 | | Re: Finished! Quadro Assembly Carousel
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"Guido Heunen" <heunen@esrf.fr> wrote in message news:Gx6EIA.79@lugnet.com... (...) If you mean like, one of those MLCAD or LDRAW files, no I don't. I've fiddled around a little bit with that program but not enough to understand how to connect (...) (23 years ago, 4-Jun-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: Finished! Quadro Assembly Carousel
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Iain, Do you have a .dat file available of your neat machine. I would like to understand more of the mechanisms you used. Guido (23 years ago, 4-Jun-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | RE: Request for designs
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FYI, the Ferrari brothers' book masterfully covers all of the topics you list, and in a coherent sequence as well (IMHO). Dave Baum covers a subset of them with more emphasis on programming in his book. No NQC in FLL? Ack! --Russ (...) (23 years ago, 4-Jun-02, to lugnet.robotics)
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| | Re: Request for designs
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(...) Maybe it would help to lay out the format of the training course. 1. Structures I start out with how to build strong structures. There is a discussion of LEGO joining techniques. When is a friction type connection OK, and when is bracing (...) (23 years ago, 4-Jun-02, to lugnet.robotics)
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| | bug in setting lnp host address?
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include/lnp/lnp.h (from the cvs repository) 114: file://! set new LNP host address 115: extern inline void lnp_set_hostaddr(unsigned char host) 116: { 117: lnp_hostaddr = ((host << 4) & CONF_LNP_HOSTMASK); 118: } Why is host bitshifted by 4? This (...) (23 years ago, 4-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: Request for designs
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In lugnet.robotics, Dave Baum writes: But I can't overstate (...) My favorite reference on the simple stuff is (URL) but good. Roger (23 years ago, 4-Jun-02, to lugnet.robotics)
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| | Re: Request for designs
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(...) That's true - I hadn't appreciated the level these people were at. In that case may I strongly recommend a classic: "The Art of Lego Design" by Fred Martin. You can find it in several places: (URL) could perhaps get these people to read it (...) (23 years ago, 3-Jun-02, to lugnet.robotics)
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| | Re: Request for designs
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(...) I ran a training session for FLL coaches last year. Some coaches already have Mindstorms experience - those aren't the ones that need training. Many of the others had never played with Technic or Mindstorms before. We spent over an hour on (...) (23 years ago, 4-Jun-02, to lugnet.robotics)
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| | Re: Request for designs
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(...) I think you should toss in some weird ones: Bipeds, Quadrupeds. Shrimps. Killough platforms (a personal favorite of mine). Er - those weird wheels that have rollers instead of treads so they can roll smoothly sideways - what are those called? (...) (23 years ago, 3-Jun-02, to lugnet.robotics)
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| | Request for designs
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I am writing up some coaches training materials for First LEGO League (FLL) in Minneapolis MN and I need some help with examples of various robot designs. I plan on covering: Platforms: Differential Drive (2 drive wheels, 1 or more casters) (...) (23 years ago, 4-Jun-02, to lugnet.robotics)
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| | Hacking RS232 port to RCX
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Mike (...) I did. It's not on my web pages but I believe it to be on (URL) Stef Mientki (s.mientki@mailbox.kun.nl) said he'd put it on his web site too. Peter (23 years ago, 3-Jun-02, to lugnet.robotics)
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| | Displaying info while debugging
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Hi, I would like to be able to show some info on the Terminal Emulator while debugging, but it seems that pbForth "keeps" the info until the program is over. For example: : TEST 100 0 DO I CR . 7 1 0 MOTOR_SET LOOP 7 4 0 MOTOR_SET ; will start the (...) (23 years ago, 3-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | RE: New LEGO Mindstorms Book
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Don, congratulations on getting your book done. Could you please include an ISBN and an Amazon link when they become available... Cheers, Ralph (...) (23 years ago, 3-Jun-02, to lugnet.robotics.rcx)
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| | Re: help with setting up legOS 0.2.6 on Windows XP
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Scott, I suggest you start by following the instructions by Paolo Masetti found at (URL) He has written a pretty thorough set of instructions that should get you started. I do suggest that you read it over once BEFORE starting so you don't miss (...) (23 years ago, 2-Jun-02, to lugnet.robotics.rcx.legos)
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| | help with setting up legOS 0.2.6 on Windows XP
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I'm new to legOS and would like help setting up legOS on my computer thanks scott (23 years ago, 2-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: Lego mindstorms on Windows 95...
