Re: Sinking current with ESP8266 to control relay board
Posted: Mon Feb 29, 2016 11:55 pmDiagram with an ESP-01 and a 2N2222 about 1/4 the way down the page works great for me. http://iot-playground.com/blog/2-uncate ... rduino-ide
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Sinking current with ESP8266 to control relay board
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Posted: Mon Feb 29, 2016 11:55 pm