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SpeakJet & BS2 Question — Parallax Forums

SpeakJet & BS2 Question

SN96SN96 Posts: 318
edited 2006-08-16 23:48 in BASIC Stamp
Hello all,

I have made a board for the speakjet and it works very well. I want to make another board, but was wondering if I really need to put pull-up resistors on the event pins 0-7? My current board uses jumpers to ground these 7 event pins. Does anyone know if the Speakjet has built in pull-ups?

Thanks,

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Mike



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Comments

  • Fe2o3FishFe2o3Fish Posts: 170
    edited 2006-08-16 23:48
    Mike,
    I believe that SpeakJet has some weak pull ups internally BUT I can't confirm that.
    Why not contact the Magnevation folks? They can tell you right away. See the
    "Contact Us" link on www.speakjet.com. The SuperCarrier board available from
    SpeechChips.com uses 4.7K pullups. It can't hurt but check with the Magnevation
    folks.

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    -Rusty-
    --
    Rusty Haddock = KD4WLZ = rusty@fe2o3.lonestar.org
    **Out yonder in the Van Alstyne (TX) Metropolitan Area**
    Microsoft is to software what McDonalds is to gourmet cooking
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