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Zap-proofing a switch from static?

Discussion in 'Electronic Basics' started by larrymoencurly, Jan 14, 2004.

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  1. How can I make the on/off and reset buttons for a computer more
    resistant to static electricity? Would putting a 100 ohm resistor in
    series with each of the button's wires and following that with a MOV
    or other clamp do it? These buttons seem to work reliably even with
    1,000 ohms total in series.

    Is there any practical way of doing the same for the keyboard and
    mouse, not necessary for those things but for the computer they're
    connected to?

    I'm looking for protection that's almost goof-proof and doesn't
    require the user to touch the computer case or an anti-static pad.
     
  2. Jerry G.

    Jerry G. Guest

    This is very difficult to do reliably. The best is to have an optical
    coupling system, but will be involved to do.

    Have you thought of investing in a humidifier? That would be the most
    viable solution. We keep our humidity in the range of about 40% to 50%.

    --

    Greetings,

    Jerry Greenberg GLG Technologies GLG
    =========================================
    WebPage http://www.zoom-one.com
    Electronics http://www.zoom-one.com/electron.htm
    =========================================


    How can I make the on/off and reset buttons for a computer more
    resistant to static electricity? Would putting a 100 ohm resistor in
    series with each of the button's wires and following that with a MOV
    or other clamp do it? These buttons seem to work reliably even with
    1,000 ohms total in series.

    Is there any practical way of doing the same for the keyboard and
    mouse, not necessary for those things but for the computer they're
    connected to?

    I'm looking for protection that's almost goof-proof and doesn't
    require the user to touch the computer case or an anti-static pad.
     
  3. Not practical since the computers aren't exactly 100% indoors, and this is Arizona.
     
  4. Seems to me that painting the surface of the power and
    reset buttons with conductive paint and attaching a small
    braided wire from the chasis to each one might help.
    You could do something similar to the space bar of the
    keyboard and the upper surface of the mouse.
     
  5. Luhan Monat

    Luhan Monat Guest

    You could move to the East Coast, all of the electrons have frozen there
    recently.
     
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