1. The interface is , leading out I2C, UART and other communication interfaces and various sensor interfaces, which can access more expansion equipment.2. Plug and play, welded pin, convenient access to various modules3. interface of board (5V by default)4. Applicable to main control boardIntroduction:1. This product is expansion board plug-in, motor driven expansion board, multi-functional expansion board,2. board IO port, IC2 interface, UART serial port, ultrasonic module interface, motor encoder interface, and supply interface.Product name: motor drive moduleModel: interface: 5VApplicable product: for main control board compatible with Colour:blackMaterial:PCBPackage Contents:1 x motor drive moduleOnly 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.