Subject:
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Re: RCX analog input?
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Sat, 27 Jan 2001 01:59:30 GMT
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Viewed:
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1596 times
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Tim Culberson wrote:
> I haven't been reading any of the LUGNET robotics groups until a month
> or so ago when I bought my first Mindstorms 1.5 kit and entered into
> this branch of LEGO. (so sorry if this has been posted before and I
> haven't seen it in any FAQ's)
>
> My question concerns the RCX input ports. Before I knew anything about
> mindstorms I assumed that the inputs could only be digital but it
> suddenly donned on me the other day that they must have analog input
> capability seeing as it can read a 0-100% value for the light sensor.
>
> Is there any information out there (esp on the web) about the nature of
> this input? What does the port measure? A voltage range?
>
> I know there are some sites out there that talk about custom sensors but
> are there any that go into detail about this sort of thing?
>
> My thought trail (specifically) is along the lines of using something
> like a pressure transmitter (or anything) with a 4-20 mA output signal
> and having the RCX act like a PLC. This should be easy if the RCX input
> is a voltage range right (by taking the drop across a resistor)?
http://www.plazaearth.com/usr/gasperi/lego.htm
Is a great site for all that stuff.
Dean
--
Coin-Op's For Sale!: http://www.akasa.bc.ca/tfm/coin-op.html
Dean's Lego Workshop: http://www.akasa.bc.ca/tfm/lego_wr.html
Vancouver Lego Club: http://www.akasa.bc.ca/vlc
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Message is in Reply To:
 | | RCX analog input?
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| I haven't been reading any of the LUGNET robotics groups until a month or so ago when I bought my first Mindstorms 1.5 kit and entered into this branch of LEGO. (so sorry if this has been posted before and I haven't seen it in any FAQ's) My question (...) (24 years ago, 27-Jan-01, to lugnet.robotics.rcx)
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