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 | | Re: Update on Technic Box #1 (Canadian Tour)
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| LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO LEGO (...) I don't think I'm signed up for this box, but I would sure like some of those wheels, especially larger ones, for the kids at achool. Big wheels, (...) (25 years ago, 11-Nov-99, to lugnet.market.jambalaya)
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lego
(score: 1.062)
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| | RE: Connected Radioshack truck
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| (...) You know what makes REALLY good REALLY cheap shaft encoders? Mice! Get an old mouse that has a broken button (that's usually what goes on mice) and pull it appart. Sometimes, depending upon the kind of mouse, you can get really luckey, and be (...) (29 years ago, 6-Feb-96, to lugnet.robotics.handyboard)
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lego
(score: 0.975)
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| | Quad encoders
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| Thx to the advice of many of you I am using encoders from mice as shaft encoders. The code in the libraries does not seem to take into account encoders with TTL signal in quadrature. Therefore I do not get direction from the current software. Maybe (...) (29 years ago, 11-Feb-96, to lugnet.robotics.handyboard)
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lego
(score: 0.974)
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| | Re: Adding a brain to the handy board
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| (...) Not necessarily. The mini-robots project at the University of Minnesota, Minneapolis, has used a 68HC11-based board for vision processing. The boards were designed and built by an undergraduate working for the Artificial Intelligence (...) (29 years ago, 13-Feb-96, to lugnet.robotics.handyboard)
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lego
(score: 0.974)
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| | Re:Motor speed table question
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| (...) Sure, why not? The way the motor speed table works is that the number is bit shifted out to the motor. Each bit gets the same ammount of time. So if you don't want your motor to move, then you bit shift all zeros. If you want it to run at a (...) (29 years ago, 17-Mar-96, to lugnet.robotics.handyboard)
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lego
(score: 0.971)
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| | *WARM* L293D's on Handyboard
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| Today I ran out to Toys 'R' Us and bought a wired-remote controlled excavator to serve as the base for my HandyBoard. It seems to be causing me a little problem, though. Before I removed it from the controller that contained the battery (...) (28 years ago, 1-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.970)
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| | Re: Handyboard expansion status
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| (...) I don't have one of the beta versions of the expansion board, but I've been building my own expansion boards and putting them on the HB. One thing that I've found is problematic with the HB design, in regards to expansion board design, is that (...) (28 years ago, 7-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.969)
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| | RE: Sonar
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| The Robotics Practitioner is a magazine about robotics targeted more for students and hobbyists than many of the professional Journals. Their email address is: trp@footfalls.com. Other two email addresses in the previous messge are the articlel's (...) (28 years ago, 9-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.969)
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| | Pcode instructions?
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| OK. I know this is going to be a long shot, but here goes: Are there any docs on the pcode? I.e. is there some way that I can learn what I need to learn to modify the source code pcode.asm besides reading the file pcode.asm and tearing my hair out? (...) (28 years ago, 8-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.969)
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| | Re: Servo
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| (...) You need to do a 'load servo.icb' before you do the 'load servo.c' command. The .icb file contains the code described in the servo.asm file, in a binary format. The code in the servo.asm file does the actual work of running the servo output. (...) (28 years ago, 12-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.969)
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| | re:4 line LCDs and other LCD questions
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| (...) HB experts, correct me if I'm wrong, but if someone wanted to use an LCD bigger than 2x16, wouldn't the pcode have to be recompiled? I know that in the pcode.asm file there is reference to displays up to 2x80 (of which I have 4 and none work (...) (28 years ago, 12-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.969)
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| | Re: problem with PCI PowerMacs?
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| (...) Yup. I use my 7200/75 as my only robot development station, and love it. Not a single problem. As11_ic works great, all beat versions of IC work great, even the older version 2 of IC works great. My handyboard couldn't be happier. (except if (...) (28 years ago, 17-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.968)
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| | Re: Handy and mini boards
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| (...) Yup. Worked for me. :-) I used port D on the HB as a 4 bit output, ran a cable from there to port C on the MB, and used one of the Y signals on the HB as a data ready line. On the MB side of things, I just sat in a loop waiting for YX (where X (...) (28 years ago, 21-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.968)
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| | Re: HB pins ?
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| (...) Check out a diaram that I uploaded to cher. It's in postscript as well as GIF format. It has all of this suff on it (and more). I made it out of frustration while I was working on my HB! It's at ftp://cher.media.mit...b/schmalz/ as well as a (...) (28 years ago, 22-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.968)
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| | Re: Thanks for HandyBoard
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| (...) This may not be EXCATLY what you have requested, but it is a close as I've come! Check out how I've added contrast control to my LCD panel. (URL) *Brian Schmalz /---...---+---...---\ | Brian Schmalz | Building autonomous | | 723 E. John Street (...) (28 years ago, 25-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.967)
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| | Re: IC Timing
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| (...) I don't know if this is really the best way to do it, but I hacked this up real quick for a previous project. You put the stuff you want to time inside the loop. It will print out the numer of times the loop executes per second. The display is (...) (28 years ago, 27-Apr-96, to lugnet.robotics.handyboard)
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lego
(score: 0.967)
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| | motors
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| HI, Can anyone tell me where to get some good motors that are more powerfull than the LEGO 9V motor but can be implemented into the LEGO's? I want to use the LEGO kit with the suspension, front and rear wheel steering and drive, and 4 speed shifting (...) (28 years ago, 3-Jun-96, to lugnet.robotics.handyboard)
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lego
(score: 0.966)
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| | LegoBUG question: I can't find item # 5146/7
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| Dear All, I am writing a purchase request for buying the parts of LegoBUG. I refer to Allen Ambler's list to identify the required items. By looking at the Lego Catalog I was able to find all Lego parts, except the item # 5146 or 5147 ("plates (...) (28 years ago, 8-Jul-96, to lugnet.robotics.handyboard)
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lego
(score: 0.963)
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| | Re: Newbie Questions (Sensors)
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| (...) using the LEGO light and angle sensor is non-trival; custom HW and SW drivers are required. See ftp://cher.media.mit...gosens.txt for details. (...) 0-12 inches is hard, but 0-1 or 2 inches can be done with a simple IR reflectance sensor. See (...) (28 years ago, 11-Jul-96, to lugnet.robotics.handyboard)
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lego
(score: 0.963)
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| | status of the expansion board
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| Hi all, Many people are asking about the Expansion Board. It has been on the "back burner" because my publisher is demanding text, not technology. But I do plan to release another rev this summer. My ideas about what should go on it have evolved, (...) (28 years ago, 11-Jul-96, to lugnet.robotics.handyboard)
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lego
(score: 0.962)
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