1. Used to drive DDSM400 wheel hub motor, on-board 6-way DDSM400 motor interface. 2. Based on ESP32-WROOM-32 module, supports various wired and wireless communication methods, supports MJSON command interaction, convenient for host computer control. 3. Provide easy-to-use DDSM400 wheel motor control routines and SDK. 4. Integrated WEB application for controlling and setting DDSM400 hub motor, convenient for debugging. 5. Direct communication with hub motor via Type-C interface. For Raspberry Pi, integrated 5V buck regulator circuit, can be used to power the for Raspberry Pi, through the GPIO serial port for communication, reduce wiring complexity. Main control module: ESP32 Power supply interface:XT60,5.5x2.5mm DC Power supply voltage: 9V-28V Communication interface: UART, Type-C x 2 Wireless communication: 2.4G WIFI Positioning hole diameter: 3mm Positioning hole spacing: 58x49 (mm) PCB size: 85x57 (mm) Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:Black Material:PCB Package Contents: 1 * Motor Driver Board Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.