这个实验是STM32定时器中断实验。控制LED灯亮或者灭-This experiment STM32 timer interrupt experiments. Control the LED lights off or

这个实验是STM32外部中断实验。控制LED灯亮灭-This experiment STM32 external interrupt experiment. Control LED lights off

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)

单火线开关供电电源部份的工作原理详谈,单火线开关的供电一般是分成两部份来实现对控制电路的供电：关态供电和开态供 电，下面分别加以说明(The working principle of switch power supply for single FireWire is discussed in detail The power supply of the single wire switch is generally divided into two parts to realize the