)
Melting Point: ~190°C
Weight: 100 g–250 g per roll
Flux Core: Rosin-based (self-fluxing)
Applications:
Used for soldering wires, connectors, and electronic circuits.

4. Desoldering Pump (Solder Sucker)
Description:
A hand-operated vacuum pump used to remove molten solder from circuit joints.
Technical Features:
Body: Aluminum alloy with PTFE nozzle
Operation: Spring-loaded plunger
Suction Power: ≥20 cmHg
Applications:
Used for rework, repair, and component desoldering on PCBs.

5. Desoldering Wick (Copper Braid)
Description:
A fine braided copper wire coated with flux, used to absorb molten solder during circuit rework.
Technical Features:
Width: 1.5–2.5 mm
Length: 1.5 m per roll
Flux Type: Rosin
Material: Oxygen-free copper
Applications:
Used for removing solder bridges and cleaning pads on printed circuit boards.

6. Digital Soldering Station
Description:
An advanced temperature-controlled soldering unit that maintains stable tip temperature using digital control.
Technical Features:
Power Rating: 60 W
Temperature Range: 200°C–480°C
Display: Digital LED temperature readout
Control: PID closed-loop regulation
Stand: Integrated with sponge and iron holder
Applications:
Used for precision soldering, sensitive components, and repetitive lab tasks.

7. Hot Glue Gun (40W)
Description:
An electric tool for applying molten adhesive sticks for rapid bonding of plastic, wood, or paper materials.
Technical Features:
Power: 40W
Glue Stick Diameter: 11 mm
Heating Time: 3–5 minutes
Temperature: ~180°C
Applications:
Used for quick assembly of models, insulation, and non-metallic prototype fabrication.

8. Hot Glue Sticks
Description:
Cylindrical thermoplastic adhesive sticks compatible with hot glue guns.
Technical Features:
Diameter: 11 mm
Length: 200 mm
Type: Transparent EVA resin
Quantity: 10 pieces per pack
Applications:
Used for bonding materials in prototyping and craft applications.

9. Electrical Wire Roll (Multi-Strand Copper)
Description:
Flexible electrical wire used for circuit connections and breadboard jumpers.
Technical Features:
Type: Multi-strand copper core
Gauge: 22 AWG
Insulation: PVC rated up to 300V
Colors: Red, Black, Blue, Yellow
Applications:
Used for power supply lines, signal transmission, and breadboard connections.

10. Heat Shrink Tubes
Description:
Thermoplastic insulation sleeves that shrink when heated, used for protecting wire joints and connectors.
Technical Features:
Material: Polyolefin
Shrink Ratio: 2:1
Diameter Range: 1 mm–10 mm
Operating Temperature: –55°C to +125°C
Applications:
Used for electrical insulation, wire bundling, and mechanical protection.

11. Breadboards (Full Size and Mini)
Description:
Re-usable solderless platforms used for building and testing electronic circuits.
Technical Features:
Full Size: 830 tie-points
Mini Size: 170 tie-points
Material: ABS with nickel-plated contacts
Power Rails: Dual (+/-) lines
Applications:
Used for prototyping and circuit experimentation without soldering.

12. Jumper Wire Sets (Male-Male, Male-Female, Female-Female)
Description:
Pre-crimped and insulated connector wires used to interconnect breadboard or sensor pins.
Technical Features:
Lengths: 10 cm / 20 cm / 30 cm
Connector Type: 2.54 mm headers
Wire Gauge: 24 AWG
Applications:
Used for connecting microcontrollers, sensors, and modules during circuit testing.

13. PCB Stand or Circuit Holder
Description:
A mechanical stand with adjustable arms and clips to hold circuit boards during soldering.
Technical Features:
Frame: Metal with rotating clips
Base: Weighted and anti-slip
Accessories: Magnifying glass (optional)
Applications:
Used for hands-free soldering, circuit inspection, and repair work.

14. Insulation Tape (Electrical Tape)
Description:
Vinyl adhesive tape used to insulate electrical wires and prevent short circuits.
Technical Features:
Width: 18 mm
Length: 10 m per roll
Temperature Resistance: Up to 80°C
Colors: Black, Red, Green, Yellow
Applications:
Used for electrical insulation, wire bundling, and labeling.

