To read the position of potentiometers or other analog values with a digital device like a microcontroller you need some sort of analog-to-digital converter or ADC. Even though many microcontrollers ...

The circuit in this Design Idea provides a way to convey mixed analog and digital inputs into a microcontroller using one input pin. The output of the circuit connects to a micro-controller's ...

Arduino UNO - The Uno is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB ...