Andreas wrote:
>I found out that 10k is a good value for a pull-down resistor on a PIC-input
>but what are the limits? Is it also ok with 100k?

I usually use 4K7, 10K, 47K or 100K depending on what other resistors
are already required on the board. High values may give trouble in noise
pickup especially if it's for a switch and the wiring is long. Low values
cause higher current draw but if it's for a switch input, won't impact too
much if the switch is open most of the time anyway. There's no *one*
correct answer for this - it does depend on the application.
David...

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