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Sttc Electricty — Parallax Forums

Sttc Electricty

ArchiverArchiver Posts: 46,084
edited 2003-03-30 20:12 in General Discussion
Hi All


Influence from Static Electricity on the inputs, has any one had
experiences?
I am using Hall Effect switches, could it be the switch are extremely
vulnerable to static.?
Any One Please.

Regards Larry

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2003-03-30 17:57
    Are you killing pins?

    Original Message

    > Influence from Static Electricity on the inputs, has any one had
    > experiences?
    > I am using Hall Effect switches, could it be the switch are extremely
    > vulnerable to static.?
  • ArchiverArchiver Posts: 46,084
    edited 2003-03-30 18:05
    No The staic sparks are not even directed to the pins, just to the mounting
    plate and the mount is not even connected to the power supply. I have not
    had any failures.just units are changing states.
  • ArchiverArchiver Posts: 46,084
    edited 2003-03-30 20:12
    I have used many Hall Effect devices and have yet to blow one from static or
    any other means. So the answer to your question is that they are no more
    sensitive than any other semiconductor. Of course enough of a static
    discharge can blow any semiconductor device. Infact a Hall effect device
    should be better since no direct contact needs to be made to the device.
    Unlike a mechanical switch that must be contacted to work!


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