LUGANO, Switzerland--(BUSINESS WIRE)--Arduino, the world's leading open-source hardware and software platform, today announced the launch of its next-generation UNO board, a significant revision ...

The Arduino Uno-compatible board has an MCS-51 (often called 8051 instead) instead of the usual ATmega328P/ATmega168. Specifically, [ElectroBoy] uses the AT89S52.

The Arduino can be a bit of a gateway board. You start with an Uno, then a shield, then another. Before you know it, you have an entire collection of shields. This is the problem 1Sheeld wants to s… ...