Subject:
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Re: 3 sensors = 8 inputs?!
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 7 Jan 1999 10:01:40 GMT
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Viewed:
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1275 times
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Mark Crosbie wrote in message <199901070320.TAA02026@ce272308.cup.hp.com>...
> To further the thread on the limitations of having only 3 input sensors:
>
> One of the first things that occurred to me was that three inputs gives you • 3
> bits of input, which means up to 8 sensors. Depending on which sensors
> trigger, you convert that to a binary number which leads you to the • "logical"
> sensor number.
This approach can be useful in some applications ofcourse, but theoretically
you don't gain more information bandwith. This is because you will be able
to sense only one of eight virtual sensors at a given time. So you loose the
ability to sense multiple sensors at the same time independently.
Eric Brok
Visit LEGO ON MY MIND:
http://www.svc.fcj.hvu.nl/brok/legomind
Mindstorms/Mind Control section:
http://www.svc.fcj.hvu.nl/brok/legomind/robo
Dutch section:
http://www.svc.fcj.hvu.nl/brok/legomind/nl
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Message has 1 Reply:
 | | Re: 3 sensors = 8 inputs?!
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| (...) Unless you add a bit of electronics to multiplex your sensors, use the existing three digital inputs as a mini parallel port, design a simple communications protocol and send the sensor statuses from the module to the RCX using the protocol. A (...) (26 years ago, 7-Jan-99, to lugnet.robotics)
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Message is in Reply To:
| | 3 sensors = 8 inputs?!
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| To further the thread on the limitations of having only 3 input sensors: One of the first things that occurred to me was that three inputs gives you 3 bits of input, which means up to 8 sensors. Depending on which sensors trigger, you convert that (...) (26 years ago, 7-Jan-99, to lugnet.robotics)
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