The newly released Arduino Leonardo has a few very interesting features, most notably the ability to act as a USB keyboard and mouse thanks to the new ATmega 32U4 microcontroller. This feature ...

However, while the Uno is a helpful board for your beginner ... It's like a shrunken version of the Arduino Leonardo as it features the same ATmega32U4 microcontroller, micro-USB port, and pinouts.

Rapid adds Leonardo to its other Arduino hardware, which includes the Uno, Nano and Mega boards, server modules, shields and bootloaders. The lower cost Leonardo’s built-in USB communications brings ...

“Uno R4 WiFi includes an error-catching mechanism that detects run-time crashes and provides detailed explanations and hints about the code line causing the crash,” according to Arduino – Electronics ...