h8 smart home switch automation module controller pcb remote control system timing switch ethernet wan/lan relay domotica hogar casa kit iot

products usage instructions wiring and installation 1. connecting network line or rs232 serial port 2. connecting the lamp and power with relays output com and no port. 3. when need to control one group or groups lights, connecting the line into the corresponding output poles. 4. connecting the 12v power adapter to charge. 5. when the detection sensors are available, connecting them into the input port.6.can set input control output. 7.support secondary development