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N20-MOTOR-CAR

Overview

This small car uses another open-source project of mine (T113 core board) as the main controller to collect camera data, and an STM32F103C8T6 as the control core to collect line-following sensor data and control the motors. The two parts communicate via serial port. This car can also be used for line following without the core board, and can also be used for remote control with an external wireless module. It is low-cost and multifunctional.
The power supply uses two 18650 batteries connected in series, with a PMOS as the main power switch. Power is turned on by pressing and holding the power button, reducing power consumption.
A reserved upper-level serial communication interface is provided, allowing for the replacement of upper-level boards for greater functionality. It has strong expandability.

Design Files

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Update:2026-03-26 17:16:13

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