Subject:
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Cybermaster Motor dead? Happend to anyone else?
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 31 Dec 1998 11:01:10 GMT
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Viewed:
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1281 times
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Last night I was programming my Cybermaster, the programm was running fine,
except that the Brick stopped very hard and switched off after running
forward about 1,5m . The voltage went down to 6.000 mV for 7.500 mV
Since then there is only a scrambling sound when I start the motors with
assembled chains, wheels or anything else that needs power. If there is
nothing attached, the motor will turn around. New batteries don´t help.
If I look to the current on motor three, the maximum is about 45mAmps, when
the whole thing was ok, the maximum was about 110 MAmps.
All three motors are victim´s of this strange behaviour.
I think the motor driver circuit is broken.
Does anybody else had this problem? Or is there a wrong parameter somewhere
? (just used fwd,rwd,on and off)
Happy New Year
Joerg
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Message has 1 Reply:
 | | Re: Cybermaster Motor dead? Happend to anyone else?
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| (...) I know you said that fresh batteries didn't fixed it, but the only time it happened to me it happened *exactly* the way you said and the fix was to purchase new batteries. Sorry, but I have no other ideas whatsoever. Laurentino Martins *<||:-) (...) (26 years ago, 31-Dec-98, to lugnet.robotics)
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