PC Fan DIY – How to Make a Nexus One PC Fan!

http://www.instructables.com/image/FUPX5RHG5W7J605/Color-Changing-Digital-PC-Fan-Controller.jpg

I saw this PC fan and first thought, “Nexus One”.  Well, the author didn’t really intend to make it a Nexus One PC fan but it certainly looks like my Nexus One animated boot-up screen. Cool~

A self-contained, digital, full control fan controller based around an AVR microcontroller that could have fine control over the fan’s speed, read back the RPM, and control not just the brightness of the LEDs but also the color.  Having seen a lot of cool projects using RGB (red-green-blue) LED’s online, I figured it would be a good project.

via instructables

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