15. Extension Board (Multi-Socket)
Description:
An electrical power strip providing multiple outlets for connecting tools and equipment.
Technical Features:
Input Voltage: 230V AC
Outlets: Minimum 4
Cable Length: 2–3 meters
Protection: Surge and overload
Applications:
Used for connecting multiple devices during lab operations.

⚡ Section C: Measurement Tools

1. Digital Multimeter (Handheld)
Description:
A multifunctional electronic measuring instrument used to test voltage, current, resistance, and continuity.
Technical Features:
Display: 3½-digit LCD
Voltage Range: 0–1000V DC / 0–750V AC
Current Range: 0–10A DC
Resistance Range: 0–20 MΩ
Additional: Diode & continuity buzzer test
Applications:
Used for electrical diagnostics, sensor calibration, and circuit testing.

2. Clamp Meter (AC/DC)
Description:
A meter that measures current without breaking the circuit using electromagnetic induction through a clamp jaw.
Technical Features:
Display: 3½-digit LCD
AC/DC Current: Up to 400A
Voltage Range: 600V
Resistance: Up to 20 kΩ
Data Hold Function
Applications:
Used for non-invasive current measurement in power systems and load testing.

3. Temperature Measurement Probe / Thermocouple
Description:
A thermal sensor that measures temperature using voltage difference generated between dissimilar metals.
Technical Features:
Type: K-type thermocouple
Range: –50°C to +400°C
Output: Analog millivolt signal
Material: Stainless steel probe
Applications:
Used for temperature monitoring in electronic, mechanical, and 3D printing applications.

4. Digital Vernier Caliper
Description:
A precision instrument used to measure internal, external, and depth dimensions of mechanical components.
Technical Features:
Measurement Range: 0–150 mm
Accuracy: ±0.02 mm
Display: LCD (digital readout)
Battery: 1.5V button cell
Applications:
Used for measuring component dimensions, chassis parts, and 3D printed models.

5. Mini Steel Ruler
Description:
A compact measuring tool made of stainless steel for length and alignment measurement.
Technical Features:
Length: 150 mm
Graduation: mm/inch dual scale
Finish: Non-reflective etched markings
Applications:
Used for precise linear measurements in fabrication.

6. Measuring Tape
Description:
A retractable flexible steel or fiber tape used for general measurement tasks.
Technical Features:
Length: 3 meters
Width: 16 mm
Lock Mechanism: Push-button
Material: Steel with protective coating
Applications:
Used for layout, cutting, and model dimensioning.

7. Magnifying Glass with Stand
Description:
A tabletop magnifier used for detailed inspection of circuits and small parts.
Technical Features:
Lens Diameter: 100 mm
Magnification: 3×–5×
Stand: Adjustable metal frame
Illumination: Optional LED ring
Applications:
Used for inspecting solder joints, PCB traces, and micro-mechanical parts.

💻 Package 4 – Electronics Development & Microcontroller Systems

Arduino, NodeMCU, and Raspberry Pi boards from Atal Tinkering Lab Equipment List 2025 — Coding and innovation using microcontrollers and embedded systems in ATL labs.

Dive into microcontrollers, development boards, and programming interfaces. This package provides the hardware and software needed to build electronics and automation projects, fully aligned with the Atal Tinkering Lab Equipment List 2025 for classroom-ready STEM learning.

Package 4: Electronics Development & Microcontroller Systems

1. Arduino Uno (R3) Development Board
Description:
A microcontroller-based prototyping board built on the ATmega328P platform. It is the most widely used open-source controller for coding and electronics projects in ATL labs.
It enables rapid hardware prototyping, sensor interfacing, and automation.
Technical Features:
Microcontroller: ATmega328P (8-bit AVR)
Clock Speed: 16 MHz
Operating Voltage: 5V
I/O Pins: 14 Digital (6 PWM), 6 Analog
Flash Memory: 32 KB
Communication: USB, UART, SPI, I²C
Power: 7–12V DC (Vin) or USB 5V
USB Controller: ATmega16U2
Applications:
Used in embedded systems, robotics, sensor interfacing, IoT projects, and automation control.

2. Arduino Mega 2560
Description:
An extended version of Arduino Uno with higher memory and more I/O pins, ideal for complex and multi-sensor projects.
Technical Features:
Microcontroller: ATmega2560
Operating Voltage: 5V
Clock Speed: 16 MHz
Digital I/O Pins: 54 (15 PWM)
Analog Inputs: 16
Flash Memory: 256 KB
Interfaces: UART, I²C, SPI, USB
Applications:
Used for advanced robotics, data logging, and automation systems requiring multiple sensors or actuators.