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That's because the current IR tower requires USB and Windows 95 didn't support USB (well, except for Windows 95B but I think most of the USB drivers were custom/non-standard). It might work with Windows 95 if you get the old serial tower. I picked a (...) (23 years ago, 2-Jun-02, to lugnet.robotics.rcx)
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| | New LEGO Mindstorms Book
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|
Hi Everyone, | |I just completed a manuscript for a new Mindstorms book entitled "LEGO |Mindstorms Interfacing". This book explains using electronic circuits, |VBA(Visual Basic for Applications), LASM, NQC, and IC4 (Interactive C) |for controlling (...) (23 years ago, 2-Jun-02, to lugnet.robotics.rcx)
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| | New Mindstorms Book
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|
Hi Everyone, I just completed a manuscript for a new Mindstorms book entitled "LEGO Mindstorms Interfacing". This book explains using electronic circuits, VBA(Visual Basic for Applications), LASM, NQC, and IC4 (Interactive C) for controlling (...) (23 years ago, 2-Jun-02, to lugnet.robotics.edu)
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| | Lego mindstorms on Windows 95...
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Hi Folks, Could someone please tell me if Lego Mindstorms works with Windows 95 ? The Lego Web site says that it works with Windows 98 BUT NOT with 2000/NT. Nothing about 95. Please help. Harpreet ======== (23 years ago, 2-Jun-02, to lugnet.robotics.rcx)
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| | Re: Mac OS X
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Ed, Thanks, I was familiar with that thread. Unfortunately not much useful info came out of it. I was hoping for a report from someone who was ultimately successful in building legOS and its tools, as well as building the cross-compilers on a USB OS (...) (23 years ago, 2-Jun-02, to lugnet.robotics.rcx.legos)
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| | Running Vision Command on XP
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Thanks for the advice, I now have VC working on Xp. I had one idea which made the process easier. I installed VC on a separate Win98 partition (C:\) on my HD. Since Xp can use the FAT32 Win98 partition, I didn't have to transfer the VC files to (...) (23 years ago, 2-Jun-02, to lugnet.robotics.vc)
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| | Re: Promising software
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(...) I went over to the colibri.org website, and while they mention that "colibri currently supports one hardware platform - the Lego RCX brick", they also say that putting it in an RCX is "not useful", and actually tell people to use legOS (...) (23 years ago, 29-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Mac OS X
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Brian, Someone recently asked the same question. Check out (URL) am not sure the results of their efforts so good luck! Ed (...) (23 years ago, 1-Jun-02, to lugnet.robotics.rcx.legos)
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| | Does SDK 2.0 work with RIS 1.5 (RCX 2.0)
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Hi, I have RIS 1.5 and with an RCX 2.0 brick, I have downloaded the SDK 2.0 but the sample programs report Error (0xe0050c98) from VPBrick vpb: bad (unsupported) PBrick type Is this because I am using RIS 1.5? And if so can anyone tell me if it's (...) (23 years ago, 1-Jun-02, to lugnet.robotics.rcx)
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| | MoTeC Winners: April
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Hi all! After some fuss about rules etc. I've decided to keep the model that "broke" the rules since it's rulebrake was minor and of no use for the model. Sorry about the locomotion. Overall winner: Brian Sadowski with his Shrimp rover! 29% of the (...) (23 years ago, 1-Jun-02, to lugnet.announce, lugnet.build.contests, lugnet.robotics, lugnet.modelteam, lugnet.technic)
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| | Mac OS X
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Hi, Has anyone had any success with building the legOS system under Mac OS 10.1.4? I downloaded version 0.2.6, put it in my user application folder, and then just typed make. Here is the result. [tw3rakitin:~/bin] rakitin% cd legos-0.2.6 (...) (23 years ago, 1-Jun-02, to lugnet.robotics.rcx.legos)
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| |
| | RE: What's next for MindStorms
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Was someone saying these were as programmable as a Microscout? (23 years ago, 31-May-02, to lugnet.robotics)
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| | Re: What's next for MindStorms
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Why aren't these messages threading properly? -Rob. (...) (23 years ago, 31-May-02, to lugnet.robotics, lugnet.admin.general)
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| | Re: What's next for MindStorms
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(...) <set:8539> The receivers can be controlled with an RCX via IR: (URL) (23 years ago, 31-May-02, to lugnet.robotics)
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| | RE: What's next for MindStorms
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Just in case you live outside the US or in some area where Lego won't sell Mana's via Shop@Home, check out these sites: (URL) you do want to check out Lego's S@H site, the Manas are set #8539. They also have www.bionicle.com -----Original (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | Re: What's next for MindStorms
