Subject:
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Re: DC adapter
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 5 Sep 1997 11:07:07 GMT
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Original-From:
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Peter Harrison <peter.harrison@#NoMoreSpam#cannock.ac.uk>
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Viewed:
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1239 times
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Fred G. Martin wrote:
> Good question. Answer:
>
> DO NOT USE REGULATED ADAPTERS WITH THE HANDY BOARD.
>
> I will add this to the FAQ, because it is not obvious, but the HB
> power circuitry was designed explicitly for CHEAPO UNREGULATED WALL
> WARTS ONLY.
>
> sorry,
> Fred
Isn't this a bit sweeping? Surely the problem is that a 12v regulated
supply will not have enough headroom with a 9.6V battery. I use a 7.2V
battery without problems (that I am aware of).It is not the regulation
that is the actual problem but the voltage I am presuming.
Of course, I could be wrong ...
Pete
--
=====================================================
peter.harrison@cannock.ac.uk
Cannock Chase Technical College
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Message has 1 Reply:
 | | Re: DC adapter
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| a regulated supply would be really nasty when you put the interface board in ZAP mode -- the supply would try to raise the level of the battery to 15v or whatever, and that would be bad. so unless you really know what you are doing, steer clear of (...) (27 years ago, 5-Sep-97, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | Re: DC adapter
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| Good question. Answer: DO NOT USE REGULATED ADAPTERS WITH THE HANDY BOARD. I will add this to the FAQ, because it is not obvious, but the HB power circuitry was designed explicitly for CHEAPO UNREGULATED WALL WARTS ONLY. sorry, Fred In your message (...) (27 years ago, 4-Sep-97, to lugnet.robotics.handyboard)
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