[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 ...

The Arduino Mega 2560 R3 is positioned on a suspended platform, with the anodes controlled on the Digital Pins as opposed to the cathodes on remapped AnalogInputs.

There's the Arduino Giga R1 Wi-Fi featuring an impressive set of 76 pins and the Arduino Mega 2560 with a total of 70 pins.

You’ve also got the Mega models that live up their moniker with their massive IO pins and better processing capabilities. Since the Arduino series has an open-source hardware license ...