This ESP-01/01S Relay based on AI-Thinker ESP-01/01S WIFI module. It is designed for smart home, Internet of thing(IOT) and others DIY project. With this smart relay, you will easy to DIY your smart switch to control any device by your phone anywhere.
In the version, its use the GPIO0 of ESP-01 OR ESP-01S to control the Relay by Low level.
1 Hardware connection - refer below, connect your device with this module.
2 Connect a DC5V ~ 12V power to the pins GND and VCC.
3 Open your phone Wi-Fi Setting, connect the WIFI ESP8266-XXXX.
4 Download then open it.
3 Set IP Address: 192.168.1.1, then you can control your device now.