 | | Re: OT Re: Legway and Robolab
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(...) Outgoing mail is certified Content Free Deleted by MIN anti-content system ((URL) 1.0.013 / Content Database: <nul> - Release Date 12/10/2003 FUT lugnet.off-topic.fun (22 years ago, 10-Dec-03, to lugnet.robotics, lugnet.off-topic.fun)
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| | OT Re: Legway and Robolab
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--- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system ((URL) 6.0.548 / Virus Database: 341 - Release Date: 12/5/2003 (22 years ago, 10-Dec-03, to lugnet.robotics)
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| | Re: Logging sensor data
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(...) No, I regret to say, you must buy it. Jerry (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Legway and Robolab
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(...) Apparently, the standard firmware imposes a 100ms delay before a motor can change directions (ostensibly to protect the motors). This might be the source of some of the instability. Dick Swan suggests a possible way around the delay at the (...) (22 years ago, 10-Dec-03, to lugnet.robotics)
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| | Re: Logging sensor data
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(...) does robolab is free ? nanobapt (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Legway and Robolab
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(...) I spent a couple of evenings with a Legway, EOPD sensors and Robolab. I could not get it to balance or reach any condition of stability. I eventually 'gave up' because I felt that the violent control actions would destroy my motors :) Steve, (...) (22 years ago, 10-Dec-03, to lugnet.robotics)
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| | Re: Logging sensor data
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(...) If you had not already decided to use LegOS/BrickOS you might have used Robolab, which has nice sensor data-logging utilities built-in. I show a sensor log in my project 'The LEGO Level' at (URL) It's very easy to set up. Jerry (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Linux legos install help me please
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(...) Oups nbo sorry ... not for the moment but I can implement it !! Oh if someone know how to make work the USB tower under linux (to add this function to legnoppix) that would be fun (...) Yes that only this file ... (...) Yes put it in the (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Logging sensor data
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(...) Arg .... you don't want to use legnoppix or something like that ? I don't know how implement LNPD to cygwin or other stuff like that nanobapt (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Global Objects was Strange RCX startup issues
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(...) Yes. (...) Yes, I took a peek at the dll code and it looks like only one packet type would have to be extended to add this additional information. When not using the program manager (i.e. linking the user program directly to BrickOS), then (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Linux legos install help me please
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Wow thanks for the speedy response nanobapt. I am going to attempt to run legnoppix as a guestthrough VMware tonight. I will keep you posted on how that goes. Whati am really interested in is the math. Nano wrote (...) 1st Are you saying that (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: NQC's future
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(...) NQC is a language/compiler which works with the standard LEGO firmware(s). I don't anticipate that ever changing. But here's a glimpse of something new for the Spybot target that might be interesting to NQC users. Would 256 (or 128, if you (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: Global Objects was Strange RCX startup issues
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Doh! I think I just answered the question (of course it was After hitting send) Joseph Woolley wrote: [snip] > Also, I have a question (because of my limited knowledge of how the > __ctors and __dtors are managed): Would the two *for* loops in your (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Product Review: Linksys WVC11B and VEO Observer
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Hello everyone, I've been fortunate enough to get to play with the Linksys WVC11B Wireless and a VEO Observer Internet Video Cameras. In the event anyone is considering the purchase of a networked camera, perhaps these notes will be of interest to (...) (22 years ago, 9-Dec-03, to lugnet.robotics)
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| | Global Objects was Strange RCX startup issues
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Mark, This is an interesting issue. Initially, after reading your post, I was thinking that it would be easy to add this support to BrickOS. Of course, this is only partially correct. For NON Task Manager builds (therefore no Program manager), it is (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | RE: Logging sensor data
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Win 98 and Cygwin Thanks, Allen (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Logging sensor data
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(...) What OS do you use ? nanobapt (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | RE: Logging sensor data
