Subject:
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any idea if radar can be used with the rcx?
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 17 Nov 2000 04:42:33 GMT
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Original-From:
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patel <macx@satyam.net.NOMORESPAMin>
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Viewed:
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485 times
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hi all
Any one has used radar with the rcx to sense objects in front ??
does any one have an idea where i can get small radar sensing devices?
in the Mercedees benz S class it uses radar to sense an car or ostacle in front
,
Dr Patel
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Message has 5 Replies:
 | | Re: any idea if radar can be used with the rcx?
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| (...) Not "radar," but you can couple lights to the drive motors, aim them out front, and use the light-sensor. It will see the reflected light near an object, and react accordingly. On a scout, I make it "avoid light." The thing will get ~ 4 inches (...) (24 years ago, 16-Nov-00, to lugnet.robotics)
| | | Re: any idea if radar can be used with the rcx?
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| (...) The RCX doesn't support radar, but the Handy Board with Expansion Board supports the Polaroid Sonar unit... here is a thread on a recent discussion here on it... (URL) Handy Board is essentially the RCX+++, but it does not come in a Lego (...) (24 years ago, 16-Nov-00, to lugnet.robotics)
| | | Re: any idea if radar can be used with the rcx?
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| You can get pretty good proximity detection using the built in IR port to send (arbitrary) messages out and simultaneously sampling with the stock light sensor to pick up IR returns. Proximity detection out to about 10 inches is possible. Search the (...) (24 years ago, 16-Nov-00, to lugnet.robotics)
| | | Re: any idea if radar can be used with the rcx?
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| I work at a Mercedes-Benz dealership and checked into the pricing of the radar in the new 2000 S-Class... Retail, $4300!! Just for the control unit, all the other gizmos needed total to about $1500. Guess that puts radar cost into perspective. Might (...) (24 years ago, 18-Nov-00, to lugnet.robotics)
| | | Re: any idea if radar can be used with the rcx?
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| Radar tends to overkill for most Lego applications. (Large and expensive) I have a couple of infra-red based detectors on the web page below, that are built into a standard 2x4 bump brick. Maximum range is about two feet. (URL) - pete. (...) -- Pete (...) (24 years ago, 18-Nov-00, to lugnet.robotics)
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