3. NodeMCU (ESP8266 Wi-Fi Development Board)
Description:
An open-source IoT development platform based on the ESP8266 Wi-Fi SoC, integrating microcontroller and wireless connectivity.
Technical Features:
Processor: Tensilica L106 (32-bit)
Clock Speed: 80–160 MHz
Flash Memory: 4 MB
Operating Voltage: 3.3V
I/O Pins: 11 GPIOs, 1 ADC
Communication: UART, I²C, SPI, Wi-Fi (802.11 b/g/n)
Programming: Arduino IDE / Lua
Applications:
Used in IoT projects, smart home systems, sensor data monitoring, and remote control.

4. Raspberry Pi (Model 3B+ or 4)
Description:
A single-board computer (SBC) designed for high-level computing, programming, and multimedia applications. It supports a full Linux-based OS and integrates networking and GPIO interfaces.
Technical Features:
Processor: Quad-core ARM Cortex-A53 (1.4 GHz)
RAM: 1 GB (Model 3B+), 2–8 GB (Model 4)
Storage: microSD card slot
USB Ports: 4
Network: Ethernet, Wi-Fi, Bluetooth
GPIO: 40-pin header
Video Output: HDMI
Power: 5V, 3A (via USB-C/Micro USB)
Applications:
Used in AI, machine learning, IoT servers, media centers, and robotics control systems.

5. Raspberry Pi Camera Module
Description:
An 8-megapixel digital camera compatible with Raspberry Pi for capturing images and video for computer vision applications.
Technical Features:
Sensor: Sony IMX219 8MP
Resolution: 3280 × 2464 pixels
Interface: CSI ribbon cable
Lens: Fixed focus
Frame Rate: 30 fps (1080p)
Applications:
Used in surveillance, AI vision, image recognition, and robotics.

6. Arduino Sensor Kit (Base + Expansion Modules)
Description:
A complete kit of plug-and-play sensor and actuator modules compatible with Arduino.
Kit Components Include:
Light Sensor
Temperature Sensor (LM35/DHT11)
Ultrasonic Sensor
IR Sensor
Sound Sensor
Relay Module
Joystick Module
LED, Buzzer, and Button Modules
Technical Features:
Operating Voltage: 3.3V–5V
Interface: Analog/Digital pin headers
Mount: Grove-style or Dupont connectors
Applications:
Used for STEM education, automation, IoT projects, and data acquisition experiments.

7. Arduino Shields (Expansion Boards)
Description:
Plug-in modules that extend Arduino’s functionality without additional wiring.
Common Types:
Motor Driver Shield (L293D / L298P)
Wi-Fi / Bluetooth Shield
Relay Shield
Sensor Interface Shield
Proto Shield (for soldering circuits)
Applications:
Used for modular expansion, simplifying hardware integration for robotics and IoT projects.

8. Motor Driver Modules (L293D, L298N)
Description:
H-Bridge-based modules used to control the direction and speed of DC motors or stepper motors from low-power controllers.
Technical Features:
L293D: Dual-channel, 600 mA per channel
L298N: Dual-channel, up to 2A per channel
Supply Voltage: 5V–12V
Control: PWM input signals
Applications:
Used in robotics, automation systems, and motion control applications.

9. Bluetooth Module (HC-05 / HC-06)
Description:
A serial communication module enabling short-range wireless connectivity between microcontrollers and smartphones.
Technical Features:
Protocol: Bluetooth 2.0 + EDR
Frequency: 2.4 GHz ISM band
Range: 10 m (typical)
Interface: UART (3.3V logic)
Baud Rate: 9600 bps
Applications:
Used in wireless control of robots, IoT communication, and serial data transmission.

10. Wi-Fi Module (ESP8266-01)
Description:
A compact Wi-Fi transceiver module used for IoT connectivity in microcontroller-based systems.
Technical Features:
Processor: 32-bit RISC
Flash Memory: 512 KB–4 MB
Voltage: 3.3V
Protocols: TCP/IP, HTTP, MQTT
Interface: UART
Applications:
Used for remote sensor monitoring, IoT dashboards, and wireless data logging.

