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Thread: Some New Projector Electronics

  1. #1
    Join Date
    Dec 2006
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    Essex, UK
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    Default Some New Projector Electronics

    been working with someone to produce some custom electronics to suit my needs, here are the results.

    measures the temps of all modules and the base plate and displays the results on an illuminated LCD. then when a set temp is reached by the base plate sensor it activates fans within the projector

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  2. #2
    Join Date
    Apr 2009
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    Zürich-Bangkok-Dubai
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    Default

    Nice!
    I also did something similar while back

    turns out my programming skills was hopeless
    Its basically just a thermometer, couldn't figure out the IF/OR value to control the relay
    Maybe someone could help me out on that

    Click image for larger version. 

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    Last edited by JRGixxerfreaK1; 08-31-2013 at 21:10. Reason: Additional infos
    Philipp Wetter

  3. #3
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    Dec 2006
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    Default

    Would love to but I've not got a clue sorry
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  4. #4
    Join Date
    Jun 2010
    Location
    Somerset, KY
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    Default

    Andy,

    Can you tell us a little more on how they attach and if your selling them currently or when they might be available?
    This is a really great idea.

    Cheers, Ian

  5. #5
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    Dec 2006
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    Default

    all you have to do is drill a 4mm round hole in the base plate of the module and insert the sensor, same with the projector base plate.

    add 5v to the board and job done

    um not sure yet, not sure there is enough interest.
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  6. #6
    Join Date
    Dec 2009
    Location
    Laurel, MD
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    Default

    is the fan control PID controlled or does it just look for a set temperature?

  7. #7
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    Default

    Um not sure off the top of my head would need to find out.
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  8. #8
    Join Date
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    The board uses a relay and is triggers on a set temperature. It currently toggles every 10 seconds to avoid rapid on/off pulses in case the temperature is right on the edge.
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  9. #9
    Join Date
    Nov 2005
    Location
    Melbourne, Australia
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    Default

    Hmmm, that's pretty crude!

    Simple proportional control using the micros PWM ( for variable speed fan ) would be light years better than a relay!

    Quote Originally Posted by andy_con View Post
    The board uses a relay and is triggers on a set temperature. It currently toggles every 10 seconds to avoid rapid on/off pulses in case the temperature is right on the edge.
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  10. #10
    Join Date
    Dec 2006
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    Default

    I think the reason a relay was suggested was so any fan could be used
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