A digital potentiometer (or “digipot”) operates like a traditional mechanical potentiometer (pot), which is a variable resistor, except the digipot is an integrated chip (IC) that accepts signal input ...

The aim of this tutorial is to introduce ADC functionalities. ADC stands for analog to digital converter, it allows to capture the voltage value applied to a pin in a digital form. The example will be ...

// Register A (pin 9) is selected. WGM11, WGM13 and WGM12 bits set to ...

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 ...