11. GPS Module (NEO-6M)
Description:
A global positioning receiver used for tracking and navigation applications.
Technical Features:
Receiver Type: u-blox NEO-6M GPS
Channels: 50
Accuracy: <2.5 m
Interface: UART
Voltage: 3.3V–5V
Applications:
Used in vehicle tracking, geo-tagging, and navigation-enabled robotics.

12. GSM Module (SIM800L / SIM900A)
Description:
A cellular communication module for sending SMS, making calls, and connecting microcontrollers to the mobile network.
Technical Features:
Frequency Bands: 850/900/1800/1900 MHz
Operating Voltage: 3.7V–4.2V
Interface: UART
SIM Support: Micro SIM slot
Antenna: External or PCB-mounted
Applications:
Used in remote alert systems, IoT connectivity, and GSM-based automation.

13. RFID Module (RC522 with Tags)
Description:
A 13.56 MHz RFID reader and writer with tag cards and key fobs for contactless identification.
Technical Features:
Operating Frequency: 13.56 MHz
Communication: SPI / I²C / UART
Read Range: 5–10 cm
Tags: Mifare 1K / ISO14443A
Applications:
Used for attendance systems, access control, and smart authentication.

14. Relay Modules (1, 2, 4 Channel)
Description:
Electromechanical relays that allow low-voltage microcontrollers to control high-voltage devices.
Technical Features:
Coil Voltage: 5V DC
Contact Rating: 10A @ 250V AC / 30V DC
Trigger Type: Active LOW/HIGH
Channels: 1, 2, or 4
Applications:
Used for automation, home appliance control, and power switching.

15. Prototyping Boards (PCB & Perfboards)
Description:
General-purpose copper-clad boards used for soldered circuit prototyping.
Technical Features:
Type: Perforated / Stripboard
Hole Pitch: 2.54 mm
Material: FR-4 / Phenolic resin
Size: 7 × 9 cm, 10 × 15 cm
Applications:
Used for permanent wiring after breadboard testing.

16. Power Supply Adapter
Description:
A regulated DC adapter for powering development boards and sensors.
Technical Features:
Input: 230V AC
Output: 5V / 9V / 12V DC
Current: 1A–2A
Connector: 2.1 mm barrel jack
Applications:
Used as power input for Arduino, sensors, and small robotic systems.

17. Power Distribution Board (PDB)
Description:
A circuit board that distributes power from a single source to multiple modules safely.
Technical Features:
Input Voltage: 5–12V
Output Channels: 4–8
Fuse Protection: Built-in
Terminal: Screw or JST connector
Applications:
Used in robotics, drones, and IoT hubs for structured power management.

18. USB to Serial Converter (FTDI / CH340)
Description:
A communication interface that allows a computer to program and communicate with serial-based microcontrollers.
Technical Features:
Input: USB 2.0
Output: TTL Serial (3.3V / 5V)
Chipset: FT232RL / CH340G
Baud Rate: Up to 115200 bps
Applications:
Used for firmware uploading, debugging, and serial communication.

19. Jumper Cable Bundle
Description:
A multi-color cable pack for modular wiring between controllers, sensors, and power sources.
Technical Features:
Wire Type: Flexible stranded copper
Length: 20–30 cm
Connector: Male/Male, Male/Female, Female/Female
Applications:
Used for circuit prototyping and modular testing setups.

20. Micro SD Card and Reader
Description:
A data storage and retrieval system used with Raspberry Pi or Arduino-based data loggers.
Technical Features:
Capacity: 16 GB (Class 10 minimum)
File System: FAT32
Interface: USB 2.0 or MicroSD slot
Applications:
Used for data logging, project storage, and OS installation for Raspberry Pi.

🔋 Package 5 – Electrical & Electronic Components

Electronic components and ICs from Atal Tinkering Lab Equipment List 2025 — Core electronic components for circuit prototyping and innovation.

This kit includes resistors, capacitors, LEDs, and other essential electronic components for building circuits and devices. Curated to match the Atal Tinkering Lab Equipment List 2025, it provides students with the materials needed for experimentation and hands-on electronics learning.

Package 5: Electrical & Electronic Components (Passive & Active Devices)

⚙️ Section A: Passive Components

1. Resistor Set (Fixed Resistors – ¼ Watt)
Description:
Resistors are fundamental components that limit or control current in electronic circuits. The ATL kit includes a complete assortment of fixed-value carbon film resistors.
Technical Features:
Power Rating: ¼ W (0.25 W)
Tolerance: ±5% (Color coded)
Resistance Range: 10 Ω to 1 MΩ
Type: Carbon film or metal film
Applications:
Used for voltage division, current limiting, biasing, and circuit stabilization in almost every electronic project.

