Subject:
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RE: Wot no RCX power connector?
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 21 Oct 1999 09:32:14 GMT
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Viewed:
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496 times
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In message <BFBCB00A4D7BD211A9BB0000D11BAFAE26A7E3@mbsp05.sp.TRW.COM>
lego-robotics@crynwr.com (Jim Thomas) wrote:
> It looks like they have changed the boards fairly significantly. Many parts
> substitutions -- notable the capacitor farm looks like it has been replaced
> by a battery backup capacitor. The overall parts count seems to be reduced
> in more places than just the power connector.
Ah, that explains those people talking about easily wiping the memory by
pulling the AC adapter out - the old RCX lost everything immediately, right?
The new one claims to (and seems to, but I haven't timed it) retain its
memory for up to a minute while you change batteries.
--
Kevin Bracey, Senior Software Engineer
Pace Micro Technology plc Tel: +44 (0) 1223 518566
645 Newmarket Road Fax: +44 (0) 1223 518526
Cambridge, CB5 8PB, United Kingdom WWW: http://www.acorn.co.uk/
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Message has 2 Replies:
 | | RE: Wot no RCX power connector?
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| (...) It beeps just before it runs out of juice - sadly my batteries keep running low when the RCX is in off mode. I'm right now working on making a set of dummy batteries/internal 9v AC connection. The bottom end of the RCX would easily allow a (...) (25 years ago, 21-Oct-99, to lugnet.robotics)
| | | Re: Wot no RCX power connector?
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| (...) Only if the RCX was "on" at the time. If the RCX is "off" then power usage is reduced to a trickle, supplying power only to maintain the data in RAM, and in this state the RCX can survive for upwards of a minute or more, even with no batteries (...) (25 years ago, 21-Oct-99, to lugnet.robotics)
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Message is in Reply To:
| | RE: Wot no RCX power connector?
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| It looks like they have changed the boards fairly significantly. Many parts substitutions -- notable the capacitor farm looks like it has been replaced by a battery backup capacitor. The overall parts count seems to be reduced in more places than (...) (25 years ago, 20-Oct-99, to lugnet.robotics)
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