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(...) Yeh, 200 parts for $60 isn't all that great of a deal. Actually, the pictures make it look like the kit is just a big computer/motor brick with wheels. However, I've got to admit the three-spoked wheel looks pretty cool! (...) That's the hunch (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | RE: What's next for MindStorms
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(...) What are Bionocle Manas? Can someone throw me a quick link to an image or spec sheet? These sound like a nice way to get rid of some money. ;) (23 years ago, 31-May-02, to lugnet.robotics)
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| | RE: What's next for MindStorms
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|
I would have to agree with Rob here. If the Spybots can not communicate with other Mindstorms stuff then they become a 30 day toy. Its amazing the Lego price for a short-term kit is $60.00. Maybe I need to find a job in Denmark! My family and I are (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | Re: What's next for MindStorms
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(...) I just hope that these Spybots can interface with Mindstorms. I wold imagine, since the Spybot tower looks to be IR, that the Spybot 'bots can also take IR commands from the RCX The Scout and the Microscout (VLL thru the Scout) can be (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | RE: What's next for MindStorms
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The 40t double-bevel gear is one I haven't seen before. The smaller two are readily available in the various Bionicle kits. Gigamesh interests me because of all those gears, the 12 triple rotors, and the 18 bogey wheels. Snaptrax, Shadowstrike, and (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | Re: What's next for MindStorms
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I also ran a search and found the portfolio of someone who worked on the project: (URL) are photos of the original ideas for the sypbots and the beacon. Interesting to see how much the spybots changed. Info at this site says they won't be released (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | Re: What's next for MindStorms
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It looks like it's more along the lines of the micro-scout, but it sounds a bit more capable. The $60 price can include more smarts, because there aren't that many lego parts with each, only about 200. I'll bet AFOL's can find a lot more to do with (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | Re: What's next for MindStorms
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(...) Thanks to you amazon.com reference, I did some searching and came up with this review: (URL) it doesn't seem to be a true MindStorms kit. Here's a quote from the reviewer: "...the Spybotics line draws its roots from the ever-popular MindStorms (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | Re: What's next for MindStorms
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I think there are plans for new kits and the theme is spying. If you go to the legomindstorms site and login you will see that there is a game about spying (found under community/games/ then chose Robohunter 2). Further, if you go to Amazon (see (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | What's next for MindStorms
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|
I've noticed that the price of the MindStorm accessory packs has been dropping, and that Lego has introduced new sets for just about every line /except/ MindStorms (and Technic, Bionicle excluded). What's going on??? Has Lego got something really (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | LegOS presenter wanted
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BrickFest 2002 is still actively looking for someone to give a LegOS presentation. If your are planning on being at BrickFest (and who wouldn't be) and have successfully wrestled LegOS into submission, please think about telling us how you did it! (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| |
| | RE: Hacking RS232 port to RCX
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|
Perhaps this is what you're looking for: (URL) this helps. -----Original Message----- From: Mike Reddy [mailto:mreddy@glam.ac.uk] Sent: Friday, May 31, 2002 6:11 AM To: lego-robotics@crynwr.com Subject: Hacking RS232 port to RCX Hi, did a search but (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | Hacking RS232 port to RCX
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|
Hi, did a search but found naught. Has anyone hacked a direct RS232 interface to the RCX who could b=give me the bu=its to cut, solder and pray about? I am wanting to interface to another processor with wireless LAN for a DTI funded education (...) (23 years ago, 31-May-02, to lugnet.robotics)
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| | Re: LegOS / Orignal Firmware
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|
Thanks "Ross Crawford" <rcrawford@csi.com> wrote in message news:Gwy7Bn.DJu@lugnet.com... (...) this (...) this (...) can (...) (23 years ago, 31-May-02, to lugnet.robotics.rcx.legos)
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| | Re: LegOS / Orignal Firmware
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(...) You can use the original LEGO download if you remove legOS first - this can be done by pressing the on/off button while holding the run button. HTH ROSCO (23 years ago, 30-May-02, to lugnet.robotics.rcx.legos)
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| | Phantom Updated (spirit.ocx replacement)
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|
I have updated the Phantom.dll component to fix a minor bug and some clean up of the source code. Both updated source and binaries are available at: (URL) Jacquemin kjacquemin@cox.net (23 years ago, 30-May-02, to lugnet.announce, lugnet.robotics, lugnet.robotics.rcx)
