 | | Re: Color images? (was: Re: digital camera entirely made of mindstorms?)
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First you would need to find a light sensor that detects visible light, not mostly infared light. What type of sensor is this? Andy (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | Optical card reader for the RCX
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Hello ! , I'm trying to do a optical card reader using the light sensor of the RCX. I put on a 8x6 board different 2x1 smooth piecies of varios colors ,then i slice them near to the light sensor and i got different value depending of which color the (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: Color images? (was: Re: digital camera entirely made of mindstorms?)
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I have some tri-colored LEDs I bought last year. They were really expensive (I think $15 each), but they are very cool. They have three leads, and they can make any combination of reds greens and blues. I can't remember where I got them, but there (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | RE: Color images? (was: Re: digital camera entirely made of mindstorms?)
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***Warning*** Non-Lego part question to follow..... Do you know who distributes Hamamatsu ? JB (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | RE: Color images? (was: Re: digital camera entirely made of mindstorms?)
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***Warning*** Non-Lego part discussion to follow..... Are we looking for a light sensor that can distinguish color, or really just a color sensor (that by human definition works in the visible spectrum)? Hamamatsu makes a variety of small (6mm x (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: Color images? (was: Re: digital camera entirely made of mindstorms?)
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...and you are going to share this great sensor, aren't you? :) But of course! If you take a look at www.borg.com/~pinkmice you'll get an idea of the lengths to which I go to build stuff! (apologies in advance for the size of the pictures - I know (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: Color images? (was: Re: digital camera entirely made of mindstorms?)
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...and you are going to share this great sensor, aren't you? :) Dave (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: Color images? (was: Re: digital camera entirely made of mindstorms?)
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I have been experimenting, on and off, with a "better light sensor" for the RCX. No offense meant to Lego or any of the more purist Legoists, but I indulge myself in designing various other sensors for RCX use. In the course of that indulgence, I (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: digital camera entirely made of mindstorms?
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I have more detailed photos of the assembly if you would like to reproduce my results: (URL) is essentially two turntables fastened together with angle brackets. It uses a touch sensor to home the yaw, and a rotation sensor to control the pitch. (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: Color images? (was: Re: digital camera entirely made of mindstorms?)
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(...) Actually, I went home and tried it, and this seems to be the major problem. Even for objects that were totally green or blue, the value with the red filter over the end of the sensor was consistantly higher than the blue or green filtered (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: Color images? (was: Re: digital camera entirely made of mindstorms?)
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I tried this a little when I first made my robot using the red bat wings that come with the set, and I couldn't get a good image through one of them. One of the big problems is that the sensor is mostly infrared, with some red sensitivity. I haven't (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | RE: New to Lego bots - Where to get Technic parts?
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I'd strongly recommend the Code Pilot set. ((URL) 1,263 pieces, including TWO clutch gears, lots of other gears, a motor, two touch sensors, and cables. Normal retail is about $150 US, but Shop@Home had it last Christmas as a special for $100. Doug (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: New to Lego bots - Where to get Technic parts?
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(...) The Technic Space Shuttle 8480 is a superb parts package, so good in fact that I bought two of them in a sale. Perhaps the down side for Mindstorms folks is that the large motor supplied is an old style 9V one. The smaller one is a (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
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| | New to Lego bots - Where to get Technic parts?
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Hello everybody, I just signed on this list and I am completely new to Lego-based robotics -- but I am quite excited about it all! If I had only had this when I was a kid! (And had more free time!) Anyway, I do have an opening question. I've visited (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Re: Pneumatic pump for Roverbot
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That a great idea. But how do you control the pressure, as it is pumping all the time. I suppose you could vent it until a minute before you intend to use the compressed air... I like the Roverbot because it moves slowly and has a lot of torque. (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | RE: NQC Debug Question
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Yes, it needed a semicolon. Ironically, I'd specifically checked for semicolons before posting. Ah, well, back to proofreading class. Doug Wilcox Senior Web Developer iMcKesson Provider Solutions Group-Needham 160 Gould Street, Suite 130 Needham, MA (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | RE: NQC Debug Question
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Doesn't MoveTime = 20 need a ; at the end? MoveTime = 20; -----Original Message----- From: Wilcox, Doug [mailto:Doug.Wilcox@...esson.com] Sent: Wednesday, September 27, 2000 10:39 AM To: Lego-Robotics (E-mail) Subject: NQC Debug Question I hate to (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | NQC Debug Question
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I hate to bring this to the group, but I'm puzzled. I *finally* got over procrastinating about biting the NQC bullet ... but the following program gives me "parse errors" on lines 8 (repeat 10) and 19 (the penultimate "]". Help! Where have I gone (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Re: Color images? (was: Re: digital camera entirely made of mindstorms?)
