CRO - Raspberry Pi Cluster

Coyote Ridge Observatory

These are the 3D printed parts for the Pi Cluster in the photo.

3D Files

cluster\_pwr\_mnt.stl - snap on the Pi assm. to hold the buck converters.
cluster\_mnt\_\*.stl - go on top of the fans and clip onto the 20mm risers between the Pi.
12mm\_\*\_*.stl - go under the fans and allow screwing assm. to the switch.

One converter needs to be set at 12v for the switch and fans. The other converters are set at 5v with one converter for each two Pi.

If you drill the switch case, be careful to collect all the metal shavings so you don't short the circuit board.

Gear

Switch - Netgear GS308
Cables - 6" Cat5e cables
Fans - Cooler Master Sleeve Bearing 80mm Silent Fan, 15mm thick but does not matter
Buck Converters - RioRand LM2596 DC-DC Buck Converter Step Down
Micro USB - 5-Pin Micro USB Type B Male Connector w/Plastic Cover
Female Barrel Adaptor - The buck converters are powered by a 19v laptop power supply. You will need an adapter for wh