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Thread: My LED enlarger lightsource instructions / Complete parts list and build

  1. #61

    Join Date
    Nov 2019
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    Tuggen, Switzerland
    Posts
    45

    Re: My LED enlarger lightsource instructions / Complete parts list and build

    Hi Will. I'm so glad you were able to put it together so nicely. Everything looks very clean and tidy. Just out of curiosity, what are the power resistors on the back of the LED's for?

  2. #62

    Join Date
    Jun 2008
    Location
    Nashville, TN
    Posts
    263

    Re: My LED enlarger lightsource instructions / Complete parts list and build

    Marco, those are heaters that were used for the old florescent lamp to help stabilize it during printing. They are riveted to the panel and I decided to leave them instead of cutting them loose.

    I also used the existing wiring block, switch and light to wire up the power supply, so you get a red power light and on/off switch on the light box.
    Will Wilson
    www.willwilson.com

  3. #63
    Tin Can's Avatar
    Join Date
    Dec 2011
    Posts
    20,089

    Re: My LED enlarger lightsource instructions / Complete parts list and build

    The heaters used a Thermistor

    I should show you guys the Made by General Motors for Howard Bond as 'Govt Work'. A 12X12 Aristo enlarger head Stabilizer which means in a factory, something custom made for a big wig.

    Rocket Science for sure
    Tin Can

  4. #64

    Join Date
    Dec 2014
    Location
    Beuningen (GLD)
    Posts
    32

    Re: My LED enlarger lightsource instructions / Complete parts list and build

    Hi,
    This looks amazing!
    Maybe I overlooked it, but does the timer also have f-stop sequence abilities?
    Best regards

    Hans

  5. #65

    Join Date
    Jun 2019
    Location
    Western Massachusetts, USA
    Posts
    308

    Re: My LED enlarger lightsource instructions / Complete parts list and build

    If it doesn't, F-Stop printing isn't very difficult to add to this type of program. For the enlarger timer/head I built, I programmed in an F-Stop mode, and making it work with these LEDs should be fairly simple. If you want, I can send you the code I wrote for mine, and if you know some basic arduino programming adding in the f-stop function to this timer should be mostly copying and pasting

  6. #66

    Join Date
    Dec 2014
    Location
    Beuningen (GLD)
    Posts
    32

    Re: My LED enlarger lightsource instructions / Complete parts list and build

    That would be great, Ethan.
    I can manage to add your script than into the original code.
    This is a very nice new years project :-)

    Thank you in advance.
    Best regards

    Hans

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