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In theory, yes I believe it could be done, however I would be concerned that a 1x2 filter would be so thick as to distort the image drastically... better to take a sheet of transparency material and print a red, green and blue spot and attach it (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Re: Color images? (was: Re: digital camera entirely made of mindstorms?)
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(...) Ok, so it's uncouth to reply to my own messages, but more on the color blending: -each filter could be 2 1x2 trans bricks-- the red filter would be green & blue, green would be red & blue, blue would be red & green -you'd also have a 4th (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Color images? (was: Re: digital camera entirely made of mindstorms?)
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Ok, maybe I'm just out in left field on this one, or maybe someone will actually be inspired to try it out... How about making a color digital camera? Proposal: modify the existing design for the camera by adding on a colored filter, and an extra (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Pneumatic pump for Roverbot
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While the Mindstorms Roverbot is moving it can produce pneumatic pressure by simply adding a few parts to its tracks. Have a look at: (URL) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Re: digital camera entirely made of mindstorms?
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Oh! I remember a story about that in one of the Apple ][ magazines, or Circuit Cellar or something. They took a picture of a lightbulb I think (I guess their version needed more light than yours). They used the same technique you describe. I thought (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Re: Advanced programming with Vision Command
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It seems to me that the RCX will generate the "I'm alive" response on it's own. I have switched the RCX from program 5 after starting the program. As long as I kept the RCX in view of the tower than my program ran fine. Ryan -- Reply to rjschave at (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Re: digital camera entirely made of mindstorms?
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(...) (This may be marginally off-topic - but someone will find it useful) That reminds me of the digital camera I made 'by hand' about 15 years ago by *carefully* milling the 'lid' off an old DRAM chip and replacing it with a microscope slide (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Re: Sound sensor
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Søren Bak <soren.bak@get2net.dk> wrote in message news:G1I4JD.KCC@lugnet.com... (...) build a (...) There is an updated version of my sound sensor in the upcoming book; Extreme Mindstorms. It uses the smaller an more available electret microphone (...) (25 years ago, 27-Sep-00, to lugnet.robotics)
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| | Re: X10-2 camera usage with Mindstorms?
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Hi I have a same camera. and I disassemble and reconstruct to like this. (URL) (This WwbPage is written in Japanese.) (...) ---...--- Jin Sato * jinsato@magi.com * (URL) (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | Re: IrDA -> RCX
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Rodger Etz-Brown wrote in message <20000926155328.A4160@wk-6>... (...) I think i read somewhere in the other roboticsrelated groups, that the IrDA uses a different technology for transmitting IR versus RCX. And that it also would be wery (...) (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | Re: digital camera entirely made of mindstorms?
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This thread is pretty old, but if any of you have questions about how I made my pure-lego digital camera, I would be happy to answer them. The camera scanned the sensor by tilting the sensor. It used the magnifying glass from the Adventurer's set. (...) (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | X10-2 camera usage with Mindstorms?
