[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 ...

A completed Arduino project to create a speedometer that doubles as an odometer for a bicycle using a hall effect sensor and an Arduino Nano (ATmega328p) for a university course. The nano's inbuilt ...

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 ...

[Howard] built his own replacement speedometer for his truck after the original speedometer cable broke. He’s using surface mount components and produced a two-board design that is quite nice. When he ...