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How to use INPD[1-4] - stsc4711 - 03-28-2025
I want to use INPD1 to count a reed switch. Unforntunately there is no documentation for wiring this input.
Is there an interal pull-down or pull-up resistor connected to this input?
Does it work if i connect the reed switch to +5V and INPD or do I need to add pull-down or pull-up resistor externally?