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I have recently purchased an X10-2 wireless color camera in hopes to use it in my frivilous campaigns at Mindstorming. I haven't received the camera yet, but I was wondering if any of you fellow robot heads could give me some advice or tricks on (...) (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | Re: Roving Web Cam
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I've constructed several Lego robots that carry a laptop around for telelegorobotics. My setup Sony VIAO Picturebook WebCam32 Lego Mindstorms RCX WebBrick (my telerobotic control program) A web page with some JavaScript (details with WebBrick (...) (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | Re: Roving Web Cam
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On Mon, 25 Sep 2000, Amnon Silverstein wrote: [...] (...) and then you are going to mount a small notebook on the robot or what? - ask (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | compass for RCX
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Has anyone tried using a digital compass with the RCX?? I was looking at the Jameco catelog, at part 126703 which is an electronic compass with a serial output. I was thinking that if it could be wired to an infrared transmitter, one could read the (...) (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | Re: Sound sensor
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(...) Try Michael Gasperi's MindStorms RCX Sensor Input Page at (URL) a lot of sensor building advise, he shows specifically how to build a sound sensor. Søren Bak (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | IrDA -> RCX
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Hi, has anybody ever tried to 'circumvent' the IR Tower? May be by using the IrDA port on a laptop? Tada, REB (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | Sound sensor
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Has anyone built a sound sensor for the rcx, and is so, could they email me the plans??? Thanks for any and all help! Jason P.S.if anyone has ideas for a sound sensor, but hasnt built one, id like to hear those, too. (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | Re: Advanced programming with Vision Command
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(...) Is there anyone in the world ? ;-) (...) I managed to use the cam as a sensor (but its still limitated). I did it this way : I wrote a program with the VC - Software with a function for every field. (don't care wich function but it should be (...) (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | Re: Anyone know where I can get RIS 1.0 to 1.5 Upgrade in the UK?
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I've received a nice email from Lego Shop At Home in the UK (I sent them a query about the parts I wanted as well as a request for a catalogue) and they can give me the RIS 1.0 to 1.5 Upgrade for £20, which is about $28. Not too bad! Dan (25 years ago, 26-Sep-00, to lugnet.robotics)
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| | Re: AW: V2. Firmware questions
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Its not private. The sdk 2.0 beta is availible to the public, but they got rid of the easy link. THe other way to get to it is to go to the mindstorms website, click tips and tricks. In the left hand frame, towards the bottom, there is something (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | AW: V2. Firmware questions
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Tobias, You are right: (URL) 2.2 is a major update to NQC that adds support for RCX 2.0 Firmware and a final Scout API (preliminary Scout support was added in 2.1). Refer to the Release Notes for more detailed information. The RCX 2.0 firmware is (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | AW: V2. Firmware questions
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Hi Tobias, after downloading firmware V2.0 you can continue to work with the graphical programming tool RIS 1.5 as well as with NQC. But you cannot use the new features ... Up to now you have to switch to the V2.0 programming environment to use the (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Mibo and your book...
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Jin, i am a Mindstorm-Robotics fan from Germany and i am really interested in building your famous robots. i would like to buy your book but this seems nearly impossible from germany :-(( there arent any online-book-stores which carry books from (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: AW: V2. Firmware questions
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Ok, I give up :-( Where on www.legomindstorms.com can one find the link to the RIS 2.0 SDK? Mike (...) -- Mike Westerhof Regional Consulting Operations Manager Tel: (888) 273-5955 Fax: (888) 273-5955 mailto:mike.westerho...rwoven.com (URL) Business (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: AW: V2. Firmware questions
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Mike Westerhof (01:22 PM 09.25.2000) wrote: >Ok, I give up :-( > >Where on www.legomindstorms.com can one find the link to the >RIS 2.0 SDK? It's not directly accessible, since you're not supposed to know about it unless you're in the beta. But, the (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: V2. Firmware questions
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Tobias Möller (01:17 PM 09.25.2000) wrote: >NQC is a programming language for the RCX by Dave Baum. It's similar to >C (thus the name, Not Quite C). I can't remember the URL, though. (2 URLs) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Mall Tour 2000
