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How to protect controllers and usb ports

Discussion in 'Electronic and hardware generally' started by mariano68, Oct 19, 2016.

  1. mariano68

    mariano68 Active Member

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    My Motion Simulator:
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    I didn't find any guide about protecting controllers, arduino, PSUs and USB ports, it would be great if some of the electrically competent fellow members make some kind of tutorial or guide :) as basic as it can be for us Australopithecus and Pithecanthropus members :p
    I'd blow my onboard sound card and 2 USB 3.0 ports when I crossed cables in my last build, also I will be building my next sim with big 750watts winches and I want to know how to protect psus against back current.

    Thanks anyway!
    mariano68, Oct 19, 2016
    #1
  2. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    Good point!

    - Opto-coupling is the way (but I'm not familiar with it)

    - Another way is to use a USB hub, mind to use a powered Hub: non powered hub are often a problem in our simulator setups.

    - What I did, I bought a PCI USB card to protect my computer hoping it'll blow before the motherboard. This stage is a kind of fuse between mother board and simulator.

    41SCJWhemGL.jpg ​
    • Like Like x 1
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    Last edited: Jan 17, 2017
    RacingMat, Oct 19, 2016
    #2
  3. Archie

    Archie Eternal tinkerer

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    Could you put an inline quick-blow 1AMP fuse on the +/ve of the USB cord? As you are not using them for charging (2.1A), the fuse would blow as soon as it's more than 1AMP? I'm no electrical engineer, but that's my <2cents> :)
    • Like Like x 1
    Archie, Oct 20, 2016
    #3
  4. mariano68

    mariano68 Active Member

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    Occupation:
    builder contractor
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    Argentina
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    +395 / 2 / -0
    My Motion Simulator:
    2DOF, Arduino, 4DOF
    I think I'm asking things that will help a lot of people here, and there isn't any tutorial about, so, some new guys avid for points... can add some help...
    mariano68, Oct 22, 2016
    #4