[Andy] stuffed some more RAM onto an Arduino Mega and his three-part walk through on the design, construction, and software is a great read and one of the more ‘hard core’ Arduino builds we ...

Posted in Arduino Hacks, Retrocomputing Tagged Arduino Mega 2560, model 100, portable, retrocomputing, tandy, trs-80, upcycling ...

The new Arduino hardware offers a small and straightforward USB to UART converter with digital isolator, working between 2.5V and 5V up to 3Mboud, complete with an Arduino Pro mini connector.

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 ...