how to trigger a relay with esp32 and the thingSpeak
I am new to the subject but I want to learn, I wanted to know how I use my esp32 to activate a relay (to connect devices and or lamps) from a distance with my cell phone. what do I have to use for this or what procedures should I follow, thank you
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ESP32 subscribes to a ThingSpeak channel.
App on your phone sends API command to the ThingSpeak channel.
have any tutorial or video showing how this is done? I am having trouble finding it, I speak Portuguese I am researching in English because there are more things, but it is more difficult for me, I even write this using the translator if there is something wrong, sorry
I don't have a specific one that I know about. This video on connecting the ESP32 to ThingSpeak might help: https://www.youtube.com/watch?v=F1fQ8m3S8-4
