The motherboard of the miniForce car has control feedback for dual-channel encoded motors, a Bluetooth module interface, two serial ports (one of which has been converted to USB), a sensor with MPU9250, which can measure battery voltage, and a buzzer for the display module. The 1.3-inch IPS OLED, the battery voltage is currently 12V, and the XL4006 5A current used for DC-DC step-down.
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