DIY D2-3 Intelligent Tracing Car Kit (without battery)

The DIY D2-3 Intelligent Tracing Car Kit (Without Battery) is an excellent hands-on learning tool designed to introduce beginners, students, and hobbyists to the world of robotics, electronics, and sensor-based automation. This kit enables you to build your own intelligent line-following robot car that can automatically detect and follow a path using infrared (IR) sensors, without requiring any programming or complex coding.

The kit includes all the essential components such as a high-quality PCB chassis, geared BO motors, IR transmitter and receiver sensors, resistors, capacitors, transistors, ICs, switches, wheels, and other mechanical fittings. Everything is pre-configured to work together smoothly, so no external motor driver board or microcontroller programming is needed. The robot operates on a 3V DC power supply, which can be provided by two AA batteries (not included in the kit).

The DIY D2-3 Intelligent Tracing Car Kit is ideal for developing foundational knowledge in electronics and automation. The included instruction manual guides users step by step through the soldering and assembly process, making it easy to follow even for those with basic electronics knowledge. All you need is some soldering experience and common tools to bring this robot to life.

By working on this project, users learn how IR sensors detect surface differences, how electronic components work together to create logic-based movement, and how motors can be controlled without programming. It’s an engaging way to build confidence in practical electronics and problem-solving.

This kit is perfect for school science projects, STEM workshops, or DIY enthusiasts looking for a fun and rewarding experience. Compact, affordable, and easy to build, the DIY D2-3 Intelligent Tracing Car Kit is a great introduction to robotics that blends education with entertainment—no programming skills required.

Package Includes

• 1 x PCB Board

• 1 x STC15W201S IC

• 1 x LM339 IC

• 1 x 16-pin IC Socket

• 1 x 14-pin IC Socket

• 1 x Electrolytic Capacitor (47uF/50V)

• 3 x Ceramic Capacitor (104)

• 2 x Red LED (5mm)

• 4 x Infrared Emitting Diode (3mm)

• 4 x Infrared Receiving Diode (3mm)

• 2 x 8550 Transistor

• 2 x Toggle Switch (DIP)

• 2 x Geared BO Motor (MG1, MG2)

• 2 x Wheel

• 2 x Tire

• 2 x Wheel Screw (M2.2 × 7)

• 1 x Universal Wheel (M5)

• 1 x Universal Wheel Nut (M5)

• 1 x Universal Wheel Screw (M5 × 30)

• 1 x Battery Socket

• 1 x 4-pin Header

• 1 x 8-pin Header

• 4 x Lead Wire

• 4 x 5.1K Resistor

• 4 x 1K Resistor

• 5 x 10K Resistor

• 4 x 510Ω Resistor

• 4 x Adjustable 10K Resistor (Potentiometer)