现阶段各种品牌JTAG大全。cisco，moto。-JTAG Daquan different brands at this stage

stm32简单步进电机,通过简单延时，使步进电机旋转任意角度，并且通过数码管显示，通过按键输入角度-stm32 simple stepper motor through a simple delay, the stepper motor rotation at any angle, and through the digital display, through the key input angle