A place to put your YouTube video that is ESP8266 related.

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By markoskifilip
#33702
eduperez wrote:As you seem to need only two outputs, may I ask why didn't you connect the relays directly to the ESP?


The esp output is 3.3v, so I'll need a 2 transistors to activate the 5v relays. Yes this was possible, but I plan to upgrade the project in future and add 2 more devices in the other room. So the communication will be with RF 433mhz radio signals.
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And I need the Arduino for that.