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by Doc Watson
Thu Mar 16, 2017 11:39 pm
Forum: General discussion
Topic: One large 5 volt supply?
Replies: 26
Views: 3728

Re: One large 5 volt supply?

I am running 24 pi 3's from a 5V 60A 300W power supply which is linked to 24 usb female sockets arranged in 12 x 2 pattern and housed in an aluminium channel. This allows all pi's to be connected to power with a micro usb to usb lead. Must take pictures...... I basically used the 300W supply to powe...
by Doc Watson
Thu Sep 08, 2016 6:32 pm
Forum: OpenGLES
Topic: New OpenGL GLUT Benchmark
Replies: 21
Views: 10168

Re: New OpenGL GLUT Benchmark

Did you get the copper heat sinks I sent you Roy?
by Doc Watson
Mon Aug 15, 2016 9:50 pm
Forum: Beginners
Topic: Grendel....80 core Pi 3 cluster
Replies: 3
Views: 837

Re: Grendel....80 core Pi 3 cluster

'Its alive....its ALIVE' 60A 5V power supply running to 24 usb connectors Netgear 24 port unmanaged switch 24 Pi 3's with Enzotech BMR-C1 extruded copper heat sinks in 3 stacks of 8 Asus VC239 23" wide screen monitor One C14 ICE power lead ( a 3 prong 'kettle' lead) powers 5v supply, monitor and swi...
by Doc Watson
Mon Jun 20, 2016 3:45 pm
Forum: Beginners
Topic: Grendel....80 core Pi 3 cluster
Replies: 3
Views: 837

Grendel....80 core Pi 3 cluster

I'm halfway through building a cluster of 21 pi 3's to be used to teach network and parallel programming to students. I think I have the power problem sorted out and also a viable heat sink which I will test tonight. Communication will be via a 24 port unmanaged switch with one master pi and 20 slav...
by Doc Watson
Fri Jun 17, 2016 2:24 pm
Forum: General discussion
Topic: STICKY: Introduce yourself!
Replies: 3565
Views: 129825

Re: Introduce yourself!

Hello all, My name is Dr Andrew Watson and I am building a pi 3 cluster using 17 pi 3's with dedicated power and switch. I will create a thread on the forums in a week or two charting my progress. I am a lecturer at a college in Plymouth UK, and run and teach on a Foundation Degree in Software Devel...

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