Subject:
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Motor Problems
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Thu, 6 Feb 1997 04:09:02 GMT
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Original-From:
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Bill Rose <brose@&Spamless&ipa.net>
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Viewed:
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3362 times
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I left a email about my motor problem earlier this evening. Well, since
then I have changed my code to use ports 2 and 3 and the bot worked just
fine for a little while, then both 293 chips smoked. I guess I was drawing
too much current. Anyway I am completely out of business right now. I
believe that I saw a higher rated substitute mentioned on the mailing list.
Is there a motor driver chip that can take the amp draw. I am guessing that
this is what happened. If anyone has any other ideas please send me a line.
Do you think it hurt anything else when the 293's fried? My board still
comes us just no motors or leds at all!
If you have any solutions for this problem please post them. It is pretty
discouraging since I just got my code working.
Thanks
Bill Rose
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Message has 1 Reply:
 | | Re: Motor Problems
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| Geeze - sounds like my kind of luck. Well, according to the Handy Board FAQ, there are two varieties of the 293; the 239B and the 293D - the "D" is rated at 600mA/channel and has spike suppression diodes built in, while the "B" is rated at (...) (30 years ago, 6-Feb-97, to lugnet.robotics.handyboard)
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