In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...
The tutorial will focus on getting you up and running quickly, so that you will understand the basic procedures for working with your ESP32 (specifically the Adafruit ESP32 Feather v2) and the Arduino ...
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