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Hi all; My 11 year old and I head out locally to the Mindstorms 2000 Mall Tour this past Sunday. If you're lurking on the list or haven't yet seen what Mindstorms are about, this can be a quick look into what's happening. The only RCX model there is (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: Sharp GP2D05 Infrared Ranger and the RCX
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That sensor looks very cool. It seems like it could run off of the standard brick voltage too, unlike the sonar sensor which would need an additional battery pack. And it is cheap. Rig it up! (...) (25 years ago, 25-Sep-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Sharp GP2D05 Infrared Ranger and the RCX
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Hi, Has anyone interfaced the Sharp GP2D05 infrared ranger with the RCX??? Ram (25 years ago, 24-Sep-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: V2. Firmware questions
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"Tobias Möller" <tobias.moller@telia.com> wrote in message news:39CF96BC.A51E3A...lia.com... (...) The URL is: (URL) Buiting Visit the LEGO Lexicon: (URL) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: V2. Firmware questions
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NQC is a programming language for the RCX by Dave Baum. It's similar to C (thus the name, Not Quite C). I can't remember the URL, though. --Tobias (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: V2. Firmware questions
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Sorry, but what does NQC stand for? If you mean the RCX 2.0 beta SDK stuff, then yes, that is the beta for firmware V2. Jason (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: V2. Firmware questions
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But the latest version of NQC deals wiith V2, right? --Tobias (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: New (ish) MINDSTORMS book in UK
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"Rob Doucette" <rob.doucette@york.com> wrote in message news:G1AIoJ.6Js@lugnet.com... (...) I know - my first message in this thread listed them both, but the More Advanced ... book is not yet published. We sell the books here - (URL) (25 years ago, 25-Sep-00, to lugnet.books, lugnet.robotics)
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| | Roving Web Cam
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I've built a new roving web cam. It is a camera equipped robot that can run around the house, and the driver sees pretty brisk (5 fps or so) video over the web, and he or she controls the robot by pushing buttons on the web page. Last year I did (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: RIS 1.0
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(...) I think in theory the upgrade period is over, but I bet they'll continue to ship upgrades so long as they have them. Note that the upgrade number just puts you through to Shop at Home. No, you don't need a receipt, I think they ask you for a (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | RIS 1.0
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This is a question for anyone who has bought the RIS 1.0 box that says free upgrade to RIS 1.5. Do you need a receipt to get the upgrade free? I'm think of getting it as a gift for someone, and I don't want to have to give them the receipt also! One (...) (25 years ago, 25-Sep-00, to lugnet.robotics)
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| | Re: How 2 Augment RIS 1.5?
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(...) See if you can find set #8462. It´s a truck with a lot of good pieces; a turntable, 6 big alu-wheels, 2 air-tanks, a finger powered air-pump and 2 big air cylinders. Also contains lots of blue/black beams, air tubes and other good stuff. It´s (...) (25 years ago, 24-Sep-00, to lugnet.robotics)
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| | Re: V2. Firmware questions
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I dont know about the vision command, but the sdk avalible on mindstorms website (2.0 beta) does not update the application. They also are not offering a special upgrade kit (to my knowledge). The sdk does include a free programing interface, but (...) (25 years ago, 24-Sep-00, to lugnet.robotics)
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| | V2. Firmware questions
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If I download and install the new firmware in my RCX, will the RCX code programming application be updated as well, to use the new firmware? (You know, the program where you add little pieces together to form a program) Or do I need a special (...) (25 years ago, 24-Sep-00, to lugnet.robotics)
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| | Advanced programming with Vision Command
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Dear robotics friends, Oh god, it was a hard job to get the Vision Command from USA to Czechia but eventually I have got it. Now I try to explore its real capabilities. Of course, I am not much interested in playing music by waving hands in front of (...) (25 years ago, 23-Sep-00, to lugnet.robotics)
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| | Re: TinyVM coding question
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You could use a Tcl/Tk script to install/use TinyVM/leJOS. I was trying to do this in java, but it did not work out. Now I have a GUI editor for Tcl/Tk. The buttons and menus would be easy to program, once I figure out how to do commands. Andy (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Anyone getting PowerPacks?
