Subject:
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Re: Power inlet to RCX 1.5?
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 2 Jan 2001 14:05:25 GMT
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Original-From:
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Raoul Sullivan <raoulsullivan@hotmailIHATESPAM.com>
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Viewed:
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877 times
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I have a power supply that gives 9.3 volts and can give 130mA. Just 3
questions -
1) Presumably the RCX can take 9.3 volts? It's not much over 9V... (Sound of
frying RCX)
2) 130mA. Is that enough? I'm not sure how the RCX works internally, but the
motors run fine on the supply, and I assume that they are going to be the
biggest draw on the power supply. (Assumption is the mother of all
screw-ups)
3) How the hell do I connect the power supply to the RCX? The contacts for
the batteries are not arranged in a "normal" manner - in other words, it is
as if each battery is linked in individually - I can't tell if they are all
linked in series, although they must be. Oh, look in the back of your own
RCX and you'll see what I mean. So, to which contacts to I attatch the power
supply?
I'm asking all this because having "experimented" by attatching a 9v PP3
battery, I gave myself a nasty shock by causing the RCX to bleep and stop
working. Fortunately I only wiped the firmware.
Cheers,
Raoul (ICQ 17521252)
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Message has 3 Replies:
 | | Re: Power inlet to RCX 1.5?
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| (...) Yes, they are linked in series. Have a look at (URL) the picture shows a RCX 1.0 The 1.5 design is sligtly different but the battery box is the same. greatings Carsten (24 years ago, 2-Jan-01, to lugnet.robotics)
| | | Re: Power inlet to RCX 1.5?
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| (...) Short answer is yes. Check out this thread at Lugnet: (URL) 2) 130mA. Is that enough? I'm not sure how the RCX works internally, but the (...) Short answer is no. A single motor can draw 100mA. (24 years ago, 3-Jan-01, to lugnet.robotics)
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