Design an expansion board that integrates motor drive. The first-generation board currently supports 4-channel dual encoder motor access, MPU6050 access, dual-channel ultrasonic module access, 0.96-inch Oled screen, and 4 user buttons, which is convenient To interact with the microcontroller, an optocoupler is used to greatly reduce circuit signal interference. Provide hardware foundation for users to manufacture one-wheel, two-wheel balancing cars, balancing cubes, etc. After the first generation is completed, the drive circuit will be redesigned, using high-power MOS tubes, and integrating brushed and brushless DC motor drives. The driver board, and the simple foc control circuit may be added later, relying on the powerful chip of STM32H750 to create a motor driver board.
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