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Hi nanobapt, Thanks for your help, I was sort of thinking along these lines. I know very little about LNP so apologies if I come across as a little ignorant. Is there an LNP server I can run on my machine to collect the data sent to the RCX tower? (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Logging sensor data
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(...) You can combine both solutions ... Storage in the RCX memory and then send it by lnp (after 10 data for example) You need to test :) nanobapt (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | RE: Logging sensor data
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Hi nanobapt, What I tend to do is sample a sensor every say 20ms and log the data over a period of upto about 5 seconds. In your opinion what would be the best method, local storage or realtime streaming via LNP?, can LNP stream at this speed? (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Linux legos install help me please
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(...) Hmm rellay difficult to solve .... For your mandrake : make in a term "make > error" and send me (to my personnal mail) the file call error What version of brickOS do you use ? I know that there are error with the gcc 3.X so try (like you (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Logging sensor data
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(...) How many time do you want to log it ? you can stock it to the RAM or send it by lnp .... nanobapt (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Linux legos install help me please
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Please help me install legos on Mandrake or help me fix my debian legos and add math.h I am a complete linux novice. 1 I have been enjoying the ease of use of Debian and the apt-get functions and friends with that distribution. For a beginner in (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Strange RCX startup issues
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(...) This was only a problem when using certain firmware downloaders. If you use firmdl3, then you should be fine. (...) As far as I can tell, I don't think there is any provision in BrickOS to call the constructors and destructors of globals & (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: NQC's future
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(...) Dear John, Even if it requires a firmware replacement, please add: - more variables, - float type variables, - string type variables, - certain math library (sin, cos, exp, ...) - at least good approximations, - more subs, - functions with (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: WWW spider
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yes that was my goal in this schema pixel "Kevin L. Clague" <kevin_clague@yahoo.com> wrote in message news:HpMsDz.vz2@lugnet.com... (...) (22 years ago, 9-Dec-03, to lugnet.robotics)
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| | Re: WWW spider
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(...) It is a very cool mechanism. Your circuit can change from a 3 piston timer to a four piston timer, right? Kevin (22 years ago, 9-Dec-03, to lugnet.robotics)
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| | Re: Help w/install _or_ It all went so well
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(...) You can do make fontdesign in the util directory to create fontdesign.exe I have managed to get brickos-0.2.6.10 working using gcc 3.3.1 on win98 under cygwin, though I had a few problems along the way. At this stage I have only tried a few of (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos, FTX)
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| | Re: WWW spider
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hi i just developed this sequencer DL (URL) there is no purpose for this mechnism :) it shows 2 things 1. even small and simple changes in the circuit make it a little bit complicated :))) 2. it can be done :) it's just a first trial i'll work on (...) (22 years ago, 9-Dec-03, to lugnet.robotics)
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| | Strange RCX startup issues
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Hello, using brickOS v0.2.6.10... When I declare an object of type Motor and assign it a port outside of main() the RCX does not run the program at all, I have to remove batteries and reload firmware to get it back to normal. Is this related to the (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Remote Message Buttons
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That doesn't seem to help, doing things that way actually made the Stop and Beep buttons function as Stop and Beep. I was hoping to have all the buttons "raw" messages available to remap their functionality. I think I know how to modify the kernel (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Logging sensor data
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Hi there, I'm quite new to the Mindstorms and LegOS/BrickOS scene but have recently begun using the kits for robotics purposes in University. They have been a revelation to me and speed up prototyping projects to no end. My question though concerns (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Legway EOPDs
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(...) Steve, Have you tired using a combination of gears and the rotation sensor as a solution? I know there was some discussion awhile back about the disadvatages of the rotation sensor (not enough resolution) but I have been thinking about this (...) (22 years ago, 9-Dec-03, to lugnet.robotics)