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| | LegOS / Orignal Firmware
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|
Hello All! If I have installed LegOS on the RCX (I have not done this yet!) and I want to go back to the orignal lego firmware, is it still possible to use the firmware download option in the orignal Minstorm Software? or I'll have to use firmdl3 (I (...) (23 years ago, 30-May-02, to lugnet.robotics.rcx.legos)
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| |
| | Robot Museum
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(URL) West Lugnet Member 63 (23 years ago, 30-May-02, to lugnet.robotics)
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| |
| | Re: NYTimes.com Article: Robots Find a Muse Other Than Mayhem
|
|
Check out the Sumi-eBot. It's done with Mindstorms. (...) Lugnet Member 63 (23 years ago, 30-May-02, to lugnet.robotics)
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| |
| | Re: NYTimes.com Article: Robots Find a Muse Other Than Mayhem
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|
Their website is here: (URL) Jürgen Stuber <stuber@loria.fr> (URL) (23 years ago, 30-May-02, to lugnet.robotics)
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| | NYTimes.com Article: Robots Find a Muse Other Than Mayhem
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|
This article from NYTimes.com has been sent to you by lugnet@jameswest.com. Ok, lets see if this works... lugnet@jameswest.com /---...--- advertisement ---...---\ Enjoy new investment freedom! Get the tools you need to successfully manage your (...) (23 years ago, 30-May-02, to lugnet.robotics)
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| | Robot article in the NYTimes
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(URL) Find A Muse Other Than Mayhem Jim West Lugnet Member 63 (23 years ago, 30-May-02, to lugnet.robotics)
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| |
| | Review of "Core LEGO MINDSTORMS Progamming" on slashdot
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(URL) (23 years ago, 29-May-02, to lugnet.general, lugnet.reviews, lugnet.robotics.rcx)
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| |
| | BrickFest 2002 Competition Rules
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|
Please note that the BrickFest web site has been updated. (URL) has details about the competitions which will take place on each day of the event. Please refer to; (URL) the original post about this event. JB (23 years ago, 29-May-02, to lugnet.technic, lugnet.robotics)
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| |
| | Re: Generate LASM Cmd?
|
|
The text box to wire to the LASM Cmd connector on the Generate LASM cmd.vi can be found in the Internet menu under Functions. The commands in this pink bordered box can be entered with the text tool. (23 years ago, 28-May-02, to lugnet.robotics.rcx.robolab, lugnet.dacta, lugnet.edu)
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| | Promising software
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|
Hi everybody, there seems to be a new RCX operating system starting right now. Look at the following page: (URL) (23 years ago, 27-May-02, to lugnet.robotics.rcx.legos)
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| |
| | Generate LASM Cmd?
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|
Has anyone figured out how to use the Generate LASM Cmd in Robolab 2.5? Help says: “Simply wire in the lines of text into LASM Cmd and have the Begin and End wires on either side.” But how is that done? I can’t find a text tool that will produce (...) (23 years ago, 27-May-02, to lugnet.robotics.rcx.robolab, lugnet.dacta, lugnet.edu)
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| |
| | Re: [ANN] pbForth Version 2.1.4 Release and Music Tutorial
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|
Hi Ralph, (...) Thank you very much :-) (...) I gave it a look and so I've just released the new version of my Brick's Music Studio that supports pbForth. I'm not a pbForth user yet, so I was wandering if you and Mario could give it a try :-) You (...) (23 years ago, 27-May-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
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| | [ANN] pbForth Version 2.1.4 Release and Music Tutorial
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|
The new 2.1.4 Version of pbForth has a minor fix that affected programmers using the MARKER word. I recommend you get the new 2.1.2 GUI while you're at it because it is less agressive in stripping comments when uploading scripts. This was causing (...) (23 years ago, 25-May-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
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| |
| | Re: New resource for the DACTA interface 70909 - Update 2
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|
"Anders Isaksson" <isaksson.etuna@REMO...tninet.se> skrev i meddelandet news:GwJ4Lz.1BF@lugnet.com... (...) interface to the 70909 has been encapsulated into a separate object, having methods for all the output commands, and properties for the (...) (23 years ago, 25-May-02, to lugnet.robotics, lugnet.loc.se)
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| | Re: Finished! Quadro Assembly Carousel
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|
(...) Silicone spray does'nt hurt your Lego parts; I use it on those small balljoints like in the Supercar suspensions... Gr, Sibo (23 years ago, 25-May-02, to lugnet.robotics)
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| | Re: Finished! Quadro Assembly Carousel
|
|
"Jerry Kalpin" <jdkalpin@sympatico.ca> wrote in message news:GwnCsB.3IC@lugnet.com... (...) sure (...) Cool! My favourite kind of automation is where there are pallets or interlocking carousels. It's a concept that really fascinates me. (...) (...) (23 years ago, 25-May-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: Finished! Quadro Assembly Carousel
