Subject:
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External Motor Power Problems
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sat, 22 May 1999 03:50:39 GMT
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Original-From:
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Bill Denzel <wdenzel@polymailSTOPSPAMMERS.cpunix.calpoly.edu>
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Viewed:
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803 times
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Hello all,
I modified my HB to except the external motor source. After downloading a
test program to see if all the ports worked, I found that only one motor
port now works. There is the possibility that I shorted out other chips,
but I am sure that I did not connect the power in backwards. I have tried
replace the H-Bridge chips (the TI one's) with no more success in solving my
problem. Has anyone else seen this before and know of a solution? What
other chips should I be checking if the motor ports do not work? Thanks for
any advice!!!
Bill Denzel
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Message has 1 Reply:
 | | Re: External Motor Power Problems
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| At 08:50 PM 5/21/99 -0700, Bill Denzel wrote: What (...) Looking at the schematic for the motor driver circuit at: (URL) the 'HC04 and the '374 are implicated. Do all the other functions of the HB work? Duncan (25 years ago, 22-May-99, to lugnet.robotics.handyboard)
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