But what exactly are these PWM pins, and how do you use them? Read more: Major Motherboard Brands Ranked Worst To Best The Arduino Mega's PWM pins are digital output pins located on D2 to D13 and ...

[Andy] didn’t want to use up 24 pins on his Arduino, so he used a latch to multiplex the lowest 8 address lines and the data lines together. With the 512KB RAM expansion installed, the Mega is ...