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"David Koudys" <dkoudys@redeemer.on.ca> wrote in message news:GwMCE3.Er3@lugnet.com... (...) Thanks everyone for all your coments :) Iain (23 years ago, 25-May-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| |
| | Re: New resource for the DACTA interface 70909 - Updated
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|
(...) It looks awesome! Could you upload a binary, for those of us without Delphi? - Jacob (23 years ago, 24-May-02, to lugnet.robotics, lugnet.loc.se)
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| |
| | Re: Finished! Quadro Assembly Carousel
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|
(...) Iain, I have to add my congratulations for this project! I have worked on many real-world carousel assembly machines, including one that assembles 35mm film casettes and one for firearm cartridges. You sure have captured the appearance of a (...) (23 years ago, 25-May-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: Finished! Quadro Assembly Carousel
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Inspiring model. The excellent movie provides an effective internet medium to present such a fascinating moving model. Keep up the good work. (...) (23 years ago, 25-May-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: Finished! Quadro Assembly Carousel
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|
Really great construction, very cool movie (but with one colored marble the cycle would have been easier to follow...) ...and you built that in only 3 1/2 h ???? I still have to improve a lot my building skills :p Philo www.philohome.com (...) (23 years ago, 24-May-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: Finished! Quadro Assembly Carousel
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(...) Oh My Goodness!! Was that ever fun to watch! You never cease to inspire me--the Delta 'bot at the last competitoin was beautiful to watch, and so is this! Iain, Keep up the great work! Dave (23 years ago, 24-May-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| |
| | Re: NQC "No reply from RCX" Help Please
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|
(...) Well, I reinstalled Windows XP and then installed RIS 2.0 and NQC/BRICXCC and everything worked like a dream. I have no idea why it wouldn't work before (did everything the same). Strange that it would work in RIS 2.0 but not in NQC or (...) (23 years ago, 24-May-02, to lugnet.robotics)
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| | Re: Finished! Quadro Assembly Carousel
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Whoa! Great piece of work, Iain. Nobody does this better than you. You are the marble king! The movie shows a very smooth operation. I don't see any "flying marbles". Very well engineered and fun to watch. BTW your presentation is very professional. (...) (23 years ago, 24-May-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| |
| | Re: Setting LNP host address
|
|
(...) Why not allow all 4? 1. Have a build option that the variable is set to by default; 2. An option on firmdl3 over-rides this if required; 3. An option on dll over-rides this if required; 4. An API (macro or in-line sub) to set it from a user (...) (23 years ago, 24-May-02, to lugnet.robotics.rcx.legos)
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| | Finished! Quadro Assembly Carousel
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|
(URL) was tonight's project. My first marble project in a long time! Includes a video, and lots of pictures. Enjoy! Iain (23 years ago, 24-May-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: Setting LNP host address
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|
At first, it seems logical that firmdl3 would be the best place to make the change. However, it was very easy to allow the Host ID to be changed at runtime. Whether changed by a user program or changed via the RCX buttons/lcd, it is easy enough to (...) (23 years ago, 24-May-02, to lugnet.robotics.rcx.legos)
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| |
| | Mindstorms and Java
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|
I don't know if this has made it to this list yet or not: (URL) _ ---...---ooO( )Ooo---...--- Kyle J. McDonald (o o) Systems Support Engineer Sun Microsystems Inc. ||||| Enterprise Server Products Kyle.McDonald@Sun.COM 1 Network Drive BUR03-4630 (...) (23 years ago, 24-May-02, to lugnet.robotics)
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| |
| | Review of Jin Sato's LEGO MindStorms: The Master's Technique
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|
Just found this review on Slashdot (URL) if the link wraps... FUT: .robotics.rcx ROSCO (23 years ago, 24-May-02, to lugnet.robotics.rcx, lugnet.mediawatch, lugnet.reviews, lugnet.general)
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| | Re: New resource for the DACTA interface 70909 - Updated
|
|
(...) I've updated the page with some more info, and there's also a new version of the program, which is much more stable communications-wise (I can pull the serial cable and put it back again, and things still function!). -- Anders Isaksson, Sweden (...) (23 years ago, 23-May-02, to lugnet.robotics, lugnet.loc.se)
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| |
| | FS: 3804 MINDSTORMS 2.0 New
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I have the MINDSTORMS ROBOTICS INVENTION SYSTEM 2.0 for sale for $149.00. New and unopened. I have thousands of ebaY and BrickLink references. I prefer to ship within the USA. Any foreign shipping will be very expensive. Please email me at (...) (23 years ago, 23-May-02, to lugnet.robotics, lugnet.market.buy-sell-trade)
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| | Vision command $25 at etoys.com!
