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expanding homework board — Parallax Forums

expanding homework board

um..., Hium..., Hi Posts: 64
edited 2005-02-05 23:19 in BASIC Stamp
is there any way i can expand the number of switchable pins (the p0-p15) on teh homeowrk board?

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I wish i knew how to put a pic here! Oh, well!

Comments

  • Jon WilliamsJon Williams Posts: 6,491
    edited 2005-02-05 23:19
    You can connect to a variety of IO expander pins. Two favorits are the 74HC595 (more outputs) and the 74HC165 (more inputs). Download our StampWorks book to see how to use these devices.

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    Jon Williams
    Applications Engineer, Parallax
    Dallas, TX· USA
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