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 ...

Can be used to pull speed data from a NEO-6M GPS module and drive a stepper motor to display speed. Can be used to make a speedometer for an older car that does not have a speedometer.

If you can ride a bike with no handlebars, no handlebars, no handlebars, you can do just about anything. You can take apart a remote control, and you can almost put it back together. You can listen in ...