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Unread 29-02-2012, 15:23
andreboos andreboos is offline
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Re: Wiring a limit switch.

Hmm, all I can say is that it worked fine for us. Our normally open switch reported 0 volts when open and 5 volts when closed, with a bit of noise. The 2.5V threshold accurately detects the two states.

Why would an unconnected pin report random values? Or do you just mean it would be a noisy zero?
 


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