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Usually when building a synchro drive, the power shaft that goes down through the middle of the turntable somtimes gives way in rough terrain. Using a Lego gear box, I have made the power shaft more capable. A pic showing the new setup is at: (URL) (...) (25 years ago, 29-Dec-00, to lugnet.robotics)
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| | Changing URLs
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My website, www.marsrobot.com is changing URLs. The new URL is (URL) I changed the way the robot content is managed on my site while I was moving everything and I am afraid I may have broken a few referrer links. I will try to repair those as they (...) (25 years ago, 29-Dec-00, to lugnet.robotics)
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| | Re: Different motor speeds?
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(...) No two motors give the exact same power output. In order to overcome that you have the basic solution: you connect 1 motor to an differential, the power is divided over both wheels. A side-effect of this method, is that if one wheel has lesser (...) (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Where to buy sensors etc in th UK?
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A newby question - as the subject says, things are going well and I need more of everything! Sensors, in particular a rotation sensor More motors Another differental casing Another pair of tracks and sprockets Are these available separately in the (...) (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Re: Line following program?
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Hi Robert, Line following is an interesting problem, and I don't want to ruin the fun of discovery for your son and you, but here are some hints: 1. Start with a robot design with differential drive (i.e. left and right side of the robot driven by (...) (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Newbie: English manuals / parts / few general questions...
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Hi all, I know this must be a pain in the arse but here's just a couple of questions for all the non-newbies out there: 1) Does anyone know where I can find English Software/Manuals to download for the RIS1.5? (Mine are German & French). I've called (...) (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Line following program?
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My son and I are just getting started wtih the Invention System 1.5 and are wondering if there is a version of a line following program included anyplace. We have the ROBOLAB software for Mac. Non of the programs included look like they will follow (...) (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Re: Digital Camera
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If you are thinking about the Sony Mavica, consider the Olympus C3000/C3030, incredibly good image quality, 3.3 Megapixel images, 16 or so possible quality settings, I use the HQ setting and a 64MB smartmedia card to get over 80 shots before I need (...) (25 years ago, 28-Dec-00, to lugnet.general, lugnet.off-topic.geek, lugnet.robotics, lugnet.technic)
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| | Re: Digital Camera
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ummm, the Mars Exploration Expansion Pack doesn't come with a camera at all... from what i have heard it pretty much sucks. just a few parts that are cool and the longest wires you canget that is all. m. (25 years ago, 28-Dec-00, to lugnet.general, lugnet.off-topic.geek, lugnet.robotics, lugnet.technic)
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| | Lego laser pointers
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A year or so ago, someone was selling lego laser pointers on the list. I was wondering if anyone would still be willing to sell me 2. Andy (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Re: Different motor speeds?
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(...) Well, we've talked a bout this quite a lot over the past month or so - and as I'm sure others will say - you can't guarantee that all motors have identical speeds - and it's known that the motors spin slightly faster "forwards" than (...) (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | MacNQC and RCX Troubles
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I just got RIS1.0 and can't seem to get the RCX to respond using MacNQC or RCX Command Center running under Virtual PC 3.0. My cabling seems ok (using Palm 3 mac serial port adapter) as the green light on the IR tower comes on whenever I send a (...) (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Re: Digital Camera
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"Rainer Balzerowski" <balze2@gmx.net> wrote in message news:G6ALIG.JtH@lugnet.com... (...) 2)Vision (...) what (...) our (...) Yup. (...) Nope. (...) better) Really? (...) Sure!! Email me at Arcanamachi@netzero.net Hows about sending me the same (...) (25 years ago, 28-Dec-00, to lugnet.general, lugnet.off-topic.geek, lugnet.robotics, lugnet.technic)
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| | Re: Digital Camera
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(...) You want to buy a vision command set to use the camera for photographing our lego inventions, right ??? Have you ever seen an image made with such a camera ?? (It's a logitech webcam, i find the results from my cheap noname webcam better) If (...) (25 years ago, 28-Dec-00, to lugnet.general, lugnet.off-topic.geek, lugnet.robotics, lugnet.technic)
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| | Re: ROBOLAB for non PowerPC macs?
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(...) Hi Robert, I think that ROBOLAB only is running with PowerPC macs. If you want to realise Lego robots with an older mac you have to do this with NQC. NQC is fat and runs with both PowerPC and 68000 macs. Ralf (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | EToys sale
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EToys (who I wouldn't normally buy from) is having an after-holiday sale. A few Mindstorm kits are listed. Here's one that seemed like a great discount: (URL) - Xenon (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Re: Digital Camera
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"Matthew Miller" <mattdm@mattdm.org> wrote in message news:slrn94mt91.6h8.....bu.edu... <snippage> Actually I've made my mind up to get 1) Mindstorms-Mars Exploration 2)Vision command 3) both cause I've read they both come with cameras suited to (...) (25 years ago, 28-Dec-00, to lugnet.general, lugnet.off-topic.geek, lugnet.robotics, lugnet.technic)
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| | Re: Different motor speeds?
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(...) So few days left in the year, eh? (...) According to what I've read, all LEGO motors spin better in one direction than another. And you're going to be hard-pressed to find two motors that spin at exactly the same speed in the same direction, (...) (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Different motor speeds?
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Folks: 1040EST 363-2000 Now that I'm "off and running" with regard to emailing to the list I thought I'd ask a question that's been going through my mind. I've build a very (VERY) simple robot that basically consists of two medium sized wheels (...) (25 years ago, 28-Dec-00, to lugnet.robotics)
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| | Re: Studios camera working with Mindstorms
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oops, not I but *You* might want to try and get details on the software included in #9736 Exploration Mars too. Marco C. aka McViper ___...___ Work mailto:mcviper@geocities.com Home mailto:mcviper@clix.pt (25 years ago, 28-Dec-00, to lugnet.robotics)
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