We set the potentiometer pin as 0 (A0 on the Arduino Uno board), the CONTROL variable is the voltage that is used to cotrol the led brightness of the speed of the fan. In the setup() function the ...

This is just a fun Arduino project that uses leds connected in circle as a ring to produce a rotation effect. ... You will need an Arduino board, a potentiometer ... (#21). Then store this value ...

If we asked you to light up an LED using an Arduino, ... (e.g. a remote control panel). Putting the LEDs around ... Have the knob mounted to Lexan and then a gear drive to connect the Potentiometer.