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

Even with more and more devices making the leap to USB-C, the Arduino Uno still proudly sports a comparatively ancient Type-B port. It wouldn’t be a stretch to say that many Hackaday readers … ...

Arduino, the world's leading open-source hardware and software platform, today announced the launch of its next-generation UNO board, a significant re ...

With its ports, the Uno stands at a total height of 15.4 mm, although with all the I/O pins soldered on, ... Both the Arduino Nano and Uno can be powered via their integrated USB connectors.

The official Arduino team has this week revealed more details about the new Arduino UNO R4 development Board which will be officially launching in a few months time during May 2023. The ...

Arduino said requests from the Arduino community see the USB port upgraded to USB-C and the maximum power supply voltage increased to 24 V with an improved thermal design. The board provides a CAN bus ...

The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.

Responding to community feedback, the USB port is now USB-C, and the maximum power supply voltage has been raised to 24V with an enhanced thermal design. ... The Arduino UNO R4, featuring the Renesas ...