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| | Re: Legway and Robolab
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(...) While I agree this sounds like a fun project, don't be too disapointed if things don't go as well as you hope. I did some testing with NQC, and I found the standard firmware to be too slow to balance a Legway. I'm not going to say it can't be (...) (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | RE: Legway and Robolab
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Hello, We have used EOPDs with Robolab. We have not built a Legway. Sounds like a fun project, I will see if the younger family wants to do that over the week and weekend. A home-learning project! Bill -----Original Message----- From: (...) (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | Legway and Robolab
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Has anyone been able to build the Legway using the EOPDs and program it with Robolab? Is it even possible? Thanks! James C. Jones Technology Consultant/Instructor Timber Creek High School 1001 Avalon Park Blvd. Orlando, FL 32828 321\235-7800 x5509 (...) (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | Re: WWW spider
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(...) Good luck! I look forward to it. (...) Hmmmmm.... I wondered if you might be thinking of this. A common method used in the past was to use a central pneumatic timer circuit that control the muscle pistons and make them move. This is what Doug (...) (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | RE: Legway EOPDs
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Henrik Dahlgren made a Legway with the LEGO IR sensors: (URL) thread has a link to Brickshelf, but the video links appear to be disabled. (...) (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | Re: Legway EOPDs
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(...) For those interested in sensing trains, I have previously offered my reed switch train sensor which senses the magnetic couplers between train cars. This sensor can be programmed like an ordinary touch sensor, and can be used in a variety of (...) (22 years ago, 8-Dec-03, to lugnet.robotics, lugnet.market.buy-sell-trade)
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| | Re: Legway EOPDs
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(...) Thank You Steve, & THANK YOU Hi-Technic!... They do realize they're going to be swamped, right? Happy happy... (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | Re: Legway EOPDs
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(...) an (...) YAAYYYYYY!!!...!!! What about the train sensor? (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | Legway EOPDs
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For all those people who have been trying to figure out how to make a Legway without using a Hi-Technic EOPD sensor, I finally have a solution. Ok, so I haven't make a Legway using standard LEGO sensors, but I just got an e-mail from Hi-Technic, and (...) (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | Simen Svale Skogsrud website ?
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Simen's website that contained plenty of useful stuff, seems to be closed (used to be (URL) Did it move somewhere else ? Philo PS : most of the contents is available through webarchive: (URL) but some images seems lost. (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | Re: Remote Message Buttons
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(...) I just use the standard IR message stuff from BrickOS. They are normal messages, so this works just fine. Here are some lines of code: (I think it's in lnp.h) #include <sys/lnp.h> ... clear_msg(); ... if (msg_received != 0) my_message_value = (...) (22 years ago, 8-Dec-03, to lugnet.robotics.rcx.legos)
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| |
| | Re: WWW spider
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"Kevin L. Clague" <kevin_clague@yahoo.com> wrote in message news:HpDyM3.A0z@lugnet.com... (...) yes i tried some sequensers during weekend and i'm on the way to create this functionality i hope it will work :))) (...) i think this could be done by (...) (22 years ago, 8-Dec-03, to lugnet.robotics)
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| | Remote Message Buttons
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Hello, Anyone had problems getting the message 1,2,3 buttons working with brickOS? All other remote buttons are working. I am using v0.2.6.10. I looked through the kernel and includes, it looks like in lr_process(), the lr_keys gets checked vs. (...) (22 years ago, 8-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: failure in communicaton between RCX & IR Tower
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Just to verify the verdict... yes, it did work with w2kpro installed on this laptop. One note is that w2k vanilla does not support wireless 802.1g device, which is what comes with this toshiba satellite p25. It requires service pack 4. -- emabrey (22 years ago, 8-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Yes, your summary is correct. Good luck with the rest of your project, Mark (22 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Mark, Thanks again thanks for the reply. Yes, my main comcern is that the OS tasks move around only after the first power off & on, no time else. And also it was just a typo, the blocks are in order I was looking at the wrong copy of my layout (...) (22 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) So, if I understand you correctly, your concern is that the OS tasks move around the first time you power off & on, but not anytime thereafter? Assuming this to be the case, then: 1) When you first download BrickOS, there is a large chunk of (...) (22 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: NQC's future
