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  1. #1
    Senior Member BikeManDan's Avatar
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    Waterproof pushbutton?

    What is everyone using for waterproof pushbuttons for their homebrew light systems?

    Looking for both a momentary and on/off switch

    Help is appreciated as always

  2. #2
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    "harder" is not a very good safeword.

  3. #3
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    Yeah, you can use various industrial switches or you can do it just like this:
    http://img50.imageshack.us/img50/964/ctrl1rr1.jpg

    I'm using standard small pushbuttons, but I made them waterproof this way. It's two plastic washers that fit together and there's a piece of strong PVC foil (not PE) stuck between them. This assembly of a "drum" is glued around the pushbutton. There is a small hole close to the switch so the air didn't compress when pushing. If I should change the switch (which I hope won't be necessary), I would have to snap this cover off and glue it back again.

    Also the foil found in KorrvuŽ packaging is quite helpful. It's highly resilient at all temperatures and easy to glue together. I don't have a clue what it's made of but it seamed to me like some NASA kind of stuff when I first saw it.

    Those lever-type micro switches are better to be placed the way the water could't get straight inside. They are quite durable and work well in outdoor conditions, even the smallest ones.

  4. #4
    Senior Member BikeManDan's Avatar
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    Thanks guys

    Found some waterproof boots for switches at digikey.com
    Digikey had some LED optics too so I ordered some of those as well. Somehow an order for a couple of waterproof boots turned into a 30 dollar affair, how'd that happen

  5. #5
    Linux HA Author :-) ncherry's Avatar
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    Quote Originally Posted by dwoloz View Post
    What is everyone using for waterproof pushbuttons for their homebrew light systems?

    Looking for both a momentary and on/off switch

    Help is appreciated as always
    Not the solution you need but this may be useful to those who need a quick fix. I've used 'plastic cling wrap' to make my computer more waterproof for those long rainy rides (I do centuries). It's not a long term fix.

  6. #6
    dbg
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    Si Senior dbg's Avatar
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    You can barely see it in this picture but I've used a rocker switch inside a old tube suspended between the top and down tubes (near the head tube)
    Attached Images Attached Images
    David Green, Naperville, IL USA (Trek 5900 Superlight), (Lemond BA), (Peugeot UO8 (SS)), (Dozen other muts)

    "The older I get, the better I used to be" --Lee Trevino
    "I told my psychiatrist that everyone hates me. He said I was being ridiculous; everyone hasn't met me yet" --Rodney Dangerfeld

  7. #7
    Senior Member Zero_Enigma's Avatar
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    DBQ,

    GOt alarger image of your bike setup and some close up shots?
    Zero_Enigma

  8. #8
    Senior Member Zero_Enigma's Avatar
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    Waterproof switches here.

    http://www.batteryspace.com/index.as...S&Category=979

    The one with the red button there is a way to turn that into a momentary switch. I forgot where I read that from. It's either here or on www.candlepowerforums.com -> Bike section.
    Zero_Enigma

  9. #9
    dbg
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    Si Senior dbg's Avatar
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    Some more pics
    Attached Images Attached Images
    David Green, Naperville, IL USA (Trek 5900 Superlight), (Lemond BA), (Peugeot UO8 (SS)), (Dozen other muts)

    "The older I get, the better I used to be" --Lee Trevino
    "I told my psychiatrist that everyone hates me. He said I was being ridiculous; everyone hasn't met me yet" --Rodney Dangerfeld

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