使用EP1C3芯片实现远程LED互通控制，本地报警按钮控制异地LED，按钮具有发起告警与取消告警双重功能，连接芯片采用光耦隔离，可适用于任何EM传输设备-Use EP1C3 chip LED interoperability remote control, local control remote alarm button LED, button and cancel the alarm has launched a dual alarm feature, connect chip opto i