Subject:
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Re: OVER 1 AMP
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 20 Sep 1999 21:53:59 GMT
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Original-From:
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Chuck McManis <CMCMANIS@MCMANISstopspam.COM>
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Viewed:
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800 times
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At 03:46 PM 9/20/99 -0400, Paul DaCosta wrote:
> HAS ANY ONE USED MOTORS RATED OVER 1 AMP WITH THE HANDY BOARD?
Yes.
> IF SO, HOW DID YOU GO ABOUT INTERFACING WITH THE HB?
Built my own H-bridge.
> DID ANYONE USE THE L293 D/B, OR THE SNJ74 ?
No, they would burn up.
> IS IT A BAD IDEA TO PIGGY-BACK MORE THAN TWO OF THESE CHIPS IN PARALLEL,
> SAY 3 OR 4?
Yes, it would burn them up. It is much easier to build and H-bridge.
> THIS IS MY PROBLEM
> MY MOTORS RATE 1AMP CONTINUOUS AND 3.5 PEAK
> I'M USING A NICD BATTERY 9.6 VOLTS 950 mAh
A simple common collector H-bridge made out of TIP120 and TIP125 power
transistors will handle this easily.
> HOW DO I GO ABOUT DOING THIS????
Build the H-bridge and then hook it up.
--Chuck
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Message is in Reply To:
 | | OVER 1 AMP
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| HAS ANY ONE USED MOTORS RATED OVER 1 AMP WITH THE HANDY BOARD? IF SO, HOW DID YOU GO ABOUT INTERFACING WITH THE HB? DID ANYONE USE THE L293 D/B, OR THE SNJ74 ? IS IT A BAD IDEA TO PIGGY-BACK MORE THAN TWO OF THESE CHIPS IN PARALLEL, SAY 3 OR 4? THIS (...) (25 years ago, 20-Sep-99, to lugnet.robotics.handyboard)
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