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I am looking for the lowest priced RIS 1.5 kit. I was wondering if anyone knew of someplace online that is selling it for cheaper than $200. I have heard that it sells for around $150 or $160 at some site, but do not know where. Any help is (...) (25 years ago, 18-Nov-00, to lugnet.robotics)
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| | RE: FW: Another DIY sensor
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Steve I would hope that better mice would have better encoders, but I don't know, I have a Logitech track ball I think I will take it apart and look at it to see how much difference there is.... The guy who suggested duct taping a mouse to the (...) (25 years ago, 18-Nov-00, to lugnet.robotics)
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| | 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 (...) (25 years ago, 18-Nov-00, to lugnet.robotics)
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| | Re: Another DIY sensor
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I forgot to mention that two optical mice are needed for accurate navigation. With only one sensor you cannot track if the robot turns. I think it’s a good idea to buy a optical mouse because I haven’t seen any suppliers carrying the HD2000 chip. If (...) (25 years ago, 18-Nov-00, to lugnet.robotics)
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| | Re: any idea if radar can be used with the rcx?
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(URL) Too see the store is 100 times more expanse as the web site. Happy surfing... Fred (25 years ago, 18-Nov-00, to lugnet.robotics)
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| | Tracks.
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Just a swift note: The 5934 "Track Master" from the adventurers' range has some nice *small* rubber tracks. They are about half the width and 2/3rds the length of the RIS tracks...which I found was very useful for making a *small* tracked robot. (...) (25 years ago, 18-Nov-00, to lugnet.robotics)
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| | FW: Another DIY sensor
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I was throwing a mouse away the other day and instead took it apart to see what makes it tick, well, it's a perfect rotation sensor. I think it will be almost twice as accurate as the lego rotation sensor, more as this project develops. I think it (...) (25 years ago, 18-Nov-00, to lugnet.robotics)
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| | 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 (...) (25 years ago, 18-Nov-00, to lugnet.robotics)
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| | Re: Another DIY sensor
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(...) All optical mice use the HDNS-2000 (short: HD 2000) chip from Agilent Technologies. There are two output modes: the rs232 output and the quadrature output mode. The quadrature output gives the Delta X and Delta Y values (how much the x,y (...) (25 years ago, 17-Nov-00, to lugnet.robotics)
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| | Re: Sets with worm gear box?
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I just tried to send this reply directly to pavogel@pacbell.net and my message is returned as undeliverable. Is this some kind of "special" email address? So here is my answer, to the more general audience, please forgive; The two odd pieces, in (...) (25 years ago, 17-Nov-00, to lugnet.robotics)
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