 | | Re: Turning a robot 90 degrees
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>does anyone have a foolproof method of turning an RCX tracked robot 90 >degrees precisely? >I've thought of motor timing, but surely that would be affected by >battery power. >The only solution I can think of is some sort of rotation sensor (...) (25 years ago, 13-Nov-00, to lugnet.robotics)
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| | Any one has 2 rcx's?? can a irda prot in a window based machine help in corol of the RCX?
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Hi All , Any one has 2 Rcx ?? can nqc support control of 2 rcx's for work together?? Does irda port of a windows based machine help in cotrol of a RCX ? Mac (25 years ago, 14-Nov-00, to lugnet.robotics)
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| | Turning a robot 90 degrees
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does anyone have a foolproof method of turning an RCX tracked robot 90 degrees precisely? I've thought of motor timing, but surely that would be affected by battery power. The only solution I can think of is some sort of rotation sensor (...) (25 years ago, 13-Nov-00, to lugnet.robotics)
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| | Cheap 9V motors in Holland
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Voor de Hollanders: V&D ruimt ZNAP op voor halve prijzen. 3552 bevat een 9V motor + batterijdoos en twee flex-assen voor f25,- (oja, en je krijgt wat van die ZNAP handel kado). Ik geloof dat de motor los al 40+ kost...... For the rest of you: V&D, a (...) (25 years ago, 15-Nov-00, to lugnet.loc.nl, lugnet.robotics, lugnet.technic)
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| | Re: AI in RCX
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I hope that the subject of AI in RCX is not discarded yet. The project is really challenging, but I think worth to be taken. Controlling robot is a complex task, or rather a set of tasks. I think that it would be a good (practical) approach to (...) (25 years ago, 15-Nov-00, to lugnet.robotics)
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| | Re: AI in RCX
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In fact, I had already worked out the 1st NN by working on the RCX with my PC using VB (after studying NN hardly as I am fresh to it) This NN is in the sturcture of Hamming network that can recognize the environment prototype by reading the (...) (25 years ago, 15-Nov-00, to lugnet.robotics)
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| | Re: Another Technic Creation
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I find myself half agreeing here. The model is great. Is it something a parent would buy for a ten year old these days for $120? I tend to doubt it, for many of the reasons already discussed on this network before. But; I built my 8480 before its (...) (25 years ago, 14-Nov-00, to lugnet.robotics)
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| | Re: Turning a robot 90 degrees
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R.G.Peel asked: (...) Yes - that and wheel slippage and motor mis-match. (...) You can buy 'official' Lego rotation sensors...but they don't come with either RCS or RDS sets. :-( That doesn't solve the wheel slippage problem though. (...) Two (...) (25 years ago, 13-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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I am using it, not with Vision Command, but with my own barcode recognition software. (See my post (URL).) Compared with the cheap, tethered digital cameras out there, the image quality of XCam2 is quite poor, but it is still workable for my (...) (25 years ago, 14-Nov-00, to lugnet.robotics)
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| | Re: Charge!
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(...) I'm not sure if I'm thinking of the same riff as you are, since mine has far fewer notes, but its worth a try... I don't know the "official" key, and I'm doing this without a piano in front of me, but any major chord should do the trick.... C (...) (25 years ago, 14-Nov-00, to lugnet.robotics.rcx, lugnet.robotics)
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| | Re: Charge!
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My son, who does the trumpet in school might have it. We programmed ours with Star Wars and Beethoven's 9th from his sheet music. --Jack Gregory Peter A. Vogel <pavogel@pacbell.net> wrote in message news:G3zHu0.IBx@lugnet.com... (...) Baseball, (...) (25 years ago, 14-Nov-00, to lugnet.robotics)
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| | Charge!
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Hi! My FLL Team would like to have their robot sign the "Charge!" bugle cry at the start of each mission that the robot attempts. I'm musically challenged. Does anyone have the note sequence for the "Charge!" bugle cry often heard at Baseball, (...) (25 years ago, 13-Nov-00, to lugnet.robotics.rcx, lugnet.robotics)
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| | Another Technic Creation
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Hi again folks, I've just put my latest creation online, a Technic figure scale small(ish) excavator. The model is powered by motors and pneumatics, and there are MPEG videos of it working to download. You can find it here: (URL) me know what you (...) (25 years ago, 13-Nov-00, to lugnet.announce, lugnet.technic, lugnet.robotics, lugnet.build, lugnet.loc.uk) !!
