Subject:
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Re: Encoders
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sun, 10 Sep 2000 23:32:22 GMT
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Original-From:
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Chuck McManis <cmcmanis@mcmanis.comSTOPSPAM>
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Viewed:
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927 times
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IC can't sample the A/D converters that quickly. As long as you're
generating a nice squarewave you could connect it to one of the input
capture pins and write a custom interrupt routine to maintain the count.
--Chuck
At 10:58 PM 9/10/00 +0000, Steve Stevens wrote:
> Since some are on the subject of encoders, I have a problem I would like to
> get help on. I have a hall effect sensor dutifully counting pulses on a
> gear. The gear will rotate from 800-4000 RPM. I am running the signal
> through a 741 OP Amp to condition and amplify. I get a beautiful square wave
> output to my analog input on the handy board. The test signal is a 35.3 ms
> rep rate or 1730 RPM, but the handy board does not keep a good count. I am
> using fencdr5.icb. Hi and low thresholds are at 220 and 110 respectively.
> This problem is driving me nuts. Any help?
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Message is in Reply To:
 | | Encoders
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| Since some are on the subject of encoders, I have a problem I would like to get help on. I have a hall effect sensor dutifully counting pulses on a gear. The gear will rotate from 800-4000 RPM. I am running the signal through a 741 OP Amp to (...) (24 years ago, 10-Sep-00, to lugnet.robotics.handyboard)
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