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 DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

MCP41010 & Arduino Test. As you may have noticed, a digital potentiometer behaves the same as a mechanical potentiometer, except that instead of having a round handle that you can turn, it’s ...

About a year ago I paid about EUR 20 for a WDD35 potentiometer with a linearity of 0.5%. It looks quite beautiful on the inside, with ball bearings and conductive plastic track which is milled to ...

Arduino Uno + potentiometer + OLED == virtual circular dial. Call it synchronicity, or manually setting a 16-bit number in an Arduino, or how to turn an OLED into a rotary dial... What am I talking ...