ESP32 Relay Module – Control AC Appliances (Web Server)

By on February 4, 2020
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Using a relay with the ESP32 is a great way to control AC household appliances remotely. This tutorial explains how to control a relay module with the ESP32. We’ll take a look at how a relay module works, how to connect the relay to the ESP32 and build a web server to control a relay remotely (or as many relays as you want).


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About Emanuele Signoretta

Studying electronics and communication engineering at Politecnico di Torino. Electronics, IT and Open Source enthusiast.

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