ESP01 Module Board with Relay

You can easily and freely programm this relay module with plugged-on provided ESP-01S module according to your needs and even remote-control it via your WiFi. It used the frequency from 2,4 – 2,4 GHz. This way, you can realise your SmartHome applications, because you can remote-control and switch on and off many devices or f. i. the lighting via the WiFi at home.