Subject:
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Re: VOLTAGE AND CURRENT
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 8 Sep 1999 22:05:12 GMT
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Original-From:
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Robert McCartney <robert@engrANTISPAM.uconn.edu>
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Viewed:
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899 times
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the car will almost undoubtedly fry the motor driver on the HB, and having
it on the same power will probably generate enough noise to occasionally
reset the HB. best bet would be to have the car use its own power and
h-bridges, with the control signals isolated using optoisolators.
r.
On Wed, 8 Sep 1999, Paul DaCosta wrote:
> SIMPLE QUESTION TO ANYBODY:
>
> I'M PLANNING ON INTERFACING THE HANDY BOARD WITH AN R/C CAR. NOW THE
> MOTORS OF THE R/C CAR DRAW 1 AMP CONTINUOUSLY, AND A PEAK CURRENT OF 3.5
> AMPS. THE R/C CAR USES A 9.6 VOLT BATTERY.
>
> NOW , ACCORDING TO HANDYBOARD SPECIFICATIONS, IT ALSO HAS A 9.6 VOLT
> INTERNAL BATTERY, AND MOTOR DRIVERS DON'T EXCEED 1 AMP, RIGHT?
>
> SO I REALLY DON'T HAVE TO GET ANY H BRIDGES, DO I?
>
> NOW, WOULD IT BE ON THE SAFE SIDE TO USE THEM?
> WOULDN'T BE BETTER ANYWAY IF I HAD A SEPERATE POWER SOURCE FOR THE
> MOTORS SO IT WOULDN'T DRAIN THE HANDYBOARD'S BATTERY?
>
> THIS IS A SIMPLE QUESTION, I JUST WANNA BE ON THE SAFE SIDE
>
> PAUL DACOSTA
>
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Message is in Reply To:
 | | VOLTAGE AND CURRENT
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| SIMPLE QUESTION TO ANYBODY: I'M PLANNING ON INTERFACING THE HANDY BOARD WITH AN R/C CAR. NOW THE MOTORS OF THE R/C CAR DRAW 1 AMP CONTINUOUSLY, AND A PEAK CURRENT OF 3.5 AMPS. THE R/C CAR USES A 9.6 VOLT BATTERY. NOW , ACCORDING TO HANDYBOARD (...) (25 years ago, 8-Sep-99, to lugnet.robotics.handyboard)
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