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Thread: Anyone ever try to make strobes out of old disposable cameras?

  1. #71
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    Could you provide a video of them in operation in the dark? I want to be sure to get a true strobe effect and if these will do it then I'll dump the camera strobes. I have a bunch of DCSSRs that I was planning to reuse for different projects and this could be one of them.
    Brian

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  2. #72
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    Ill scan a circuit diagram tomorrow. Im not sure about the video, the file was 4M in size at the lowest resolution. Ill try converting to other formats.

    BJ

  3. #73
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    4MB will easily fit on Youtube and should easily fit on Vimeo too. So I don't see the problem.

    ---

    How do you guys ask for used disposable cameras? What do you say?
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  4. #74
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    I was not sure ho I would go, my first post on youtube. I put two videos up:

    http://www.youtube.com/watch?v=fQGlPlb7EPU
    http://www.youtube.com/watch?v=WSSqdgTPRQQ

    Im assuming this is the way to do it. The second one is a bit short, sorry about that, but you get the idea. :D

    I did a quick sketch of the circuit, the 1n4001 diode is only a protection device in-case I did something stupid and throw full wave un-rectified AC at them. These are running on "unfiltered" full wave bridge rectified 24v and dim very well.

    BJ
    Attached Files Attached Files

  5. #75
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    Brad - looks GREAT!!!

    Any chance at a link, to the strawhats you used?

    EDIT: Found some on ebay....are these close?

    Strawhat 500mw leds

    If so, LOT'S of different colors - maybe a few people would like to go in, and get 3 or 4 colors, and "mix and match", instead of having to buy a lot of one color?

    Thanks,

    R
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  6. #76
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    An excellent alternative solution. I was considering LED's harvested from old cellphone/camera flashes, but I think your solution is better for consistency of sourcing the parts.

    Where did you get the boxes? (and do you think they can be sealed to be weather resistant?

  7. #77
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    Quote Originally Posted by LabRat View Post
    An excellent alternative solution. I was considering LED's harvested from old cellphone/camera flashes, but I think your solution is better for consistency of sourcing the parts.

    Where did you get the boxes? (and do you think they can be sealed to be weather resistant?
    Agreed - - not 100% the same as a strobe but probably close enough - and easier to manage than a pile of old camera strobes (besides lasting longer as well).
    Brian

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  8. #78
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    Roger, yes they are the leds I used, I had considered doing RGB versions but I could not get them to fit into the cubes.

    Labrat, the boxes are available here:
    http://cgi.ebay.com.au/12X-Transpare...item3a59b05551

    They are almost sealed, the tops just push on so I put a thin line of silicone around the edge to hold on (where would we be without silicone? ). BTW, they are designed to be stacked and have little pushon tabs and knoby bits moulded into them.

    To deploy into the display Im proposing to silicone a magnet on the bottom "a rare earth type for strength" so I can attach to gutters/poles/etc or fishing wire strands of zinc plated washers in my mega tree.
    Has anyone got any other ideas on how to mount?

    BJ
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  9. #79
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    Quote Originally Posted by bradjones View Post
    To deploy into the display Im proposing to silicone a magnet on the bottom "a rare earth type for strength" so I can attach to gutters/poles/etc or fishing wire strands of zinc plated washers in my mega tree.
    Has anyone got any other ideas on how to mount?
    You have steel gutters?

    You may need to use zip-ties(or string, etc) to attach the wire nearby otherwise your magnets may not be strong enough.
    Have you thought about using velcro straps? Something like this. You could hot glue these to the back of the lights and you could still attach your magnet to the other side of the strap.
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  10. #80
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    Default Re: Anyone ever try to make strobes out of old disposable cameras?

    Quote Originally Posted by bradjones View Post
    I did a quick sketch of the circuit, the 1n4001 diode is only a protection device in-case I did something stupid and throw full wave un-rectified AC at them. These are running on "unfiltered" full wave bridge rectified 24v and dim very well.

    BJ
    The original posted circuit didn't work for me -- or I didn't read it right. The LM317's data sheet had a different example using different pins, and built a prototype seemed to work although it was entirely different. Tested with 12vdc and it's nice and bright. This one inputs +12v to pin 2 so it seems like it's backwards!

    EDIT: BRAD'S ORIGINAL CIRCUIT IS CORRECT.
    Last edited by dirknerkle; 05-18-2010 at 12:23 AM. Reason: Removed circuit and photo to prevent confusion

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