DIY Arduino Digital Speedo

When Martyn’s thirty one year old Honda speedometer went out, he decided to replace it with a home built digital Arduino based led based unit. The unit senses wheel rotation using a hall effects sensor. Processes it with the Arduino then sends it to a LED driver (Maxim 7221 IC) which runs a series of LEDS on the display. Check out the project

Other cool hacks and mods from our Archives:

1 comment to DIY Arduino Digital Speedo

Leave a Reply




You can use these HTML tags

<a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>