This voltage can be read by an Arduino digital input and then the Arduino can act ... A simple way to think of the sensor is a switch; the diagram below explains the difference between the two ...

Here is a useful circuit for Arduino lovers and experimenters. It is a simple digital voltmeter, which can safely measure input dc voltages in 0 to 30V range. The Arduino board can be powered from a ...

The Arduino Mega's PWM pins are digital output pins located on D2 to ... If your board has no printed labels, check out its pinout diagram documentation (found on the board's Arduino Store page).