Subject:
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Motors spinning at startup
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Tue, 13 Jun 2000 12:46:04 GMT
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Original-From:
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Matt Austin <falinn@NOMORESPAMcallnet0800.com>
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Reply-To:
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<falinn@&NoMoreSpam&ukmax.com>
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Viewed:
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969 times
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Hi all,
I have a problem with the motors connected to my handyboard. When I first
turn on the HB, the motors will spin randomly. This happens about every 2-3
times I switch on. I know this problem has come up before on the list, but
the post I found didn't answer all my questions.
What type of caps should I use, non-polarised?
Also what value capacitance should they have? (My motors are 12v [running
from HB 9.6v] and draw about 100ma each [2 motors])
The post also mentioned connecting the cap lead that goes to the negative on
the motor to the case of the motor, however my robot is differential drive
so the +ve and -ve of the motor change depending on which way the robots
going, what should I do?
Thanks,
Matt
--------------
"Sometimes I think that the surest sign that intelligent life exists
elsewhere in the Universe is that none of it has ever tried to contact
us.." -Calvin
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Message has 2 Replies:
 | | Re: Motors spinning at startup
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| I have been having the same motors spinning on powerup "problem" with my Handyboard. I tried various capacitor combinations on my modified servo motors to no effect. Fred M. finally provided the answer: (...) In short, there is nothing wrong with (...) (24 years ago, 30-Jun-00, to lugnet.robotics.handyboard)
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