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Transplant ESP8266 to cheap generic $8 Tuya wall switch, flashed tasmota. Cheap solution : r/homeassistant
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SING F LTD 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 &
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