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(...) and what about this : (URL) <- my legnoppix project nanobapt (22 years ago, 7-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Mark, Thanks for the reply, and sorry I forgot to include some more details I have results from 2 memory scans (the values may be a bit off from each other (i.e. starting addresses, but that is becuase they are from 2 times I ran it, and I (...) (22 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Hi Mike, It would be helpful to see each of the memory block dumps and some notation as to what actions you took between each dump (i.e. RCX on/off, program downloaded, etc...) Mark (22 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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Well, I have another problem - this time with Worst Fit. It may be becuase I have been looking at this code for so much time over the past few months, but I have encountered this problem with my implementation and my mind is boggled (as well as (...) (22 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Editing Makefile (adding comman line arguements)
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(...) Ed, Thanks for the reply, I will look at that manual, I never knew to look there. I bet it will help me out. Thanks Mike (22 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Editing Makefile (adding comman line arguements)
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(...) Mike, You might start off by checking the manual for GNU Make at (URL) just look within the various makefiles within the brickOS code. Try Makefile.commom at brickOS root. Ed (22 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: NQC's future
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Am 2003-12-02 18:13 Uhr schrieb "John Hansen" unter <JohnBinder@aol.com>: (...) There is a MacNCQ from Robert Bate that works very fine. I like it!! (URL) you should contact him by email rbate@mac.com Ralf (22 years ago, 6-Dec-03, to lugnet.robotics)
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| | Re: NQC's future
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(...) By the way, people who have a CD-booting Windows-compatible PC have free Linux too, via a boot CD that works without repartitioning (or even writing) the boot HDD: (URL) I think I specifically remember seeing rcx serial port tools work there, (...) (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: to analog as rcx is to programming plastic
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(...) And now the more concise introductory perspective of weeks elapsed and a new age-nine-ish student/ parent pair to experiment with yesterday: Pricey, delicate, delightful: may require an engineer present to play without burning out parts. (...) (22 years ago, 6-Dec-03, to lugnet.robotics)
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| | Editing Makefile (adding comman line arguements)
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I am trying to edit Makefile in the main brickos dir so that I can access the arguements on the command line when I enter "make _____" to compile the directory. I need to do so because I need to have a certain command execute when the arguements are (...) (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Yeah, very true. Those lines where in there becuase of the error I originally had in my code, but since my code changed (and is correct) those lines are not needed). Thanks Mike (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: NQC's future
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(...) I think you are the victim of too much snippage... :-) If you reread the original message, there is indeed mention of adding various Spybot related features but the "non-standard firmware support" was in reference to NQC in general. I assume (...) (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) BTW, you can delete these two lines of intialization (i.e. lines 12 & 15 in the above function) as the intialized value gets clobbered on finding the first suitable sized block: 12) mm_best_free=ptr; 15) mm_best_free++; //this must point to (...) (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Sure thing sorry, the problem was that I had the wrong variable in one of the if statement, I copied it over wrong from my hand-written notes I made of the Alg ===...=== void *malloc(size_t size) { size_t *ptr,*next, bestSize, *mm_best_free; (...) (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: NQC's future
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(...) All, I thought that the spybot could not have the firmware replaced. Am I wrong? -Andrea (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Fine. Could you please post the solution? I don't like unsolved riddles :) Regards, Michael (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Complete instructions for Linux?
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(...) Rich, Those patches were created for optimizing some legOS code. I believe it was some interupt code. The legOS code and brickOS code have internal work arounds. I have some emails concerning this somewhere. But you don't need these patches (...) (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Complete instructions for Linux?