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(URL) thinking of getting the 5220 and 5219, to spice up the designs of my robots. I've never used the kind of pieces that come in silver in 5220, are they good or bad? --Tobias (25 years ago, 23-Sep-00, to lugnet.technic, lugnet.robotics)
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| | Re: Windows 2000
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The Vision command does *not* work with win2k. Dern thing won't even *try* and install. -Ryan ----- Original Message ----- From: "Michael Cooper" <mcooper@uvic.ca> To: "James Stanton" <jbs@parsons.edu> Cc: "Lego Newsgroup" <lego-robotics@crynwr.com> (...) (25 years ago, 23-Sep-00, to lugnet.robotics)
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| | Re: TinyVM coding question
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(...) [...] I already responded to Eric via email, but for anyone else who might be interested, this bug was fixed in TinyVM 0.1.4. The current version is 0.2.2. Expect 0.2.3 tonight or tomorrow (due to a bug fix, having to do with assigning (...) (25 years ago, 23-Sep-00, to lugnet.robotics, lugnet.robotics.rcx.java)
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| | TinyVM coding question
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Folks, I have a question about TinyVM 0.1.3. I am working with the included code (TestReceiver1.java) but have come across some interesting behavior which I hope someone can explain (and offer a solution for). I am tryying to write a simple program (...) (25 years ago, 22-Sep-00, to lugnet.robotics, lugnet.robotics.rcx.java)
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| | Re: Strong gear assemble?
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(...) One trick I've used in the past to squeeze a little more torque into a small package is to pair up multiple motors. Hook their power connectors together (being careful to get the same polarity) and connect their drive shafts to do the same job (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Kits on sale
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oops, i called warick, RI (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Bulk up on structure parts at 81% off
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Set 8269 Cyber Stinger is on clearance at www.zanybrainy.com for just $12.50 each. If you join at www.e-centives.com you get a coupon for $10 off $25 purchase, and free shipping. My total was just $15 for two 8269s, which is just over 81% off the (...) (25 years ago, 22-Sep-00, to lugnet.robotics, lugnet.market.shopping)
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| | Re: Kits on sale
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I called worchester, ma. wheres watertown? THeir website doesnt have legos either. (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Kits on sale
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I called worchester, ma. wheres watertown? (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Kits on sale
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(...) Weird, I bought my RDS at Best Buy, Watertown MA and it was indeed on sale as posted. I got a few accessories kits there also @ $19.99. I haven't been there in a few weeks though, so I can't say what they have now. -Adam (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Kits on sale
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Dang, I just called my best buy ( MA) and they dont have it on sale (or even cary the products) :( anyone know of any other places to get a good price in the RI, MA, CT area? (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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According to "The Art of LEGO Design" a worm gear is best used at high-speed, low-torque points in the drive train. In other words, drive the worm from the motor, then do any further gearing... Unless your normal gear train is trading torque for (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) 1:40 - The worm gear is *effectively* a 1-tooth gear. -Adam (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) 1:40. There's a single thread on the worm, moving one "tooth" per revolution. That gives you the same ration as 1 tooth gear. As has been discussed before, the characteristics of this worm gear reduction will be slightly different than (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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Im ahead of you there, I already did that :p. I need to add even more torque. The the current setup is this: worm to central 40pt gear, 40pt's axle is connected to one 8pt gear on either end and then after that a 16 (i think)on each end also. The (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | RE: Windows 2000
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Hi Jim, I have had win2k since April last year and have had no problems with anything Lego-Related ( I don't have vision command yet, but I would assume it works fine, Let you know in a few weeks when it arrives). ~Mike As much as I hate to admit (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Kits on sale
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For what it's worth.... My local Best Buy (Portsmouth, NH) has the Extreme Creatures and RoboSports on sale at $19.99. That's 6 bucks less than the current S@H special. Also, the Scout RDS for $79.99, if you like teal and blue. The Extreme Creatures (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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"Brian B. Alano" <lego-robotics@crynwr.com> wrote in message news:39CB6EE0.C47991...iva.net... (...) has (...) ... don't forget the Windows 2000 fasteners, a Microsoft specialty: Screw ME. -- -Rob. ===...=== New sets and parts for sale or trade: (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | RE: Windows 2000
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I dont want to have to upgrade to Brick ME, knowing MS they will just come out with another upgrade soon after, and does that mean I have to upgrade again? Anyway my current legos seem to work just fine with Linux. -----Original Message----- From: (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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You don't have to do that. Microsoft is preparing to buy TLG, and rumor has it they will soon market Windows 2000-compatible blocks called Brick ME. Pricing is TBA. (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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That is a serious issue. I'll have to make sure that all of my Legos are NT compatible then. (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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(...) LOL LOL LOL Thats just what I needed today......... (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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(...) I have a friend who upgraded to Win2000, and now none of his bricks stick together anymore. (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) As ever, the most appropriate response to this question would have to be "it depends". In "real" engineering applications the answer is generally yes - certainly when I have used linear drivers based on worm screws in the past, their (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Windows 2000
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I'm sure this has already been talked about, but, has anyone had any issues using Legos with Win 2000? I'm about to upgrade... Jim (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Anyone know where I can get RIS 1.0 to 1.5 Upgrade in the UK?
