Subject:
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Re: USB vs Serial Tower Response Time
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Thu, 21 Aug 2003 20:53:20 GMT
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Viewed:
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3348 times
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Wow, that answers a lot of questions, all but one: why is the USB's
'long range' shorter than the Serial's distance? Was my speculation of
the available power true? (500mA vs 9v ... not sure if these two
measurements can be compared)
Dick Swan wrote:
> Several recent posts have mentioned significantly slower performance
> of the USB Tower when compared to the serial Tower. After several
> measurements, I've concluded that the USB Tower is "natively" only
> slightly slower (~20 milliseconds per message) than the Serial Tower.
> However, many PC applications appear to add significant extra delay
> (~200 msec) for the USB tower.
<snipped>
-AK
--
------------
My website: http://legographics.idwt.net/
The LEGOCam: http://legographics.idwt.net/legocam
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Message is in Reply To:
 | | USB vs Serial Tower Response Time
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| Several recent posts have mentioned significantly slower performance of the USB Tower when compared to the serial Tower. After several measurements, I've concluded that the USB Tower is "natively" only slightly slower (~20 milliseconds per message) (...) (21 years ago, 21-Aug-03, to lugnet.robotics.rcx)
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