Like many early microcomputers, the Commodore VIC-20 did not come with an interna real-time clock built into the system.

The build relies on that old stalwart, the Arduino Uno, to run the show. It’s hooked up to a DS3231 real-time clock module so it can keep accurate time for long periods, as is befitting a clock.

Arduino Touchscreen Music Player, Alarm Clock (video) 10:25 am October 6, 2016 By Julian Horsey ...