While [Rob] was digging around in his garage one day, he ran across an old Commodore 64 cartridge ... as we don’t know if [Rob] has the 1541 disk drive that makes this cart useful.

and with an Arduino acting as the hard drive, this is one of the easiest ways we’ve seen to manage a large software library for a retrocomputer like the Commodore 64. Of course, emulating disk ...