RoboMaster A type development board is an open source master controller for robot DIY. It has a rich expansion interface and communication interface, a built-in IMU, can be used with M3508 direct current brushless reducer motor, UWB module and Miaosuan products produced by RoboMaster, and can also be used with DJI flight control SDK. The development board has multiple protections such as reverse connection and soft start. After RoboMaster competition, the development board not only meets the control needs of competitive robots, but also is very suitable for user DIY.