The working principle of WIFI smart plug and socket

The working principle of WIFI smart plug and socket

The working principle of WIFI plug.

1. The wifi smart plug socket is composed of a serial port WIFI module, a relay control circuit, a relay and an output contact.

2. The serial port WiFi module of the WiFi smart plug and socket controls the on-off of the relay according to the received control command.

The wifi smart plug and socket module receives the closing command, the PC8 port outputs a high level. Q1 is turned on, the coil of the relay has current flowing, the contacts L_IN and L_OUT of the relay are closed, and the socket supplies power to the load;

The wifi smart plug and socket module receives the disconnection command, the PC8 port outputs a low level. Q1 is turned off, the coil of the relay has no current. Then the contacts L_IN and L_OUT of the relay are disconnected, and the socket is powered off.

The above is about The working of WIFI smart socket, I hope to help you.