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|
From: Rich Warren <rikiwarren@mac.com> Subject: Re: Complete instructions for Linux? Date: December 5, 2003 6:57:12 PM MST To: nanobapt <nanobapt@wanadoo.fr> (...) Correct me if I'm wrong, but my understanding is that this would build the BrickOS (...) (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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Nevermind, I figured out the error after I posted and reviewed my code again. Thanks anyway... (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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Well, my senior project is almost due (Monday) and I am having problems with one of the last algorithms to be added. My senior project is adding the 3 other algorithms to the memory management facitlity (mm.c), the algorithsm are best, worst, and (...) (22 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Bump switches and "aggression"
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|
"Russell C. Brown [RR-1]" <lego-robotics@crynwr.com> wrote in message news:001601c3baeb$9a...apophis... (...) ok :) you are right i was too touchy sorry the threshold's set no problem some of you guys said many great words to me that is precious! (...) (22 years ago, 5-Dec-03, to lugnet.robotics)
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| | RE: Bump switches and "aggression"
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Just set the threshold on your pretentiometer to 50% and you won't hear that traffic anymore! Seriously, Pixel, you have been a cheerful contributor to this list for a couple of years now. You've had creative ideas that you've been most willing to (...) (22 years ago, 5-Dec-03, to lugnet.robotics)
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| | RE: Bump switches and "aggression"
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(...) Creatures (animals and humans) do not scatter in a totally random direction. They scatter at a random vector in a direction opposite the source of whatever startled. That implies that more than one sense is being used to determine source (...) (22 years ago, 5-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) Yes, I understand that you would have the downward pressure of the step move stop the leg movement by cutting off pressure to the piston(s) driving the foot down. Once this pressure is cut off by the switch, presumably the other legs continue (...) (22 years ago, 4-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) Easy the bump switch jumps into a RNG, and it's important to understand that the output of a RNG does -not- need to be equi-probable, and it decides. Watch animals when they're startled, they don't stop and think, they jump around for a second (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Complete instructions for Linux?
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(...) $ tar xvzf brickos.tar.gz $ make or $ apt-get install brickos #for debian user ;-) nanobapt (22 years ago, 4-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Search algorithms
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The main problem is of course memory. Under standard firmware, with 32 variables, you're not going to be able to do an A* on much of a grid - 7x7 is about the max, and even then you'd have to fiddle around and store two cells values in a single (...) (22 years ago, 4-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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"Gordon Elliott" <lego-robotics@crynwr.com> wrote in message news:0f7901c3b9c8$84...gateway... (...) i can see jim's doing good job !!! he's humiliating almost everyone here keep doing jim!!! maybe you will achieve that your posts will go to null (...) (22 years ago, 4-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) That's nonsense! You are working on the very naive assumption that nothing in the environment is moving except your robot. If your strategy is to reverse direction when the robot bumps into something in *any* direction - then things will go (...) (22 years ago, 4-Dec-03, to lugnet.robotics)
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| | Complete instructions for Linux?
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Is there a complete instruction for installing BrickOS on Linux? I'm particularly interested in details involving creating a cross-compiler and getting the USB tower to work. I've looked at the windows instructions, and have tried to work from them, (...) (22 years ago, 4-Dec-03, to lugnet.robotics.rcx.legos)
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| | Bump switches and "aggression"
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To my thinking there are two approaches to this, really two levels of difficulty, - Make it deterministic, in that if a switch is bumped invert your current trajectory axis, if going forward then reverse, if going R then go L. - Make it more (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | RE: Bump switches and "aggression"
