Meanwhile, the Arduino Mega is getting the same USB chip along with an ATMega2560 processor with twice the memory. Right now only 128K is available, but that's a software limitation and they're ...

24 thoughts on “ Upgrading RAM In An Arduino Mega ” ... Figure 9-7 in the ATmega1280 datasheet gives the right idea but has the wrong address ranges; the surrounding text is correct.

PWM pins work the same way across all Arduino boards, so you don't need to go out of your way to buy a Mega if you already have a board supporting PWM. On the Uno, Nano, and Mini, the PWM pins are ...