The digit numbers are quite flickering in the following video because the max FPS of the camera is 60fps. In real life, the digits display fine and there is only a little bit of flickering.

This is an Arduino Pro Mini project for correcting a speedometer when you change tire size or differential gearing. It was initially designed for a Jeep Wrangler TJ (1997-2006). It may also work on ...

[Martyn] is restoring a 32-year-old Honda motorcycle, so when the ancient speedometer broke last year he thought it was prime time to start of a digital speedometer project. We’re loving the results ...