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 ...
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 ...
#define redPin 9 // Pin for the red RGB led pin #define greenPin 10 // Pin for the green RGB led pin #define bluePin 11 // Pin for the blue RGB led pin #define potPin_red A2 // declare pin for the ...
This is just a fun Arduino project that uses leds connected in circle as a ring to produce a rotation effect. You can adjust the spinning speed with a potentiometer and you can also set a minimum and ...
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