I'm going to be controlling some HO Scale Traffic Lights anywhere from 2 to 8 feet away from the Arduino board. The lights run on 5 VDC and I'm programming the Output Pins to go to Ground to turn them on. Probably about 5ma or less for each LED. I plan to run CAT 5 wire from terminal strips that are…

Should I be Worried about Random Noise Triggering Outputs

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