Arduino UNO Four-Way DC Motor Driver Expansion Board

Bring out all UNO pins, using pin headers as interfaces. Each group includes one pin and VCC, GND, and is sequentially compatible with servo pins (GVS). Also bring out three XH 2.54 ports (4P, GVSS),
and two 2.54-pitch 4P interfaces for IIC pins. You can solder pin headers, female headers, or other 2.54-pitch terminals as needed.
 
The motor drive module uses a black DRV8833 module (around 3 RMB), occupying 4 PWM pins and 4 digital pins. When using the motor, the corresponding control pins cannot be used for other purposes. When not using the motor, they can be connected to sensors or other devices.
The power supply can be the UNO's DC interface or soldered terminals. It is recommended that this power supply not exceed 10V, as the onboard voltage regulator chip on domestic UNO boards is of unstable quality, and the DRV8833 module has a withstand voltage of 10.8V. If controlling multiple motors, making a small car, controlling multiple servos, or using high-current servos such as the 995 or 996 servos, an external 5V power supply is required; you can also solder 5V power supply terminals for this purpose. The motor power supply is selected between 5V and VIN using a jumper cap.
Motor pins can be soldered with header pins, XH 2.54 terminals, 2.54 screw terminals, etc., as needed.