Subject:
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Power Usage of RCX
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 11 Aug 1999 15:49:11 GMT
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Original-From:
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James Pritchard <pritchard.james@virgin/antispam/.net>
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Viewed:
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513 times
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I was astonished to find that when the RCX is just on (NOT running a task)
with the light sensor, both switches, and both motors connected that the
Battery voltage drops very quickly. 12 mV a second or more. Is this to be
expected.
Is the RCX watch sposed to reset to 00:00 after turning on and off (red
button)?
I've also noticed that when a touch/switch is activated on port 3, a
increase of 2% occurs on the reflection/light sensor on port 2. Is this
leakage?
Thanks for any answer you care to share.
James Pritchard
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 2 Replies:
 | | Re: Power Usage of RCX
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| James Pritchard <lego-robotics@crynwr.com> wrote in message news:01BEE41B.A7DED0...gin.net... (...) 0.012V/second would be 0.72V/minute at that rate you would be to 0v in 12 minutes. My RCX runs for several hours on a set of new alkaline batteries. (...) (25 years ago, 12-Aug-99, to lugnet.robotics)
| | | Re: Power Usage of RCX
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| (...) As you draw power out of a battery, its voltage will start to decay. Usually this is specified as some sort of discharge curve of battery voltage vs. time under a constant load. Each type of battery has different characteristics, but assuming (...) (25 years ago, 12-Aug-99, to lugnet.robotics)
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