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Thread: "Help!" for: Electronics

  1. #451
    Sorry, I don't know of anything off the shelf that will do what you want. The Color Organ was the closest I could think of, the modification is very minor.
    Get kit, cut off light wiring, connect motor.

  2. Quote Originally Posted by thatdecade View Post
    Sorry, I don't know of anything off the shelf that will do what you want. The Color Organ was the closest I could think of, the modification is very minor.
    Get kit, cut off light wiring, connect motor.
    What kind of motor? sorry, treat me as if I were a 6 year old and the only thing I know is that the on/off switch magically turns on a light.

    If you can provide a list of what exactly I need, I may be able to get my cousin to work on it for me.

    also, I need it to be able to handle 4 flaps.

    This:
    http://www.goldmine-elec-products.co...p?number=C6948

    says its needs a car battery? um.....can it run off of 9 volts or AA batteries instead?


    And how would the motor work? I only need it to move flaps up and down, and from that site, I don't see anything that would work.
    Last edited by Dani-Girl; 03-30-2012 at 12:54 PM.
    My Ultimate Cosplay: Hardsuit from Bubble Gum Crisis
    http://www.youtube.com/watch?v=NiN8pyfyTn4

  3. #453
    I'm making a Mass Effect suit and want to put in the lights on the back, but I can't order EL Wire online and I don't really know how to do LED wiring. Can I have some tips on how to start the wiring and setup for it?
    We Are Harmony's Last Hope
    We Are Zeta Squad
    Friends Zeta Fanfic:
    http://www.fanfiction.net/s/7504960/1/

  4. You can't order online because you're in another country?
    My Ultimate Cosplay: Hardsuit from Bubble Gum Crisis
    http://www.youtube.com/watch?v=NiN8pyfyTn4

  5. #455
    I picked up a string glow thing but I'm not sure what to do with it for my Mark VI build. This is what I got http://www.bikeglow.com/ battery pack is already installed on it so pretty much all I have to do is add it to the suit but how, and where is now my dilemma
    Grif build http://www.405th.com/showthread.php/...JOLNIR-Mark-VI
    Yep believe it or not, I'm a girl

  6. #456
    OK so quick update, my violet LEDs (and a few others) arrived and I finally had a chance to try playing with the wiring, and I think I got the setup I need! I have 2 violet LEDs connected to a couple of resistors to a slide switch to a battery pack holder. They are about as bright as I expected them to be, and they diffuse nicely behind the plastic I'll be using as "windows" in my suit. They look the best in the dark, but they illuminate the window pretty good with average lighting.







    EDIT: I got them installed last night on one shoulder piece, I am VERY happy with how they look. I used 2 to increase the output and I think that was a good call. You can see them in normal light!



    Last edited by Revenant1988; 04-01-2012 at 11:14 AM. Reason: Updated pics!

  7. #457
    Quote Originally Posted by Dani-Girl View Post
    This:
    http://www.goldmine-elec-products.co...p?number=C6948
    says its needs a car battery? um.....can it run off of 9 volts or AA batteries instead?

    And how would the motor work? I only need it to move flaps up and down, and from that site, I don't see anything that would work.
    It is a 12 volt kit, but from the looks of it I would guess that you can connect it to anything up to 12 volt. A 9 volt battery would work just as well. Get the kit with a 9 volt battery and a 9 volt motor. Motors come in lots of types and sizes. You will need to choose one that is sized to match your project.

    Moving flaps up and down with a motor can be tricky, but the concept is straight forward. Do research in how a crankshaft / steam piston works. The motor spins a shaft in a circle. This circular motion then gets converted to an up down motion through a crank (attached to motor shaft). The piston then attaches to the crank. When the crank spins in a circle, the piston moves up and down. Here is a picture of a Simple Crank.

    Other notes... http://en.wikipedia.org/wiki/Crank_(mechanism)

    Quote Originally Posted by rasendori04 View Post
    I don't really know how to do LED wiring. Can I have some tips on how to start the wiring and setup for it?
    There are some good videos on youtube. Also here is a link to my site with a quick diagram of LED wiring.

    Quote Originally Posted by Revenant1988 View Post
    I got them installed last night on one shoulder piece, I am VERY happy with how they look. I used 2 to increase the output and I think that was a good call. You can see them in normal light!
    Your pictures are awesome, thanks for posting.
    Last edited by thatdecade; 04-02-2012 at 12:51 PM.

  8. #458
    Thanks. I never thought I'd be so happy to make two things light up, but here we are haha!

    I have another problem. I'll be wiring my backpack/chest soon and that piece has several more LED's in it, 14 by my count. I'm curious if a 3(AAA) or even a 4(AAAA) box will be enough to supply power to them all, and if yes how long would it last...

    Should I look at a larger power supply and different resistors? Or is there a formula I can use to figure out how many LED's I can attach to one source for best life?

    I appreciate your thoughts!

  9. Quote Originally Posted by thatdecade View Post
    It is a 12 volt kit, but from the looks of it I would guess that you can connect it to anything up to 12 volt. A 9 volt battery would work just as well. Get the kit with a 9 volt battery and a 9 volt motor. Motors come in lots of types and sizes. You will need to choose one that is sized to match your project.

    Moving flaps up and down with a motor can be tricky, but the concept is straight forward. Do research in how a crankshaft / steam piston works. The motor spins a shaft in a circle. This circular motion then gets converted to an up down motion through a crank (attached to motor shaft). The piston then attaches to the crank. When the crank spins in a circle, the piston moves up and down. Here is a picture of a Simple Crank.

    Other notes... http://en.wikipedia.org/wiki/Crank_(mechanism)
    so much like a horse on a carousel (the crank above it moves it up and down).

    however, I would have to mount this "sideways" (not up and down). What would you recommend (the area where this must fit, is only the size of a Pringles can in width and there are four flaps around this circumference)? and each flap reacts to its own movement from sound (they don't all move at the same time), hence, I have to make 4 separate units.

    I couldn't find the 9volt kit for the Organ kit on the site.
    Last edited by Dani-Girl; 04-02-2012 at 07:55 PM.
    My Ultimate Cosplay: Hardsuit from Bubble Gum Crisis
    http://www.youtube.com/watch?v=NiN8pyfyTn4

  10. #460
    Quote Originally Posted by Dani-Girl View Post
    I couldn't find the 9volt kit for the Organ kit on the site.
    oops, I'm confusing, the 12 volt kit with a 9 volt battery.

    Quote Originally Posted by Revenant1988 View Post
    is there a formula I can use to figure out how many LED's I can attach to one source for best life?
    Yep, there is an equation for that. Go down to the table on the wiki page below, in the mAh column there is a number for each battery type. Alkaline AAA have a capacity of 1200 mAh (mA hours). Three batteries in series, like in your drawing / pictures, will also have 1200 mAh.
    http://en.wikipedia.org/wiki/List_of_battery_sizes

    Figure out the mA used by your LEDs.
    (Battery voltage / resister ) x number of LEDs x 1000 = mA current used by LEDs

    Example
    (4.5v / 300 ohms ) x 10 x 1000 = 150 mA

    Then you divide the battery capacity
    1200 mAh / 150 mA = 8 hours

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