Posted by charlie on 4, 2000 at 8:09 PM:
i see on pushbutton microswitches, there are 3 diffrerent contacts. the bottom 2 are for the connecting up to the circuit board. what is the 3rd one for?
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Comments: : i see on pushbutton microswitches, there are 3 diffrerent contacts. the bottom 2 are for the connecting up to the circuit board. what is the 3rd one for?
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