Subject:
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Do it yourself light sensors. How does RCX drive them?
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 14 Jan 1999 13:39:04 GMT
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Original-From:
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Malcolm S Powell <MSP@UMBRA.COstopspam.UK>
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Viewed:
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1081 times
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Michael Gasperi wrote:
>
> Malcolm S Powell wrote:
>
> >
> > I'm sorry if you have not been able to make my sensor work. However, the
> > ones I have built work just fine and I have had dozens of messages from
> > others who have built them successfully from my design. Guess you had
> > better check your wiring:-)
>
> I agree, but I wonder if your schematic might be a little confusing. You have
> dots at places where they are not needed, and a few places where dots should be.
> I've had several people contact me because they didn't understand the dot method
> on circuit diagrams.
I always thought you should put the dots where you want the really big
blobs of excess solder on the actual construction:-)
...but seriously, when I was a kid (chronologically speaking) schematics
had no dots and little bridges where crossing lines did not imply a
connection. Since then things have changed round (I think the difficulty
of drawing little bridges on early computer graphics systems might have
had something to do with it!). I admit that my current approach to where
to put the dots is a bit random!
Sorry if you have been sorting out the problem I created:-)
If you would like to redraw my schematic, I'll be pleased to update my
page when I get the chance (The boss has this strange idea about my
using this computer for something he calls "chargeable work").
Malcolm Powell
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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