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Simple WiFi relay board (1): an overview of two popular modules on Chinese Websites – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
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1pcs ESP8266 WiFi Relay Module with ESP-01S Relay Adapter Module for Smart Home Appliance Connect Fan Illuminator Smart Switch Phone APP Remote Control Switch Wireless Transceiver: Amazon.com: Industrial & Scientific
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AC90-250V ESP8266 Wireless WIFI Relay Module 4 Channel ESP-12F Wi-Fi Development Board AC/DC 5V/7-28V/5-80V Power Supply for Arduino - Mikroelectron MikroElectron is an online electronics store in Amman
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