This project uses two Arduino boards to control the speed of a DC fan using a potentiometer. Three LEDs indicate different speed ranges: red for slow, green for medium, and blue for fast. The serial ...
I made this project because I wanted a way to automatically control the speed of a DC fan according to the temperature read by a LM35 sensor. I had a few problems with the PWM part mainly because the ...
This project demonstrates how to control a fan (simulated with an LED) using an Arduino Uno and a temperature sensor. Below 25°C → Fan OFF 25°C to 30°C → Fan runs at 50% speed (PWM) Above 30°C → Fan ...
This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...
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