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I have a lot of false Endswitch messages within Estlcam. I have the endswitches connected normaly open. Tried a 1kOhm resistor, but this leads to a activated endswitch on the Ramps. What do you mean with +12V Ground? Are all GND’s not the same potential? I thought NO endswitches are not sensitive to noise, so I dont understand the false triggering.