 | | HandyBoard and Mini SSC-II
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HiHi, I am a final year student in HongKong, I'm now trying to build a 6-legged robot, with 2 servos per leg. I would like to use the Handyboard interfacing with 2 Mini SSC-II servo controller, but since I am a new player in robotics, I do not know (...) (26 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | BrainStorm version 1.0 available
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BrainStorm version 1.0 released. Brainstorm is a version of the LOGO programming language with added commands and functionality to control Lego MindStorms spirit.ocx. The new commands can be used to write Programs for download as well as giving (...) (26 years ago, 13-Oct-99, to lugnet.robotics.rcx)
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| | RE: HI
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Hi there, Hello there. My name is Alvin. I m currently a student at university of Hertfordshire at UK. I m doing my final year in Electrical n Electronic Engineering. Well actually i m doing an individual project concerning the Lego Mindstorms.vi (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | interfacing the GP2D12
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Somebody asked the other day about a problem interfacing the Sharp GP2D12. I didn't see an answer, and I just did it myself and solved the problem, so here is how to do it. For those who don't know, Sharp just came out with an IR ranging sensor good (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: LEGO Reverse DNS?
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(...) This might help -- I've been doing some research into TLG's networks (hoping to find a publicly accessible content staging server -- a suprising # of web development shops run these) -- here's some info that I've found (all from easily (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Upgading HB to 64K
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Please follow the link bellow if you are interested in upgrading memory on your HandyBoard to 64KB. Note that this upgrade is currently being tested only on HB running the Java VM. (URL) Gasparik (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | RDS Q:
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Please see: (URL) does it mean: "For this function, you will need to program the RCX to send an IR Message (1 through 12) using RCX Code. The Scout will respond to the IR Messages while it is running any program on the display" ? I mean, the Scout (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | More Motor Controller Question
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Thanks Fred. That got me going in the right direction. But...... When I poke a value into $7000 I can see the corresponding input pin on the l293 react. But it will not stay in the position that I set it to. It will return back to the initial state (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: HI
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(...) This is a good starting point that should keep you busy for a while: (URL) know you did not ask about programming environment, but make sure you checkout Mark Overmars' RCXCC at: (URL) fun! Keep us informed of your adventures. hwiguna (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: wireless camera
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Just a note. The German Marklin model train company offers a wireless camera built-in in a 'tiny' H0-scale train car. It's expensive but it prooves the technology is available at a consumer scale. Eric (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | RE: RDS Q:
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The scout has some pre-programmed routines that are activated by receiving a message from the RCX or the IR tower. I listed them in a post to this group, I think the thread was something like "RCX VS the Scout". What I found was that the scout will (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: RDS Q:
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Found. Thanks. Carlo Jeffrey Hazen <jeffrey.hazen@northmill.net> wrote in message news:01BF1619.77F6CE...thmill1... (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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(...) Absolutely not. There is no way that this list is accurate. From what I hear, Lego is not doing any more Episode 1 sets at all. So you can cross off the AAT, MTT and the Two Kaadus right away. Also, multiple mindstorm sets? No possible way. To (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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(...) Well, there's the Mindstorms RIS + 2 expansions, + Cybermaster + Droid Developer Kit + Robotics Discovery Set. (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | RE: LEGO Reverse DNS?
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(...) Ahhh. Last year...is this when you were starting to publish the internals - I think so. At that point I think they might have been casting around looking to see if anyone was actually hacking the RCX. Once they found out what was going on, (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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(...) Right, these are the two official expansions for Lego Mindstorms with the Mars Expedition on the way. That makes 3 total in 2 years. + Cybermaster This is a stand alone system, not Mindstorms. The rumored sets clearly say, "Mindstorm (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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Another day, a different rumor ... www.theForce.net has this poll up: "What vehicle would you most like to see be made into a Lego set? (Not Mindstorms or Technic, remember Falcon, Slave-I, Skiff, A-Wing, AAT, MTT, and B-Wing are coming)." Ah, the (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Rotaion Sensor Sampling Speed?
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Hi all, I'm putting together a mazebot for Mindfest, and ran into a bit of a funny with the rotation sensor. I THINK it has to do with the sample speed, but I'm not positive. I'm using pbFORTH and sampling the rotation sensor in a tight loop. The (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | RE: pbForth
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(...) I think there are some C to FORTH translators at www.forth.org, but the problem is you need to configure them to run on your CPU and then to output FORTH compatible with your target. Not an easy task. Why not just learn FORTH? I learned about (...) (26 years ago, 14-Oct-99, to lugnet.robotics.rcx.pbforth)
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| | Re: Rotaion Sensor Sampling Speed?
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Ralph, I don't know about the specific issues with pbForth, but this summer I was working on a large gear train (for a problem that we have recently "proven" is computationally intractable for the RCX) and dropped about 20 counts out of every 1,000 (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | RE: Rotaion Sensor Sampling Speed?
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(...) Well, I'd need to vibrate things while looking at raw values, which is possible, I guess. I could run the gantry, smaple as long as possible and then store the value in an array... Something like: CREATE BUFFER 5000 CELLS ALLOT ( makes room (...) (26 years ago, 14-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | RE: Rotaion Sensor Sampling Speed?
