Subject:
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Re: 3-wire converter for homebrew sensors
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 25 Mar 1999 14:09:07 GMT
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Viewed:
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1019 times
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In lugnet.robotics, lego-robotics@crynwr.com (Pete Sevcik) writes:
> Home-brew sensor fans -
>
> I have developed a converter brick to ease the job of attaching powered
> sensors to the RCX. The brick converts the RCX sensor interface to a
> standard three wire interface (+5, ground, and input voltage.) For more
> info go to
> http://www.flash.net/~sevcik/ Look under "Sensors".
I wonder if you have looked at the simple method for connecting sensors to a
RCX on my web page? It really only takes 6 diodes and a capacitor to create a
powered sensor interface. Add a opamp if you need gain. This work was
originally developed by Sven Horstmann but you can find it at:
http://ourworld.compuserve.com/homepages/Michael_Gasperi/lego.htm
under the General Purpose Analog Interface section.
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Message has 1 Reply:
 | | Re: 3-wire converter for homebrew sensors
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| (...) [snip] (...) Ahh, but the stipulated purpose for Pete's sensor brick is that it gives a _linear_ response that isn't corrupted by the non-linear diode drop caused by currents that are often less than 2ma and perhaps not past the "knee" region (...) (25 years ago, 25-Mar-99, to lugnet.robotics)
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Message is in Reply To:
| | 3-wire converter for homebrew sensors
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| Home-brew sensor fans - I have developed a converter brick to ease the job of attaching powered sensors to the RCX. The brick converts the RCX sensor interface to a standard three wire interface (+5, ground, and input voltage.) For more info go to (...) (25 years ago, 25-Mar-99, to lugnet.robotics)
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