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Thread: raspberrypi Has anyone seen one of these?

  1. #1
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    raspberrypi Has anyone seen one of these?

    I ran across this in a blog I happened upon and it kind of stunned me. At first I thought it was a joke but then I got to thinking it has more power that we sent to the Moon in Apollo 11.


    http://www.raspberrypi.org/faqs

    This is what got me laughing.

    Project theSkyNet POGS- the PS1 Optical Galaxy Survey Last updated: 02:21:58 ago To combined statistics
    BOINC Cross Project IDentifier c147cf6b68447de312ee5615fad33f99
    Owner Daniel Carrion
    Total credits 4,053.30
    Recent average credit 103.00
    Position based on total credit 2,401
    Position based on average credit 1,249
    Position based on number of CPU`s 3,416
    CPU -
    Number of CPU`s 1
    Operating system Linux - 3.2.27+
    First seen on November 24, 2012, 3:02 pm
    Measured floating point speed 324 million ops/sec
    Measured integer speed 1,277 million ops/sec
    Total disk space 3,661 MB
    Free Disk Space 1,293 MB
    Ram 438 MB
    Cache - KB
    Swap 612 MB

    Did you notice the fps and the is? Just a little on the low side but what would you expect for $25?

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    My son bought one but I cannot convince him to run BOINC on it.

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    Reminds me of the old TI99/4A that I had. Both of my older kids learned their colors, numbers and, shapes on that old thing. I wrote a little routine that looked like a slot machine with the Lucky Charms shapes and then added points. They got points for 3 of a kind and a bonus point if they could correctly add old score and new total if they won and another if they could enter the correct shape name. It was hooked up to and cassette tape deck and the TV.had 4K of RAM. They would set and plat that stupid thing for hours. Of course the only other video game at the time was Pong.

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    i'm still trying to figure out what I can do with mine and the right OS for me.



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    http://learn.adafruit.com/adafruit-u...-raspberry-pi/

    use-cases:
    recording and streaming positional and time-series telemetry
    tracking objects in motion (eg your new RC quad-copter)
    constant velocity controller
    independent way-point navigation for your robotic vehicle / boat
    telescope controller
    dog-cam w/ locator
    shark-cam w/ locator

    ...are some that I can think of

    these R-Pi parts may prompt you to come up with more ideas: http://www.adafruit.com/category/105
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    don't forget about the ideas discussion we had in this thread
    http://www.amdusers.com/forum/showth...3901#post73901

    the 'main' ideas collection was this one IIRC
    http://raspberrypihacks.com/raspberr...e-seen-so-far/
    Last edited by AMDave; 01-25-2013 at 12:14 AM.
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    ZoneMinder has the goods for Linux:
    http://www.zoneminder.com/documentation#featureList

    I use Yawcam on windows:
    http://www.yawcam.com/

    The idea is that you can make yourself a portable motion detection device (handy for camping etc) with a USB stick, USB Cam and rechargeable battery.
    You could also use it for time-lapse photography if the resolution of the USB Cam is up to it.

    What I am particularly interested in is the Yawcam feature that can alert you (audio + email) when motion STOPS rather than just when it is detected.
    There are lots of use cases for that feature.

    More ideas flooding into mind as I think about it ...
    Anyone doing INGRESS ??? (www.ingress.com , https://twitter.com/search?q=%23ingress)
    How does a remotely controlled Ingress defense beacon sound so you can be in more than one place at a time and take back your location?
    he he he
    That'll upset someone :P
    Last edited by AMDave; 01-25-2013 at 01:39 AM.
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    Sounds like it would be nice to use out in the woods to scout a place to establish a deer stand.

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    Raspberry Pi Cluster
    http://blog.afkham.org/2013/01/raspb...ol-center.html

    "Once the cluster was up & running, we ran a series of JMeter load tests. Preliminary testing was conducted using an 8 Pi cluster. At a concurrency level of 750, the cluster was able to sustain a throughput of 350 TPS at an average latency of close to 1 second. We are working on improving these figures." (Afkham Azeez)
    Last edited by AMDave; 01-27-2013 at 11:24 PM.
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    Dave here is another quote from the article that you posted;

    "we decided that we had to be able to optimize our middleware to be able to run on resource constrained environments. The Raspberry Pi model B has only 512MB of RAM & a 700 MHz ARM processor."

    In some ways it seems that IT is going backward. I got out of IT because I felt that being a programmer was just becoming a PITA and your could train a monkey to do it since the new way of doing things was to throw more processor speed and RAM at inefficient code. And it seemed that I spent all my time fixing code that some kid threw together. Of course I was also sick of the salesmen out selling systems that we hadn't written and then coming to us and telling us when it was expected. We were some of the first to do online realtime processing at McDonnell Douglas Automation, that was in the mid '70's, but that was on a 370/160 with 10MB of RAM. I started on an IBM 360/30 running DOS and the code you wrote had to be efficient. The thing was S....l.....o.......w. I look at this thing that is the size of a cigarette pack and am amazed. That 360/30 only had 256k and when we made the jump to 512k the extra 256k came in on a semi trailer lowboy flatbed. It was huge and required the removal of a section of wall and a ramp built to support the forklift to put it in place. Now I see people talking about having to "optimize code" I just can't help myself I just crack up. I would love to see one of them sit down and write something in IBM Assembler, that would be a hoot.
    Last edited by Terry1953; 01-28-2013 at 02:05 AM.

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