2. Variable Resistors / Potentiometers
Description:
Three-terminal adjustable resistors that vary resistance manually using a rotating or sliding contact.
Technical Features:
Resistance Range: 1 kΩ to 100 kΩ
Type: Rotary and slide potentiometers
Power Rating: 0.5 W
Shaft Type: Knob-based or trimmer
Applications:
Used for adjusting signal levels, volume control, and sensor calibration.

3. Capacitor Assorted Set
Description:
Capacitors store electrical energy in an electric field and release it when required. The set includes both electrolytic and ceramic disc capacitors.
Technical Features:
Types: Ceramic (1 pF–0.1 µF), Electrolytic (1 µF–1000 µF)
Voltage Ratings: 16V–50V DC
Tolerance: ±10–20%
Polarity: Electrolytic (polarized), Ceramic (non-polarized)
Applications:
Used for timing circuits, filters, decoupling, and energy storage.

4. Inductors / Coils
Description:
Passive magnetic components that store energy in a magnetic field when current flows through them.
Technical Features:
Inductance Range: 10 µH to 1 mH
Type: Axial-leaded or radial coil
Core: Ferrite or air core
Applications:
Used in oscillators, filters, and power regulation circuits.

5. Breadboard-Compatible Power Supply Module
Description:
Compact plug-in power module that provides regulated 3.3V and 5V outputs to breadboards.
Technical Features:
Input Voltage: 6.5–12V DC (via barrel jack or USB)
Output: 3.3V / 5V DC
Current Output: Up to 700 mA
Regulator: AMS1117-3.3 / 7805 IC
Applications:
Used for powering circuits during testing and experimentation.

⚡ Section B: Active Components and Semiconductors

6. Diode Set (Rectifier and Signal Diodes)
Description:
Semiconductor devices that allow current to flow in one direction only.
Technical Features:
Rectifier Diodes: 1N4007 (1000V, 1A)
Signal Diodes: 1N4148 (100V, 300 mA)
Package: DO-41 / DO-35
Applications:
Used for rectification, polarity protection, and signal demodulation.

7. Light Emitting Diodes (LEDs)
Description:
Semiconductor devices that emit light when current flows through them.
Technical Features:
Forward Voltage: 2V–3.3V
Current: 10–20 mA
Colors: Red, Green, Yellow, Blue, White
Package: 5 mm and 3 mm round lens
Applications:
Used for indicators, display panels, and visual feedback in circuits.

8. Seven-Segment Display (Common Anode/Cathode)
Description:
Numeric display modules consisting of seven individual LEDs arranged in a figure-eight pattern.
Technical Features:
Digit Type: 1-digit 7-segment
Color: Red
Operating Voltage: 5V DC
Interface: Common anode and common cathode
Applications:
Used for displaying numeric data in counters, clocks, and digital meters.

9. Transistors (NPN / PNP)
Description:
Semiconductor devices used for amplification, switching, and signal control.
Technical Features:
NPN: BC547, 2N2222
PNP: BC557
Voltage Rating: 45V
Current: 100 mA–500 mA
Gain (hFE): 100–300
Applications:
Used in signal amplification, relay driving, and digital switching.

10. MOSFETs (Power Transistors)
Description:
Metal Oxide Semiconductor Field Effect Transistors used for high-speed switching and power control.
Technical Features:
Models: IRF540N (N-channel), IRF9540N (P-channel)
Drain-Source Voltage: 100V
Current: 10A (typical)
Type: Logic level
Applications:
Used in motor drivers, PWM circuits, and power converters.

11. Voltage Regulators (Fixed and Adjustable)
Description:
Integrated circuits used to maintain constant output voltage regardless of input variation.
Technical Features:
Fixed: 7805 (5V), 7812 (12V)
Adjustable: LM317 (1.25V–37V)
Output Current: 1A
Line Regulation: ±0.01%
Applications:
Used for regulated power supply and microcontroller systems.

12. Integrated Circuits (ICs) – Assorted Pack
Description:
A collection of standard ICs for logic, amplification, and timing applications.
Typical ICs Include:
NE555 – Timer IC
LM358 – Dual Op-Amp
7400 Series – Logic gates
ULN2003 – Motor driver
CD4017 – Decade counter
LM324 – Quad Op-Amp
Applications:
Used in signal generation, control logic, and automation circuits.

