低频电子脉冲治疗仪MCU程序。单片机通过io口发出一定频率的脉冲，按照一定的的规律开启外部的脉冲变压器，对人体进行脉冲治疗-low-frequency electronic pulse therapy instrument MCU procedure. SCM io I issued through certain frequency pulse, according to a certain law of the external o