Subject:
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Re: moving in a straight line with two motors?
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 13 Nov 1998 20:20:40 GMT
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Original-From:
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Kekoa Proudfoot <kekoa@Graphics.Stanford.EDU>
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Viewed:
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2646 times
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> > Also, there is constant current leakage whenever there are motors attached.
> > Should be pretty low if the motor is not moving, but should climb a
> > LOT if the motor is driven by some mechanical force.
>
> Please explain why there is necessarily leakage current when the motor is
> shorted. I can see there being very little leakage current if the CMOS is
> done right, but I haven't reviewed the circuit diagram on the data sheet
> recently, so I'm not sure if this is the case with the chip in the RCX.
Hm. So I just reviewed the data sheet again, and it seems that there is
indeed a significant current when the motor is shorted. That sucks.
-Kekoa
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Message is in Reply To:
 | | Re: moving in a straight line with two motors?
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| (...) This all depends. The table you gave (presumably from the date sheet), said: (...) Now, Lego uses Off to mean Brake and Float to Off ... (...) Well, you can set the motor to "float" and you do coast. (...) Please explain why there is (...) (26 years ago, 13-Nov-98, to lugnet.robotics)
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