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(...) Bruce ---...--- WWW.SYSTRONIX.COM Real embedded Java, fast 8051s, & more +1-801-534-1017 Salt Lake City, USA ---...--- (23 years ago, 23-May-02, to lugnet.robotics)
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| | Re: Code-examples, books and papers in C/C++ for legOS?
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(...) The best I've seen (and I've not seen all material available) is still Luis Villa's work: his HOWTO at our site ((URL) and that which is published in the book "Extreme Mindstorms" ISBN: 1-893115-84-4 Another good source is the customized HOWTO (...) (23 years ago, 23-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Code-examples, books and papers in C/C++ for legOS?
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(...) There are, of course, many mindstorms books out there. I see in them (I have purchased at least six of them) that the majority of code examples is in NQC. As you might know we are working on the next major release and in that context let me (...) (23 years ago, 23-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Setting LNP host address
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(...) Joe Woolley prototyped the firmdl3 mods, I think, and has now a user program which can change the Id. This now makes 4 approaches we have to consider ;-) My thinking on firmdl3 use was that it is a direct replacement for compile time set that (...) (23 years ago, 23-May-02, to lugnet.robotics.rcx.legos)
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| | Re: What is exception "StackOverflowError" in method "<clinit>"
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(...) The first time a method is called the class gets initialized, and the stack overflow happened in the initialization method <clinit>, so nothing mysterious there. (...) If your program uses a lot of memory (less than 3K free) this is a side (...) (23 years ago, 23-May-02, to lugnet.robotics.rcx.java)
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| | Re: super cheap tilt sensor?
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Luke (...) sensor (...) wild (...) Ideally, you'd use accelerometer chips like the ADXL202 from Analog Devices. (URL) a U-tube (like a manometer) filled with salt-water and a couple of electrodes should work. You could adjust the rate of "slopping" (...) (23 years ago, 23-May-02, to lugnet.robotics)
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| | Re: super cheap tilt sensor?
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A polaroid filter attached to a pendulum works very well indeed. You need a lightbulb, a piece of polaroid attached to a pendulum, a fixed piece of polaroid then a photoresistor. I've made tilt-sensors like that and they're reliable but, of course, (...) (23 years ago, 23-May-02, to lugnet.robotics)
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| | Re: super cheap tilt sensor?
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(...) And of course (as is often the case with such things) - it can't distinguish between (say) a backward tilt and forward accelleration. ---...--- Steve Baker ---...--- Mail : <sjbaker1@airmail.net> WorkMail: <sjbaker@link.com> URLs : (8 URLs) (23 years ago, 22-May-02, to lugnet.robotics)
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| | RE: Code-examples, books and papers in C/C++ for legOS?
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Hi, please post any programs to the group, or e-mail me as well. I am always interested in looking through example code, to see how others are doing things and to get new ideas. Thanks -----Original Message----- From: news-gateway@lugnet.com (...) (23 years ago, 22-May-02, to lugnet.robotics.rcx.legos)
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| | New resource for the DACTA interface 70909
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I bought this interface (70909) and some sets (9701, 9702) recently, and have experimented a bit with it. Of course I found the accompanying software (TechnoLogica) nice, but lacking, so I just had to start rolling my own instead. This is just (...) (23 years ago, 22-May-02, to lugnet.robotics, lugnet.loc.se)
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| | Re: super cheap tilt sensor?
