Subject:
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Re: Digital outputs.
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Thu, 1 Jan 1998 14:41:01 GMT
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Original-From:
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Fred G Martin <fredm@media.IHATESPAMmit.edu>
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Viewed:
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1323 times
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Thanks David for a nice explanation of how to add I/O using shift
registers.
Let us not all forget that the HB does have two uncommitted digital
output ASIDE from the four SPI pins: PA7 (a bidirectional pin which
is marked as digital input #9) and PA5 (a timer output pin which is
marked as TO3 on the expansion header).
It would seem silly to disconnect a motor driver signal when these
two signals are available.
Fred
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