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Esp8266 and 1 ch 5v relay

esp8266

#1

Hi, I’m using esp8266, I have a 1 channel wifi relay, but I can’t turn it on.

this relay


this esp

I add a button in the program, I select gpi 0, but the relay does not work


#2

we need your sketch :wink:


#3

Read this thread:

Pete.