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

Arduino Uno powers Air Football table. How cool is this? Arduino (and Nextion) powered air hockey! Though it actually comes with a football spin... Thanks to the Arduino team for highlighting this one ...

There’s nothing fun about a Sisyphean task unless you’re watching one being carried out by someone or something else. In that case, it can be mesmerizing like this Arduino-driven kinetic sand ...

Arduino CNC Zen Garden Table Created (video) 3:25 pm February 20, 2017 By Julian Horsey. ... in the form of an Arduino Uno microcontroller board and stepper motors. ...

If you would like to build your very own miniature DIY air hockey table or scale it up. ... DIY air hockey table powered by Arduino Uno. 12:55 pm March 3, 2022 By Julian Horsey.

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.