Raspberry Pi Case Fan


I purchased an inexpensive snap-together acrylic case for my Raspberry Pi from a seller on eBay. Overall I was happy with the case, but although this case has holes for passive air circulation I noticed that after running the Pi in the case that some of the chips were running a bit warm (even with heat sinks installed). Since this Pi will be running a web server 24/7, I decided to design a new top which accommodates a small (quiet and low air flow) cooling fan.

Raspberry Pi Case Fan

NOTE: When installing and setting up the software I referenced the following 2 instructables:

http://www.instructables.com/id/Host-your-website-…

http://www.instructables.com/id/Raspberry-Pi-Web-S…

I primarily referenced the first instructable, but I used nginx rather than Apache server software and I referenced the second instructable for the nginx installation and setup.

NOTE: Since I made this project, I have found several cases that are available on eBay for the new Raspberry Pi2 and B+ that include a small fan. The Pi2 uses a 900 MHz ARMv7 quad core whereas the older Pi uses 700 MHz ARMv6 single core

Step 1: The Original Case

This picture shows the original case. It can be snapped together (no glue or fasteners are needed) in a few minutes.

Raspberry Pi Case Fan

Step 2: LibreCAD Design of a New Case Top

LibreCAD is a free (and very capable) 2D CAD application that runs on either Windows, Mac OS X and Linux (so it is possible to run LibreCAD on the Raspberry Pi to redesign its own case). I used a caliper to take measurement from the original top. I did not include the I/O access slots from the original case since I will not need these for my application of this Pi. I also did no include the hinge tabs from the original case. The new top is just be held in place by gravity and it can easily be removed if needed.

For more detail: Raspberry Pi Case Fan


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