The Arduino Uno (and Mega) communicate to your computer ... it’s easy to have your old Arduino board gain some of the features of newer boards such as the Teensy or Leonardo.

Step into the world of innovation with the Arduino Starter Kit Uno R3 by Elegoo. This kit provides everything needed to bring creative projects to life, from beginner experiments to advanced builds.

[David Hansel] shows us this in style, with a floppy interface, software library, and even a rudimentary DOS, for the humble Arduino Uno. The library ... trying to retrieve old disks, and we ...