Subject:
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Re: ideas for a RIS 2.0
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 24 Aug 1999 18:55:43 GMT
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Viewed:
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700 times
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In lugnet.robotics, John A. Tamplin writes:
> On Tue, 24 Aug 1999, Berger, Kurtis (I) wrote:
> > I'd be interested in a semi-analog touch sensor... ie: press the button a
> > little, it shows a low raw value [...]
>
> The standard Lego sensor already varies depending on how far it is
> depressed. [...]
If that were true, then the following multi-touch-sensor adapters would not
work:
http://www.lugnet.com/robotics/?n=1897
http://www.plazaearth.com/usr/gasperi/3rmux.htm
- Robert Munafo http://www.mrob.com/
LEGO: TC+++(8480) SW++ #+ S-- LS++ Hsp M+ A@ LM++ YB64m IC13
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Message has 2 Replies:
 | | Re: ideas for a RIS 2.0
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| (...) gradually depress the sensor. There is not a sharp cutoff like there is with a typical contact switch. I tried building a touch sensor multiplexor, but I was unable to reliably get even 3 to work because the minimum resistance is quite large (...) (25 years ago, 24-Aug-99, to lugnet.robotics)
| | | RE: ideas for a RIS 2.0
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| (...) But it IS true, and that's why the 6 input mux at: (URL) has some problems. Find out for yourself by putting a meter across a touch sensor. The resistance changes from about 1K to 470R when pressed depending on how hard it is pressed. Michael (...) (25 years ago, 24-Aug-99, to lugnet.robotics)
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Message is in Reply To:
| | RE: ideas for a RIS 2.0
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| (...) The standard Lego sensor already varies depending on how far it is depressed. John A. Tamplin LiveOnTheNet.COM, Inc. jat@LiveOnTheNet.COM 2104 West Ferry Way 256/705-7007 - FAX 256/705-7100 Huntsville, AL 35801 -- Did you check the web site (...) (25 years ago, 24-Aug-99, to lugnet.robotics)
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