Hackaday.com pointed out a great 120 Raspberry Pi cluster built for service testing at resin.io. The cluster is used to test deployments from resin.io’s service, and each Raspberry Pi uses a 2.8″ PiTFT to show test results. Check out the resin.io blog post for more details:
So, testing was the core motivation for building what we affectionately call “The Beast”. 120 Raspberry Pi, each with a 2.8″ Adafruit PiTFT screen, all mounted on a wood panel in a somewhat eye-pleasing format. Behind the panel, we mounted 10 USB hubs, and 10 Ethernet Switches. A Corsair CX750 power supply unit completes the beast.
The build is composed of 5 independent 24-node clusters that are unified only by the joint provision of power and networking and can operate independently if needed. They are held together with hinges, and the arrangement of the parts in the back of each section is such that the entire configuration can be folded into a tube with an almost pentagonal cross-section.
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