![]() ![]() The circuit is very simple, I have used D23, D22, D21, D19, D18, D5, D25 & D26 GPIO to control the 8-channel relay module.Īnd the GPIO D13, D12, D14, D27, D33, D32, D15 & D4 connected with manual switches to control the relay module manually. Finally, the ESP32 Smart Home System is ready.Tutorial video on ESP32 Alexa Home Automation.Control Relays with & without WiFi using ESP32. ![]() Required Components for the ESP32 projects. ![]()
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