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Pull ups and pull downs — Parallax Forums

Pull ups and pull downs

BoomboxBoombox Posts: 24
edited 2007-07-11 01:22 in BASIC Stamp
Hello all,

Here's my Idea. I was thinking about using half·the IO's on my BS2p40 to configure the other half as pull up or pull downs. Other then the fact that I would be using up so many IO's to create a dynamic configuration do you guys see any problems I might run into?

Thanks
Boombox
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Comments

  • BeanBean Posts: 8,129
    edited 2007-07-10 15:10
    As long as you use a resistor from the Pull up/down pin you should be fine.

    Bean.

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  • BoomboxBoombox Posts: 24
    edited 2007-07-10 15:17
    Like a 10k?
  • BeanBean Posts: 8,129
    edited 2007-07-10 15:37
    Yes, 10K would be perfect.

    Bean.

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  • KatyBriKatyBri Posts: 171
    edited 2007-07-11 01:17
    Boombox,

    Why do you want to take up pins to do this instead of doing it in software? Just curious.
  • BoomboxBoombox Posts: 24
    edited 2007-07-11 01:22
    Hmm.... good question. How would you suggest doing it in software?
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