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"Daniel Crichton" <danielc@helio.co.uk> wrote in message news:G1A9Eq.9yx@lugnet.com... (...) of (...) (set (...) Constructopedia). (...) Shop at Home in the US has the upgrade for $25, I haven't bought one yet. Here is a closed eBay auction with a (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: New (ish) MINDSTORMS book in UK
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There are 2 books from this author: (URL) Robotics with Lego Mindstorms Robert Penfold List Price: £12.99 Our Price: £10.39 You Save: £2.60 (20%) Availability: Usually dispatched within 24 hours Paperback - 270 pages (31 August, 2000) Bernard Babani (...) (25 years ago, 22-Sep-00, to lugnet.books, lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) Would the friction created be that much of a problem? Would the loss in efficiency be that noticeable? (Note: These are not rhetorical questions so a response would be appreciated :-) Jude (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) A word of caution - the worm gears are certainly great for large gear reductions in small spaces, and it is usually easy to brace them well, but they have one disadvantage over a traditional gear train - they create more friction, and are (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Anyone know where I can get RIS 1.0 to 1.5 Upgrade in the UK?
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I've noticed that there are some parts in RIS 1.5 that don't exist in RIS 1.0, and that the programming software is supposed to be better (nesting of commands and such), but the Mindstorms site indicates that the upgrade (set #3803) is only (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Lego Mindstorms in Swedish television
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(...) Or for every one, here is the official page from the University: (URL) and drool :) TGIF! /Tobbe (25 years ago, 22-Sep-00, to lugnet.loc.se, lugnet.general, lugnet.robotics, lugnet.technic)
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| | Re: Remote control
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I have successfully trained my Sony Integrated Remote Commander RM-AV2000 (retails for $120) with the $20 remote from Lego. I have not tested training the remote from the IR tower, but I'm sure it would work. I'm also sure you could train any (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | RE: Remote control
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(...) Hey good idea... Now I can justify a fancy learning universal remote to myself! m@ (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Remote control
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Has any one tried using a universal remote on the RCX to see if it would work? If it did, $5 is a great improvement over $20! (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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Thanks for the help! After sending out the email, I thought of a way to do it (using a worm and a 40t gear ;), so now it lifts its self. Its interesting to watch as it rises though, because even though its semetricle, it goes up on first one leg, (...) (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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I second the turntable suggestion. Triple black pin two beams to the molded-in mounting lugs and you can make a perfect space to worm-gear the outer ring. As an added bonus you get tons of mounting surface to put the rest of your big- rig (...) (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Advice on Rotation sensors and steering please.
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Sorry. No I meant with correcting. My motors were matched pretty well, but without correction there was a large 2-3 foot error. Also the 500->15ft statement was an approximation of the actual numbers, I did this 3 months ago. Andy (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) combination (...) (assuming (...) If you have a turntable around, you can do even better than that. I never counted how many teeth it has on the outside, but it's a lot more than the 40t gear. And even better, it has molded on "mini-beams" to (...) (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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If you are having trouble with the weight of the object ( robot) that you are lifting, you could possibly work a worm gear into the gear box. The worm gear changes the direction of motion, which prevents the weight of the object from working (...) (25 years ago, 21-Sep-00, to lugnet.robotics)
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