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Homework Help: Switch Bounce

  1. May 15, 2008 #1
    how to cure Switch Bounce? is it a good idea to read the key more than once?
  2. jcsd
  3. May 15, 2008 #2


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    Science Advisor
    Homework Helper

    You can do it analogly with a cap and a resistor or you can do it in software by reading the input a few times - it depends on the application.
  4. May 15, 2008 #3


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    Staff: Mentor

    You can also use cross-coupled NAND gates to debounce a switch, if the switch has two throws per pole.
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