13. Crystal Oscillators
Description:
Quartz-based frequency control components providing precise clock signals for digital circuits.
Technical Features:
Frequency: 4 MHz / 8 MHz / 16 MHz
Load Capacitance: 18 pF
Tolerance: ±30 ppm
Applications:
Used in microcontroller timing, oscillators, and communication systems.

14. Push Buttons and Switches
Description:
Mechanical control devices used to initiate or interrupt circuits manually.
Types Included:
Tactile Switch (Momentary)
Slide Switch
Toggle Switch (SPDT)
Micro Limit Switch
Technical Features:
Voltage Rating: 12V–250V
Current: 1A–5A
Applications:
Used in user input, power control, and circuit triggering.

15. Buzzers (Active and Passive)
Description:
Audio signaling devices that convert electrical energy into sound.
Technical Features:
Active Buzzer: Generates tone with DC input
Passive Buzzer: Requires signal input (PWM)
Voltage: 3–12V DC
Sound Level: ~85 dB at 10 cm
Applications:
Used for alarms, feedback alerts, and notifications.

16. Relays (Electromechanical)
Description:
Switching devices that allow low-voltage control of high-power circuits.
Technical Features:
Coil Voltage: 5V or 12V DC
Contact Rating: 10A @ 250V AC
Contact Type: SPDT or DPDT
Isolation: Optical or mechanical
Applications:
Used in automation, robotics, and load control.

17. Photodiodes and LDRs
Description:
Light-sensitive semiconductor devices that change resistance or produce current based on light intensity.
Technical Features:
LDR Resistance: 1 kΩ (light) – 1 MΩ (dark)
Photodiode Type: PIN silicon type
Response Time: <10 µs
Applications:
Used in light sensors, automatic street lights, and optical detection.

18. Thermistor (NTC/PTC)
Description:
Temperature-dependent resistors that vary resistance with temperature.
Technical Features:
Type: NTC (Negative Temperature Coefficient)
Range: –40°C to +125°C
Resistance: 10 kΩ @ 25°C
Applications:
Used for temperature sensing, circuit protection, and compensation.

19. Small DC Fans (5V/12V)
Description:
Compact brushless fans for cooling circuits and power components.
Technical Features:
Operating Voltage: 5V / 12V DC
Current: 0.1A–0.25A
Size: 40 × 40 mm / 60 × 60 mm
Applications:
Used in enclosures, power supply cooling, and system ventilation.

20. Heat Sink Set
Description:
Aluminum heat dissipation components used to cool high-power semiconductors.
Technical Features:
Material: Anodized aluminum
Thermal Resistance: ≤10°C/W
Size: 20 mm–40 mm base width
Applications:
Used in voltage regulators, MOSFETs, and motor drivers to prevent overheating.

🧰 Package 6 – Safety, Storage & Accessories

Safety and storage equipment in Atal Tinkering Lab Equipment List 2025 — Ensure safe, organized, and efficient ATL operation with protective tools and storage systems.

Ensure organized and safe learning with this package of safety gear, storage boxes, and essential accessories. Designed in accordance with the Atal Tinkering Lab Equipment List 2025, it supports a secure and efficient tinkering environment for students working on STEM projects.

Package 6: Electrical Safety, Storage & Accessories

⚡ Section A: Electrical Safety Equipment

1. ESD (Electrostatic Discharge) Safe Mat with Grounding Cord
Description:
An anti-static working mat designed to dissipate static charges safely to ground, preventing damage to sensitive electronic components.
Technical Features:
Material: 2-layer rubber (conductive + dissipative)
Surface Resistance: 10⁶–10⁹ Ω
Size: 600 mm × 900 mm (approx.)
Includes: Grounding cord with 1 MΩ resistor
Applications:
Used as a base work surface for soldering, PCB assembly, and handling of ICs and microcontrollers.

2. ESD Wrist Strap with Cord
Description:
A conductive wristband that connects the user to ground potential, ensuring safe discharge of static electricity from the body.
Technical Features:
Resistance: 1 MΩ safety resistor
Cord Length: 1.5 m (coiled)
Connector: Alligator clip / banana plug
Material: Antistatic woven fabric
Applications:
Used during handling of microcontrollers, ICs, and semiconductors to prevent electrostatic damage.

