Analog-to-digital conversions

09-02-2008, 00:18

BrianBSL

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Join Date: Sep 2004

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Location: Worcester, MA

Posts: 251

Re: Analog-to-digital conversions

A 1 second delay does not sound normal.

If you are using these for limit switches, you will likely need a pullup resistor (something like 4.7k should work) to 5V, as I don't believe the analog ports have any pullup within the RC like the digital ports do, since a switch works in an open-drain configuration rather than driving rail to rail.

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