A small neodymium magnet embedded in the primary gear and a Hall effect sensor determine where the stepper motor is, and in turn, which number is displayed. Everything is handled by an Arduino ...

Posted in Arduino Hacks, Transportation Hacks Tagged arduino, bicycle, bike, geometry, hall effect, servo, speed, speedometer, tire, wheel ← A Little IoT For Your PID Tea Kettle ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...