3. Safety Goggles
Description:
Transparent, impact-resistant protective eyewear used during cutting, drilling, soldering, or 3D printing operations.
Technical Features:
Material: Polycarbonate lens
Standard: ANSI Z87.1 / ISI safety certified
Features: Anti-fog, side protection
Applications:
Used for personal protection during fabrication, soldering, and mechanical operations.

4. Electrical Safety Gloves (Insulated)
Description:
Rubber or nitrile-coated gloves designed to protect users from electric shock and physical hazards.
Technical Features:
Insulation: Up to 1,000V
Material: Rubber / Nitrile
Grip: Textured for better handling
Applications:
Used while working with live electrical connections or high-current devices.

5. First Aid Kit
Description:
A standard emergency medical kit to handle minor injuries or burns in the lab.
Contents Include:
Adhesive bandages, antiseptic lotion, burn cream, sterile gauze, scissors, tweezers, and pain relievers.
Applications:
Mandatory for all ATL labs to ensure immediate first response for safety incidents.

6. Fire Extinguisher (Dry Chemical Type)
Description:
A portable fire safety device suitable for electrical and electronic equipment fires.
Technical Features:
Type: Dry Chemical Powder (DCP) / CO₂
Capacity: 2–5 kg
Standard: ISI Certified (IS 15683)
Mounting: Wall bracket
Applications:
Used for extinguishing fires caused by short circuits, flammable materials, or electrical sparks.

7. Cable Management and Wire Organizer Set
Description:
A set of clips, sleeves, and cable ties used to organize wiring and prevent clutter on workbenches.
Technical Features:
Components: Spiral sleeves, Velcro ties, adhesive clips
Material: Nylon / PVC
Temperature Range: –20°C to +80°C
Applications:
Used for organizing cables around microcontroller boards, power supplies, and computers.

8. Circuit Breaker / MCB Box
Description:
A Miniature Circuit Breaker (MCB) box provides protection against overloads and short circuits in the lab power distribution system.
Technical Features:
Voltage Rating: 240V / 415V AC
Current Rating: 6A–32A
Type: Single/Double Pole
Enclosure: Fire-retardant ABS or metal
Applications:
Used for electrical safety and load protection in ATL lab circuits.

🧰 Section B: Storage & Maintenance Infrastructure

1. Component Storage Cabinet
Description:
A multi-drawer plastic or metal cabinet used to store small electronic parts systematically.
Technical Features:
Number of Drawers: 60 (approx.)
Drawer Size: 2 × 2 × 5 inches
Material: ABS / Polypropylene
Labeling: Individual slots with name tags
Applications:
Used for storing resistors, capacitors, connectors, and small tools.

2. Tool Chest / Utility Box
Description:
A portable multi-compartment box used to store and transport hand tools, screwdrivers, and pliers.
Technical Features:
Material: Reinforced plastic / metal
Compartments: 3–5 trays
Handle: Foldable with locking system
Applications:
Used for secure storage and organization of mechanical and electrical tools.

3. ESD-Safe Storage Bags
Description:
Antistatic ziplock bags used to store sensitive electronic modules and microcontroller boards.
Technical Features:
Surface Resistance: 10⁹–10¹¹ Ω
Material: Polyethylene with shielding film
Size: Multiple (A4, A5, A6)
Applications:
Used to protect ICs, sensors, and PCB assemblies from static discharge during storage.

4. Lab Tool Pegboard (Wall-Mounted Organizer)
Description:
A perforated wall panel used for displaying and hanging tools within easy reach.
Technical Features:
Size: 3 ft × 2 ft
Material: Powder-coated metal or heavy-duty polymer
Accessories: Hooks, bins, holders
Applications:
Used for organizing hammers, wrenches, and screwdrivers efficiently.

5. Plastic Storage Bins (Stackable)
Description:
Small bins used for organizing frequently used components and accessories.
Technical Features:
Material: Industrial-grade polypropylene
Stack Type: Modular interlocking
Capacity: 500 ml–1 L each
Applications:
Used for segregating items like sensors, ICs, and connectors.

6. Cleaning Kit (Electronic Maintenance Set)
Description:
A cleaning and maintenance kit designed for sensitive electronic components and optical surfaces.
Technical Features:
Includes: Isopropyl alcohol, microfiber cloth, soft brush, air blower
Purpose: Dust removal and static-free cleaning
Applications:
Used for maintaining PCBs, 3D printer parts, and sensors.

