Read more: Battery Brands Ranked From Worst To Best The Arduino Uno Rev3 is the third revision ... large), and eliminates the need to buy a USB cable, as you likely already have a Type-C cable ...

and its USB port is somewhat outdated (who still has a USB-B cable nowadays?). But even after eliminating the Uno from your selection, you'll still be left with a wide array of Arduino boards to ...

[Damian Peckett] has implemented an Apple ][, its 6502 processor, and a cassette port, all on an Arduino Uno. If that wasn’t enough, he also uses a PS/2 keyboard for input and outputs analog VGA.

[Rafael] just made a little library that allows you to interface these modules to the Atmega328p-based Arduino UNO in order to gain some memory space. His work was actually based on the great ...