Subject:
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Re: input used as output
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 8 Dec 2004 10:22:50 GMT
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Viewed:
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1002 times
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> So I'm suspecting that if I get into LegOS internals, I can tweak the low-level code to do more.
No, that's an internal limitation of RCX inputs: when configured for active
sensors, they provide a 14mA current limited supply. This low current is enough
to light a LED or slowly turn a motor, but don't expect to get any significant
mechanical power from there.
Have you considered mechanical splitters (such as
http://www.bricksonthebrain.com/instructions/offsite.cfm?linkID=618) to get two
actions from one motor ?
Philo
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Message has 1 Reply:
 | | Re: input used as output
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| well I've decided to go with 2 RCX's anyway. Later I may switch to a non-lego controller ala handyboard, brainstem, etc. Anyway, for the record, the current is also pulsed in order to get the reading from the photoreceptor. I still suspect I could (...) (20 years ago, 9-Dec-04, to lugnet.robotics)
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Message is in Reply To:
| | input used as output
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| ok, sans any response -- Using NQC, I can turn on & off the LED on my light sensor (changing sensor type between LIGHT and NONE). If I attach a motor to the input, it turns at a low power level (a bit less than power=1) if the sensor type is LIGHT. (...) (20 years ago, 7-Dec-04, to lugnet.robotics)
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