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| | Re: Linux & VC (was: X-10 camera interface)
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(...) No, not now... But then again, that kind up support tends (...) Yes, it does. I was hoping someone would step up for it :) Luis (happily watching Linux slowly creep towards world domination) (25 years ago, 12-Nov-00, to lugnet.robotics, lugnet.robotics.vc)
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| | Re: Linux & VC (was: X-10 camera interface)
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(...) No, not now... But then again, that kind up support tends to materialize quite quickly if you provide the developer with the necessary hardware. Which I plan to do ASAP ;-) Regards, Hakan (25 years ago, 12-Nov-00, to lugnet.robotics, lugnet.robotics.vc)
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| | Re: Linux & VC (was: X-10 camera interface)
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(...) I'm on-and-off experimenting with my Vision Command camera (...) So, as I read it, there is no support for this particular chip yet, right? And won't be for the foreseeable future? Luis (25 years ago, 11-Nov-00, to lugnet.robotics, lugnet.robotics.vc)
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| | Re: Vision Command/Movie Maker
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Josh Hunter <optijosh@cs.com> wrote in message news:G3uHoK.5EE@lugnet.com... (...) theres (...) I'm pretty sure they are the same. You might try contacting LEGO, but I'll bet they will tell you that you can't live without the set parts that come (...) (25 years ago, 11-Nov-00, to lugnet.robotics)
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| | Re: Compass update
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(...) navigation: (...) directional (...) compass; (...) even (...) Nice Idea but what is with the f****** cable ?? Rainer (25 years ago, 11-Nov-00, to lugnet.robotics)
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| | Re: Compass update
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(...) Hi, I'm planning of doing this with a light sensor. I'm going to attach a disk with information (stripes of different colors) to the compass, and the light sensor will read the information. I´ll post a message here when I have it ready. Best (...) (25 years ago, 11-Nov-00, to lugnet.robotics)
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| | Vision Command/Movie Maker
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Hey. I was wondering if the two pc cameras lego sells are the same model. they look like it and i want to be able to edit movies n stuff with my VC but i dont want to shell out 200 bucks for a whole new set. you think theres a way to get my hands on (...) (25 years ago, 11-Nov-00, to lugnet.robotics)
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| | Linux & VC (was: X-10 camera interface)
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(...) You are right, the QuickCam Express and the Lego camera have identical vendor IDs (0x046d), but the Product IDs are different (0x0840 for the qce and 0x0850 for the Lego camera). The software can easily check for the right camera ;-) (...) I'm (...) (25 years ago, 10-Nov-00, to lugnet.robotics, lugnet.robotics.vc)
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| | Re: Compass update
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Hello, Here's a challenge for those of you with Lego cameras and want compass navigation: Point the camera at a compass and process the visual information into directional input. It's a bit more crude, but you can get away with almost any old (...) (25 years ago, 10-Nov-00, to lugnet.robotics)
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| | Compass update
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I have been working away at the compass problem for a while. (I suppose it's only a problem if the kinds of things you're using an RCX for involve knowing which way you're pointing ...) I have built a number of compasses based on both Dinsmore and (...) (25 years ago, 10-Nov-00, to lugnet.robotics)
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| | RE: X-10 camera interface
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hi, i've got the same camera, no luck getting vision command to detect it i think lego's not dumb, it's only looking out for its own logitec legocam Eugene Loke -----Original Message----- From: patel [mailto:macx@satyam.net.in] Sent: Friday, 10 (...) (25 years ago, 10-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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(...) This is standard for USB devices, there are codes and strings for vendor and device, and a code for the device class. (...) Not if the LEGO Software looks for the LEGO id. Jürgen "waiting for a free open source equivalent for Linux" (25 years ago, 10-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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(...) Who told you that VC and NQC doesn't work together ?? look at my post from Sep 26 at (URL)So did I miss a posting, or are we all still waiting for a breakthrough ... Think so !! ;-) Rainer (25 years ago, 10-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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(...) Isn't the driver responsible for the appearance in the system settings ?!? I'll try to install a logitech driver later. Then we'll see. Rainer P.S.: Hey ! Is nobody out there with a logitech quickcam who can check this out ???? ;-) (25 years ago, 10-Nov-00, to lugnet.robotics)
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| | Re: CyberMaster online
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Ok, here's the full code up to now. I'm afraid there are no comments yet and please bear in mind that it has been programmed on a Linux machine. If you want to use it, change the pointer to your python interpreter and the name of your serial port (...) (25 years ago, 10-Nov-00, to lugnet.robotics)
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| | Re: Pneumatic Sub parts
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S@h sells it 25? Do they have anymore? Also, where can I get the weekly S@H specials? Jason (...) (25 years ago, 10-Nov-00, to lugnet.robotics)
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| | Re: Vision Command + other cameras
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(...) That's odd. My Mars set didn't have any packaging in it all all. Everything was just thrown in the box and shipped... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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If I were Lego and I was looking to avoid people pirating my software, I'd tie it to my own hardware! An awful lot of people have USB webcams. And the Lego software is quite clever, even if in its current form it cannot be used in conjunction with (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Vision Command + other cameras
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Mars Explorer seems quite happy to use any camera windows has, it is even happy to find and use my Pinnacle video capture card. Vision Command on the other hand, was NOT happy. I had the Logitek QuickCam Pro USB up and running on my system quite (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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(...) I have a feeling Lego put in a "Ident Chip" that tells what it is. That's why it comes up as a Lego Camera in the USB settings. It may fall back to Logitec mode but I don't know if it works the other way around. Dean -- Coin-Op's For Sale!: (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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(...) I didn't try it yet (because i have none) but the Logitech Quickcam could (should) work with the VC software because the other way it works. meaning the lego camera works fine with the logitech SDK. Has anybody tries this ???????? I'm very< (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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(...) I tried. The quality was so bad I gave up. And no, no other camera can use the VC software... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: Opinions on the Ultimate Accessory set
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kbkids.com has it on sale for $39.99 (...) sale and for (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | X-10 camera interface
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Hi All Ive go an X-10 wire less camera , i want to know if any one uses it with the lego , and does it support image recogination with the vision command ?? can i use the softwere and the camera to recognize the opjects?? Patel (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: NQC on Scout
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(...) That's good. Any less then 400 bytes would truly be daft. The system vars and pointers are already taken from the 1k of RAM. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: NQC on Scout
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(...) Yes, that looks about the size of it... Any bytes left over? (Use the -l option in NQC) -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: NQC on Scout
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(...) Variables don't take up space (unfortunately). They're purely register variables. (25 years ago, 9-Nov-00, to lugnet.robotics)
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