Reading a PC fan speed with Arduino

Reading a PC fan speed with Arduino

Spotted in the MAKE Flickr pool:

Flick user Arms22 built this 7 Segment LED FAN Revolution Display to monitor the speed of a PC case fan. It’s a pretty simple project, but a good introduction to sensing pulse durations and driving multiple seven segment displays. The write-up is in Japanese, or you can find a machine translated version here.

Discuss this article with the rest of the community on our Discord server!
Maker Faire Bay Area 2023 - Mare Island, CA

Escape to an island of imagination + innovation as Maker Faire Bay Area returns for its 15th iteration!

Buy Tickets today! SAVE 15% and lock-in your preferred date(s).