USB Game Pad Mod Question - Page 2
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  1. #11
    Tech Guru MiL0's Avatar
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    I think it converts analogue signals to mouse movements so not sure how much use that is in a midi world.

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  4. #14
    Tech Mentor extraclassic's Avatar
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    Anyone know if it would be possible to power a couple of buttons with leds in from a game pad?

    And maybe some info on how to do it.

    Thanks

  5. #15
    Tech Guru Archies'bald's Avatar
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    Quote Originally Posted by extraclassic View Post
    Anyone know if it would be possible to power a couple of buttons with leds in from a game pad?

    And maybe some info on how to do it.

    Thanks
    I don't see a problem really. Most gamepads power two rumble pads which we don't use. I imagine they will take a fair percentage of the available power. Don't ask me how many LEDS you could power, I don't know, but I'm pretty sure you could power one for each button if you aren't using all the buttons at the same time. There has to be a bit of diversity included in the power calculations.

  6. #16
    Tech Mentor extraclassic's Avatar
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    Thanks Archies'bald.

    Would i need to use resistors for the leds?

  7. #17
    Tech Guru Archies'bald's Avatar
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    Quote Originally Posted by extraclassic View Post
    Thanks Archies'bald.

    Would i need to use resistors for the leds?
    I would assume so. It won't do any harm putting them in, but it might do if you leave them out. From memory it's 330 ohm resistors I think, but double check that with someone else.

  8. #18
    Tech Mentor extraclassic's Avatar
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    Ok Thanks again. I'm just tring to get a parts list together.

  9. #19
    Tech Mentor extraclassic's Avatar
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    I'm Just about to order all the parts for my case but still have a few more questions.

    I've decided to add a couple of a couple of rotary potentiometers to each case so i am now going for game pads with thumbsticks on.

    Would these potentiometers be ok to use? 16MM 10K LIN. COMMERCIAL POT?



    16mm diameter carbon track single potentiometers suitable for PCB mounting offered in a range of popular values.

    Dimensions 17 x 16.5mm
    Pitch 5mm
    Tolerance 20%
    Power rating 0.2W linear, 0.1W log.
    Maximum voltage 200V linear, 150V log.
    Electrical rotation 300°C ±5°C
    Rotation torque 30-350gm/cm
    Temperature range –25°C to +70°C


    Also im a bit confused on which type and thickness of wire/cable to get for connecting the potentiometers and arcade buttons?

    Thx in advance

    EDIT.

    Would this be ok? is it thick enough?

    Last edited by extraclassic; 06-08-2010 at 03:04 PM.

  10. #20
    Tech Mentor kaleaf's Avatar
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    Your pot should be solder lug type unless you are using a pcb (it will have a hole in it for the wire) and I would find what cap you want before you pick your pot. If you need some help let me know.

    I use 22 awg wire that I pull from my spool of cat-5 network cable and solder with a water based flux core.

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