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(...) <SNIP> (...) I think that your example indirectly shows that there are two things to be aware of. Survival is one. Obstacle detection/avoidance is the other. In thinking about it, I can see where there is a fine line between the two. Consider (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) So the pneumatic switch acts as a pneumatic touch sensor and stops the leg from extending fully. I'll keep that in mind. (...) I understand. Thanks for the explanation. (...) Kevin (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) Oh I wish I had some of those touch sensors! One person from rtlToronto has a set and there is much envy from me to him. Right now I'm using lamp bricks, which isn't that great, really, but does work :) Thanks for the heads-up! Dave K (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) go (...) 'bumper'. (...) my (...) me, (...) alternative. (...) There is one solution for staying 100% Lego and putting 4 sensors on the same RCX input. Therefor you should be able to sense which direction you were getting bumped. Lego made (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) <snip> (...) <snip> I'm very new to this particular thread, but I like Gordon's approach--directional sensors are needed. If I'm travelling forward and something bumps me from behind, I need to know that--If my conditional response is to do (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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----- Original Message ----- From: "Jim Choate" <ravage@einstein.ssz.com> (...) was (...) ## The original request was to catalog opinions on bump sensors, a "state of the art". Remember the original question was: ** ... and I'm curious if anyone (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) You should watch my three dogs hunt. If all you've ever seen is a single dog hunt then you know nothing of how dogs actually hunt. They're pack animals, a single dog can't survive in the wild more than a few weeks. Yet three sub-200lb dogs can (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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----- Original Message ----- From: "Jim Choate" <ravage@einstein.ssz.com> To: <lego-robotics@crynwr.com> ... (...) think (...) ### I think this is an interesting question, relating to complexity and emergent and evolutionary behavior which has been (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) How exactly, do you want to trigger this 'fight or flight'? It seems to me that a rabbit (for example) would use both of the methods above. If it's running along, and it's nose smacks into a tree (I mean bumps into a tree) the behavior is very (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: Strange BrickOS Timing
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Hi Dietmar, (...) Of course :-) Ciao, Guido (22 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Strange BrickOS Timing
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Hi Guido, (...) That patch referes to an older transfer-protocol. The one we are using now, does not need SUCH a stable timing. But the Output from BrickOS is a lot worse than it was in older versions. I thing Gunther can explain this better, but I (...) (22 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Bump switches and "aggression"
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I mentioned a 'reference platform' for the H18 group I've been working on in a previous post, and I'm curious if anyone will share their views on how they view bump switches and 'behavior'. I'm not interested in a debate but rather a 'collection'. (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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"Kevin L. Clague" <kevin_clague@yahoo.com> wrote in message news:HpAAsB.1Kpo@lugnet.com... (...) hmm my english is not very well so i'm explaining in weak way let's say your q242 is walking on a flat surface everything is quite well now ahead q242 (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Roll up, roll up!
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Sunday - December 14 - WAMALUG meeting at GMU - Light Weight Sumo! WAMALUG get togethers are always fun. The upcoming December meeting will be great because we're having a light-weight Sumo contest. Competing 'bots will be subject to a one pound (...) (22 years ago, 3-Dec-03, to lugnet.general, lugnet.robotics, lugnet.org.us.wamalug)
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| | Seeking session/expo coordinators for sculpture/mosaic, castle, mindstorms/technic/robotics
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The BrickFest PDX organizing committee is seeking session/expo volunteers for the following areas: Sculpture/Mosaic Castle Mindstorms/Technic/Robotics These are important areas that don't yet have dedicated coordinators. If you're planning to attend (...) (22 years ago, 3-Dec-03, to lugnet.events.brickfest, lugnet.castle, lugnet.build.sculpture, lugnet.build.mosaic, lugnet.robotics, lugnet.technic, FTX) !
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| | Re: Strange BrickOS Timing
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Hi Gunther, (...) have (...) After some investigation I found this page on YOUR site: (URL) YOU state: Using Lepomux requires a stable timing on the motor port because it is used as a serial data port. Since brickOS does a lot of stuff (...) (22 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Strange BrickOS Timing
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Hi Gunther, (...) have (...) I'm NOT really an expert in brickOS, but these are the sources of delay and msleep: void delay(unsigned ms) { unsigned i; while (ms-- > 0) for (i = 0; i < 600; i++) // not well calibrated. ; } //! delay execution (...) (22 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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i regret i wrote my previous post here it will never happend again jim plays unfair but this is not proper forum to talk about that sorry to all eot !!! pixel (22 years ago, 3-Dec-03, to lugnet.robotics)
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| | Re: an idea, can someone tell me if this is possible/been done before/etc?
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(...) Roger doger on that. I understand that C. Elegins (sp?) is the current top project goal for this sort of stuff. Something like 10,000 neurons. -- -- Open Forge, LLC 24/365 Onsite Support for PCs, Networks, & Game Consoles 512-695-4126 (Austin, (...) (22 years ago, 3-Dec-03, to lugnet.robotics)
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