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Re: Digital inputs on old FRC
If you are sure that the switch is working (by using a multimeter) and you are sure your code is correct (by using the default code or code tested by another team), then you should check for metal chips in/around/under the input pins. I've seen metal chips create a short that causes all pins to pull high or low, which makes the input "stuck" either on or off.
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An ounce of perception is worth a pound of obscure.
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