Android Arduino Control: ESP8266 WiFi Control Relay
http://androidcontrol.blogspot.com/2016/05/esp8266-wifi-control-relay.html
![](https://sp-ao.shortpixel.ai/client/to_webp,q_lossless,ret_img,w_530,h_278/https://everythingesp.com/wp-content/uploads/2019/03/esp8266_systemDiagram_png.png)
Android Arduino Control: ESP8266 WiFi Control Relay
http://androidcontrol.blogspot.com/2016/05/esp8266-wifi-control-relay.html