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Thumb joystick modification...

Discussion in 'General Electronics Discussion' started by jaydskate, Jun 19, 2013.

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  1. jaydskate

    jaydskate

    1
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    Jun 19, 2013
    Hello everyone,

    I'm new here and I have a really generic question. I purchased a thumb joystick in the hope of build a zoom controller for my video camera. I built one a few years back but I want to build another one with a zero return function. That joystick is perfect for what I want to do but unfortunately, it's only a 10k potentiometer and I need it at 20k. The camera's controller is analog so if it receives 0k it zooms in, at 10k it's neutral and 20k it's zooms out.

    Is there a way I can modify it so I can get these values. Right now it's almost 10k and at neutral it's 5K. Can I put a resistance in parallel and which value should it be?

    thanks in advance..

    Jayson

    P.S I'm a total newb. I can solder stuff together... :eek:

    [​IMG]
     

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