But what exactly are these PWM pins, and how do you use them? Read more: Major Motherboard Brands Ranked Worst To Best The Arduino ... achieved with the use of a square wave, which dictates ...

The Arduino ... (PWM). That means these pins can send varying output voltages to a component (e.g., 25%, 75%, 33%) instead of the usual 100% or 0. This variable output is achieved with the use of ...