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v0id

5 Posts
Posted - 12 Jul 2004 :  09:21:16  Show Profile
I am using the BitsyX with a personality board trying to get some I/O from the J31 port. I notice that there are 3 different option configurations and choices between digital and analog I/O. I am currently using Option 3 with pin 18 (digital).

My program correctly reads and displays input however the pins seem to be so sensitive, it is hard to get a constant '0' or '1' signal. I am wondering if there is one best option # and pin # which will fix my problem. The pins are so sensitive, that even hitting the keyboard triggers a signal switch. Thanks!

-Anthony

v0id

5 Posts
Posted - 20 Jul 2004 :  08:05:02  Show Profile
For future reference, the problem was not enabling pull-ups. Pins were floating and therefore unstable.
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akidder

1519 Posts
Posted - 20 Jul 2004 :  16:47:31  Show Profile
Good catch. Thanks for the follow-up.
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