//比较器的工作模式：CM2－CM0＝011,交流信号经半波整流送至C1的负端RA1， //参考电压模块产生一个0.63V的电压输出到C1的正端RA2，C1的输出为引脚RA5。 -//Comparator mode: CM2-CM0 = 011, the half-wave rectified AC signal to the negative terminal of C1 RA1,// ​ ​ 0.63V voltage reference module gener

stm32平台实现信号机交流滤波保护,OLED实时显示时钟、电流、电压、故障编号等信息。-stm32 platform signal AC filter protection, OLED display real-time clock, current, voltage, error number and other information.