And we end up seeing all kinds of display techniques being used to show time. For the simplest of builds, 7-segment display modules ... pretty plain vanilla — an Arduino Nano clone, a DS3231 ...

[Martyn] is restoring a 32-year-old Honda motorcycle, so when the ancient speedometer broke last year ... horror of driving 40 LEDs with a single Arduino, [Martyn] bit the bullet and got a ...