The Arduino Mega is a useful tool for the maker ... We’ve seen this before, with his excellent Star Fox port to the Arduboy. Video after the break.

The Arduino Mega's PWM pins are digital output pins located ... into four as seen in this basic example code or by using the map() function, as you can see in this Analog In, Out Serial sample ...

Code for mapping mouse ... to leverage existing Arduino libraries to connect with a standard USB mouse, specifically, the hardware would take the form of an Arduino Mega 2560 with a USB Host ...