lbmcu的博客

C51下测试继电器控制器 sbit RELAY_1 = P1^2;//继电器1 sbit RELAY_2 = P1^5;//继电器2 sbit RELAY_3 = P1^6;//继电器3 sbit RELAY_4 = P1^7;//继电器4 sbit EN = P1^1; //电源指示灯

读卡芯片采用低功耗的RC522