Rele en board con comunicación wifi usando el ESP8266
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LC Technology 12V 2 Channel Relay ESP8266 WiFi - Tasmota NEW – mediarath - Martin Damrath
MODULO WIFI RELAY 5V C/ESP8266
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MODULO RELAY SWITCH DIY ESP8266 WIFI 4 CANALES OPTOACOPLADOS ⋆ Starware
Design a wifi power strip using an Esp8266 relay module in which the ESP and relay use the same power source with the load : r/AskElectronics