So, this cause the fan unable to move even if the temperature exceed the threshold temperature. Solution 1. Connect the GND of the battery to the GND of arduino – common GND. If you are using a 5V ...

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 ...

A temperature sensor monitors the room temperature from afar, and a solid-state relay ... 22 thoughts on “ Cozy Heat Control With An Arduino ” ...