WiFi relay controller (ESP8266, ESP32)

ESP-01S – Wi-fi Relay module for light remote control

Telegram: Control ESP32/ESP8266 Outputs with Arduino IDE

Wifi IoT ESP8266 Relay Board Schematic

107 ESP8266 WiFi Relay (with an Arduino)

Tech Note 149 - ESP32 4-Channel Relay / GPIO Controller with Web UI

ESP based board for IoT relay control with a opto output protection : r/ esp32

Single Channel PS3 Wireless Remote ON/OFF Switch

Billy the Relay - ESP32/ESP8266 remote control 101 - Home Automation - Arduino Forum

Blynking an IoT Yunshan ESP8266 250V 10A AC/DC WIFI Network Relay Module

NWI1118 version based on ESP8266, wifi chip., NWI1119 version based on ESP32-C3, chip's new feature please refer to the wiki page., This is the SPDT

Wifi IoT SPDT Relay Board V2