Subject:
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Re: Yellow Leds & Battery
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 6 Mar 1996 00:01:02 GMT
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Original-From:
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Christophe Dubreuil <CHRISTOPHE.DUBREUIL@ihatespamLAFORIA.IBP.FR>
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Viewed:
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1987 times
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On Mon, 4 Mar 1996, Fred G. Martin wrote:
> > I've got a little problem ... When I connect the DC adaptor to the interface
> > board (which is connected to the HB which is OFF) after a while the yellow
> > led of the Intf Board get dimmmer and dimmer ... it light off .. It
> > appears to happen when the battery are not discharged.
> >
> > And when Iturn the HB on it just light on an instant.
> >
> > All this never happens when the battery are really low.
>
> are you sure you have enough voltage on the adapter? You need at
> least 16- 18 v open circuit, or an adapter rated for 12 volts at 500
> mA. Your symptoms are consistent with an adapter that is rated with
> too little voltage.
Sorry to have disturbed so many people but i finaly found the solution:
my adapter war rated 1000 mA ..... and so it never give a voltage over 13
... I got one supposed to be less powerfull (500 mA) and it just work fine!!!
> >
> > By the Way ... did anybody allready compared the autonomy of the HB to th
> > 6.270 Board ....I would like to get an idear of it ... And did anybody
> > came out with a way to improve the HB autonomy.
>
> Not sure what you mean by "autonomy".
What I meant by "autonomy" was "battery lasting" : how much more time the
6.270 could supply a constant curent to motors compared to the HB (600
mAh to 2.5 Ah should make it a fourth).
Christophe
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Message is in Reply To:
 | | Re: Yellow Leds & Battery
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| (...) are you sure you have enough voltage on the adapter? You need at least 16- 18 v open circuit, or an adapter rated for 12 volts at 500 mA. Your symptoms are consistent with an adapter that is rated with too little voltage. (...) Not sure what (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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