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I saw this, and I came up with an idea that some might consider cheating (...) Could you create a runner to stand between the wheels, with a rotation sensor on it? the only connection between the runner and the body of the bike would be a shaft to (...) (23 years ago, 22-May-02, to lugnet.robotics)
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| | Re: What is exception "StackOverflowError" in method "<clinit>"
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(...) Yes, you are both right (Thanks anyway) 1. TextLCD.print() works perfectly when called from simple programs 2. My code is most probably using too deep calls (Why is this not covered in the 10/10 'Core' book of Bagnall) BUT, QUESTION FOR YOU (...) (23 years ago, 22-May-02, to lugnet.robotics.rcx.java)
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| | Code-examples, books and papers in C/C++ for legOS?
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I am a swedish student that togheter with my colleague are working with legOS on a project: (URL) would welcome some suggestions about literature in C/C++ with legOS. Anything could be of interest. (23 years ago, 22-May-02, to lugnet.robotics.rcx.legos)
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| | RE: super cheap tilt sensor?
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I once tried to build a two wheeled robot (like a motorcycle) that would balance by steering (just like a bike) - but I never did get a tilt sensor that was fast enough to stop it toppling over without also generating wild overshoots and basically (...) (23 years ago, 22-May-02, to lugnet.robotics)
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| | RE: super cheap tilt sensor?
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For some reason, I didn't consider "centered" as a valid position... error on my part (big time). However, if the weight were spinning constantly, perhaps "center" and "tilt" could be determined... If the speed is constant over a full revolution, (...) (23 years ago, 22-May-02, to lugnet.robotics)
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| | Re: super cheap tilt sensor?
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I had to copy and paste that into notepad to get it to display properly. I see what you mean now... though it is only useful when there is a tilt - it wouldn't be able to detect if something is centered. "Rob Limbaugh" <lego-robotics@crynwr.com> (...) (23 years ago, 22-May-02, to lugnet.robotics)
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| | RE: Designing a bipedal robot leg
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Here's a couple others: Bipedal "robot" that uses no electronics or rotating parts: (URL) 3D animated modeling of human walking (view can be adjusted to different angles): (URL) Message----- From: Andy Gombos [mailto:gombos_2000@...hlink.net] Sent: (...) (23 years ago, 22-May-02, to lugnet.robotics)
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| | RE: super cheap tilt sensor?
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What I attempted to describe was a single-sensor solution. Hopefully this ASCII drawings below will help clarify my thoughts... Viewed from above ---...--- ____ _ | |] | | | |] Wheel or --> | |=======O |] <--- rotation weight |_| |____|] sensor (...) (23 years ago, 22-May-02, to lugnet.robotics)
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| | super cheap tilt sensor?
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Luke (...) If you want super cheap, you could experiment making something like a mercury tilt switch but filled with salt water. The resistance will vary with how much of the electrodes are submerged. Peter (23 years ago, 22-May-02, to lugnet.robotics)
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| | Re: NQC "No reply from RCX" Help Please
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(...) Hum, says: nqc version 2.4 r3 (built Mar 24 2002, 16:32:33) Thought I had r2 for some reason, but it says same thing if I fully path it. (...) (23 years ago, 22-May-02, to lugnet.robotics)
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| | Re: remote control
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(...) The others already explained what it does with the LEGO firmware, so I thought I just add how it works and what it can do with leJOS or legos. The remote sends a single kind of command called RemoteCommand that contains 16 bits, one for each (...) (23 years ago, 22-May-02, to lugnet.robotics)
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| | Re: super cheap tilt sensor?
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(...) I was thinking about a two legged robot - but a motor-bike robot would be pretty amazing. I might try doing that myself. (...) apart (...) quickly - (...) much. (...) be (...) I'm not a lego purist though. What I do is break a 2x4 electric (...) (23 years ago, 22-May-02, to lugnet.robotics)
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| | Re: super cheap tilt sensor?
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(...) Yes - that's right. (...) I once tried to build a two wheeled robot (like a motorcycle) that would balance by steering (just like a bike) - but I never did get a tilt sensor that was fast enough to stop it toppling over without also generating (...) (23 years ago, 22-May-02, to lugnet.robotics)
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