🔌 Section C: Supporting Peripherals & Lab Utilities

1. Laptop / Computer System (Dedicated for Coding & 3D Design)
Description:
A personal computing system configured for programming, electronics design, and 3D modeling tasks.
Recommended Specifications:
Processor: Intel i5 / Ryzen 5 or higher
RAM: 8 GB or higher
Storage: 256 GB SSD + 1 TB HDD
Display: 14″–15.6″ FHD
Ports: USB 3.0, HDMI, Ethernet
OS: Windows / Linux / Raspberry Pi OS
Applications:
Used for coding, simulation, circuit design, and running 3D printing software.

2. Projector or Interactive Display (Optional)
Description:
A digital display system for group learning, training sessions, and presentations.
Technical Features:
Brightness: ≥3000 Lumens
Resolution: 1080p or higher
Connectivity: HDMI, USB, VGA
Mount Type: Ceiling / Wall
Applications:
Used for visual demonstrations, coding sessions, and collaborative teaching.

3. Extension Boards and Surge Protectors
Description:
Multi-socket power strips with surge suppression to protect sensitive lab electronics.
Technical Features:
Outlets: Minimum 4 sockets
Surge Protection: 150–300 Joules
Cord Length: 2–3 m
Switch: Individual or master
Applications:
Used to connect multiple devices like soldering stations, 3D printers, and computers.

4. Power Supply Unit (Adjustable DC Supply)
Description:
A bench-top regulated DC power supply providing variable output for testing and circuit experiments.
Technical Features:
Output Voltage: 0–30V DC
Output Current: 0–3A
Regulation: ±0.01%
Display: Dual digital (Voltage & Current)
Applications:
Used for powering breadboard circuits, sensors, and microcontroller testing.

5. Digital Weighing Scale (Small Capacity)
Description:
An electronic weighing balance for measuring small component masses and materials.
Technical Features:
Capacity: 1 kg
Accuracy: ±0.1 g
Display: LCD (Digital)
Power: Battery/USB
Applications:
Used for weighing 3D printing filament, prototype parts, or small mechanical components.

6. Label Printer (Optional)
Description:
A compact electronic printer for printing identification labels for drawers, cables, and tools.
Technical Features:
Printing Method: Thermal transfer
Tape Width: 6–12 mm
Interface: USB / Bluetooth
Power: Rechargeable or AA cells
Applications:
Used for equipment labeling, wire tagging, and systematic component management.

🌐 Internal & External Resources

Internal Links:

External References:

❓ FAQ Section (Schema-Ready)

Q1. What is the Atal Tinkering Lab Equipment List 2025?
It’s the official set of tools, sensors, and kits approved by NITI Aayog to support innovation and STEM learning in schools.

Q2. How many packages are included in the ATL setup?
Six packages: IoT & Sensors, Rapid Prototyping, Mechanical Tools, Microcontrollers, Electronic Components, and Safety Accessories.

Q3. Which software is needed for ATL labs?
Arduino IDE, Cura (3D printing), and open-source simulation tools are typically used.

Q4. Who can use this guide?
Ideal for ATL coordinators, STEM educators, and lab in-charges to manage, train, and maintain ATL infrastructure.

Q5. What’s new in the 2025 equipment list?
Enhanced IoT kits, improved 3D printers, and updated microcontroller versions with Wi-Fi/AI compatibility.

🏁 Conclusion: The Future of Innovation Begins with the Atal Tinkering Lab Equipment List 2025

The Atal Tinkering Lab Equipment List 2025 is far more than a checklist of machines and modules — it’s a blueprint for future innovators.
Each package, from IoT and sensors to 3D printers and microcontrollers, empowers students to think creatively, design fearlessly, and innovate purposefully.

By equipping every school with this standardized ATL setup, India is nurturing a generation ready for STEM-driven growth, problem-solving, and real-world entrepreneurship.
For ATL coordinators, teachers, and education officials, this guide ensures your lab is not just compliant — it’s capable of inspiring hands-on learning and design thinking at every level.

As we move forward, the Atal Tinkering Lab Equipment List 2025 will continue to serve as the foundation for a smarter, more innovative India — where every student becomes a creator, not just a learner.

Atal Tinkering Lab Equipment List 2025: The Ultimate Technical Guide for ATL Packages 1–6