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(...) I thought the problem was that it vibrated itself? (...) <snip forth code, which looks cool :)> (...) Take a look at the code that Markus sent out a while ago with the new firmdl he cooked up, particularly the code in keepalive.c and the code (...) (26 years ago, 14-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | Re: HI
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Alvin Yap <lego-robotics@crynwr.com> wrote in message news:19991013204452....ail.com... (...) I have a few pages of sensor information: (URL) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: c++
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(...) It depends... One solution is to let the motor float. Another and (I think) obvious solution is to gradually decrease the motor speed by calling SetMotorSpeed (or whatever you call that function) repeatedly with a decreasing speed value. Søren (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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(...) Sure. But the person who got the leaked info might not know that. Early rumors for the R2D2 set called it a Mindstorms R2D2. Same thing, yeah? I'm not saying the rumor is accurate, just that where it says "Mindstorms", it might be fair to read (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | NEW POWER SUPPLY
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I NEED TO KNOW THE EXACT STEPS TO CONNECT A NEW MOTOR POWER SUPPLY TO THE HANDYBOARD WHILE IS HAS THE EXTENSION BOARD CONNECTED TO IT. IT'S TO MY UNDERSTANDING THAT THE EXTENSION BOARD SHARES THE SAME SLOT AS THE NEW MOTOR POWER SUPPLY, IS THE ANY (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: NEW POWER SUPPLY
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This was explained a week or two ago here on the list server. Check back and you'll find out what traces to cut, etc. However, I have found another way that is very simple, and does not require you to make difficult-to-fix cuts on your boards. Just (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: NEW POWER SUPPLY
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Great solution Gary! How about just pulling the L293D/SN754410 from the U11 socket, bending pin-8 out and soldering the REALLY BIG battery positive lead to it, then soldering the negative lead to pin-1 without bending it out, and then reinstalling (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: NEW POWER SUPPLY
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That is the same thing, except much easier. Plus we save donut money. However, we'd have to look at the effect of 7 volts reverse bias on the motor LED's. Plus, we'd have to make real sure not to short the bent pin 8 to the socket underneath it. (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: !!! Laser attachments for Mindstorms !!!
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(...) That sounds like what you would get if you gave two tin cans and a piece of string to the Defense Department and asked them to develop a field radio. - Robert Munafo (URL) LEGO: TC+++(8480) SW++ #+ S-- LS++ Hsp M+ A@ LM++ YB64m IC13 (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: NEW POWER SUPPLY
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What about this idea? Cut the motor trace as per on Fred's website....than desolder the motor power header (the one that plug into the Handy board) on the expansion board and flip the header upward and resolder it to the expansion board. Then reuse (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: RDS Q:
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(...) Here is the message to which Jeffrey is referring: (URL) here is the actual information (imagine that!) 0...stop momentarily 1...spin 450d ccw, back to 0d, resume path 2...spin, resume at about 30d ccw of original path 3...crazy dance, resume (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: NEW POWER SUPPLY
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I think you win the prize for the best solution Giang! - Nick - (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Start_process problem
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Hi When I try to start a process , the code downloads fine , it runs on the board with no errors but it only excutes the first proceess once and none of the others. void main() { start_process(fwrd()); start_process(checkir()); (...) (26 years ago, 15-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Flex Cables (Does anyone have the 8485 CCII)
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Thanks to Kevin the 8485 Control Center II scans are available and I can finally build the T-Rex. I assumed no-one would want to part with these cables, so I found a way to make my own length of flex cables with 0.065 string trimmer line, making the (...) (26 years ago, 15-Oct-99, to lugnet.robotics)
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| | Re: You call it risk, I call it threat, Let's call the whole thing off Dept. (was: Re: [Rumour] FBI and Mindstorms)
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(...) i wonder if these highly paid paranoids ever heard of ... encryption? like, just encrypt stuff whenever it leaves a computer? duh. nik ___...___ nikolaus heger nik@stagecast.com PGP fingerprint: 650.354.0735 970A 0D39 41BD A660 AACB 674B 747A (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | questions about legOS??
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I got the latest version of legOS, and now I am lost. What else do I need to start programming? I know that the files I have aren't a program, but you download them to your RCX with your RCX program instead. Can anyone help me out? thanx (26 years ago, 15-Oct-99, to lugnet.robotics)
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| | Data acquisition through analog input
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: base64 Content-Length: 297 2. Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: base64 Content-Length: 1408 (26 years ago, 15-Oct-99, to lugnet.robotics.handyboard)
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| | Re: questions about legOS??
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Thoroughly read the HOWTO at arthurdent.dorm.duke...HOWTO.html and then come back :) More seriously, you still need a lot- a compiler and a working knowledge of C, to start with. Details on the compiler are in the HOWTO, but if you don't know C, (...) (26 years ago, 15-Oct-99, to lugnet.robotics)
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| | RE: c++
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That would not make the motion any smoother. Granted (yes it is obvious) that it would make the shuting down of the motors smoother it still does not have the desired effect. The solution I believe is somehow coding it so that as long as the button (...) (26 years ago, 15-Oct-99, to lugnet.robotics)
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