[Beowulf] A cluster of Arduinos

Lux, Jim (337C) james.p.lux at jpl.nasa.gov
Thu Jan 12 06:35:50 PST 2012



On 1/12/12 2:16 AM, "Hearns, John" <john.hearns at mclaren.com> wrote:

>> Interesting...
>> That seems to be a growing trend, then.  So, now we just have to wait
>> for them to actually exist.   The $35 B style board has Ethernet, and
>> assuming one could netboot and operate "headless", then a stack
>> o'raspberry PIs and a cheap Ethernet switch might be an alternate
>> approach.
>
>Regarding Ethernet switches, I had cause recently to look for an USB
>powered switch
>Such things exist, they are promoted for gamers.
>http://www.scan.co.uk/products/8-port-eten-pw-108-pocket-size-metal-casi
>ng-10-100-switch-usb-powered-lan-party!
>
>You could imagine a cluster being powered by those USB adapters which
>fit into the cigarette
>lighter socket of a car.
>How about a cluster which fits in the glovebox or under the seat of a
>car?


Powering off the cigarette lighter socket (or 12V power socket as they're
now labeled) is probably feasible, but those USB widgets can't source a
lot of power.  Certainly not amps.


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