开源硬件-基于STM32的自动刹车灯设计，含C语言源程序，PCB图-Open source hardware- based on the STM32 automatic brake lamp design, including the C language source code, PCB diagram

抱闸控制器，用PWM方式控制电机抱闸，在有效开通抱闸情况下缓解抱闸发热(The brake controller, using PWM to control the motor brake, brake in effective opening off brake fever)