 | | some lnp thoughts
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hi all, im sitting here wondering if i should use lnp_addressing_write or lnp_integrity_write. The thing is that im writing a "sliding windows" protocol that might be used by other students here at the local university this autumn (as well as in my (...) (23 years ago, 8-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: optical mouse chips as vision sensors?
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(...) Right - you only get translational motion - not rotation. However, you could use two of these contraptions - on on each side of the robot (or one on the front and the other on the back) and thus derive the rotational speed from the difference (...) (23 years ago, 8-Jul-02, to lugnet.robotics)
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| | LEGO USB tower with NQC on Linux
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I have set up a short web site ((URL) with a description of how to use a LEGO USB tower (RIS 2.0) with Dave Baum's NQC on Linux. It works fine for many popular chipsets (Intel, VIA), yet not all. (...) (23 years ago, 8-Jul-02, to lugnet.robotics)
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| | RE: [ANN] pbForth Version 2.1.5 Release and IR Data Tutorial
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(...) Stupid cut and paste error on my part. It's fixed now... Cheers, Ralph (23 years ago, 8-Jul-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | LBrick.com is up and running
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All, I have just finished getting my new site running ((URL) it contains various Lego projects that I have been working on, including... - Lego CAD stuff - LMosaic (my Lego mosaic software) - LRex - a mindstorms biped that I built. Anyway go check (...) (23 years ago, 8-Jul-02, to lugnet.general, lugnet.cad, lugnet.robotics.rcx, lugnet.technic)
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| | Re: [ANN] pbForth Version 2.1.5 Release and IR Data Tutorial
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Hi Ralph, I just tried the latest version and I can't setup the IR port (mine is USB). I get the following message: Error: can't read "portID": no such variable Works fine with the previous version. Thanks Mario (...) (23 years ago, 8-Jul-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | [ANN] pbForth Version 2.1.5 Release and IR Data Tutorial
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The new 2.1.5 Version of pbForth has a minor fix that affected programmers using the MARKER and LEAVE words. Thanks to Alexander Cech of Austria for supplying great bug reports! I recommend you get the new 2.1.3 GUI while you're at it because it (...) (23 years ago, 8-Jul-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | Re: Controlling Multiple RCX's from one PC
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Hi, Roger and Jonathan!! I'd like to get your code too as I'm also interested to do the same thing as Jonathan. Would you mind also sending your source code about controlling multiple mindstorms using one PC to me? I'd like to have more exchange (...) (23 years ago, 8-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Controlling Multiple RCX's from one PC
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(...) Source code will help. Thanks. Jonathan D. (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Controlling Multiple RCX's from one PC
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(...) Hi Jonathan, I send messages from the PC to 3 RCX's with no problem, but I use the Tower object running on my PC, and Serial in the RCX. I don't use Stream objects because they actually only send one byte at a time and not yet very reliable. (...) (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.java)
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| | lego USB IR Tower
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Hi all, I tried out the Ryan Simmons's instructions in order to have my lego USB IR tower working under Linux OS. Everything seems to have been installed properly but when I tried to download legOS firmware with firmdl3 I got the following output: (...) (23 years ago, 7-Jul-02, to lugnet.robotics)
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| | Updated NQCEdit
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Hi Everyone! NQCedit version 1.61 is released. The change is a bugfix to reflect the the changes of Nqc return codes. So if you are running Nqc 2.4. r1 or higher you need to update to version 1.61. The new version can be found at (URL) Eriksson (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.nqc)
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| | Controlling Multiple RCX's from one PC
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I'm working on a project that requires four RCX's to be controlled by one laptop. The program on the laptop is written in Java and the program on the RCXs is written in lejos. I'm using RCXPort to establish a connection between them. The problem I'm (...) (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Re: Scheduler patch
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I posted some code and a simple explaination of my implementation. Here is the link: (URL) me know if you need clarification or want more information/code (I have the .tar.gz to compile a LegOS kernel that is somewhere between 2.6 and 2.7 and my (...) (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Problems with changing LNP_HOSTADDR
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did it work now ? nanobapt ----- Original Message ----- From: Kai Koehne <Kai.Koehne@student....otsdam.de> To: <lugnet.robotics.rcx...ugnet.com> Sent: Friday, July 05, 2002 1:52 PM Subject: Problems with changing LNP_HOSTADDR Hi, since a few hours, (...) (23 years ago, 6-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Lego IR serial tower!
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Hi! Agnus, I'm really sorry for my previous mail without acknowledge you! Where do you live? in US? How much do you want to sell your IR serial tower? is it in a good condition? Are you using JavaAPI or anything else to control mindstorms robot as (...) (23 years ago, 6-Jul-02, to lugnet.robotics.rcx)
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| | Re: Lego IR serial tower!
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Hi! Thanks for Maggie first! Second, Where do you live? in US? How much do you want to sell your IR serial tower, is it in a good condition. Have you used JavaAPI or anything else to control it, are you working on windows9x enviroment, I 'd like to (...) (23 years ago, 5-Jul-02, to lugnet.robotics.rcx)
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| | Re: Several hardware questions.. Laser link Hardware expansion n' more
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I'm not sure I follow you here. If you're talking about switching inputs using an output (lower the 'speed' of port A to change the relay controlling the input for port 1) well, then Yes, it can be done. However, the problem suggested below comes (...) (23 years ago, 5-Jul-02, to lugnet.robotics)
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| | Re: Several hardware questions.. Laser link Hardware expansion n' more
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could not the voltage level deside what relays should be turned on for instance on port 1? Now it might go wrong if the battery turns to be bad. ----- Original Message ----- From: "Steve Hassenplug" <hassenplug@mail.com> To: (...) (23 years ago, 5-Jul-02, to lugnet.robotics)
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| | Re: Several hardware questions.. Laser link Hardware expansion n' more
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My major problem was having a light sensor on each RCX that could change at almost exactly the same time as the other. Each RCX would then send a message to the other (for different reasons) The messages have to be sent ASAP, so one second polling (...) (23 years ago, 5-Jul-02, to lugnet.robotics)
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| | RE: Ant pheromones
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The ink appears translucent on a dry-erase board or projector because the surfaces being written on do not absorb the ink. Has anyone tried washable crayons on one of those boards yet? (URL) Message----- From: Mike Reddy [mailto:mreddy@glam.ac.uk] (...) (23 years ago, 5-Jul-02, to lugnet.robotics)
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| | Re: Lego IR serial tower!
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look on ebay ? I'd sell you mine (and buy a USB one) but the postage from here to HK might be huge? "Laurence Yip" <95459906@moscow.cityu.edu.hk> wrote in message news:3D259F9E.9B8891....edu.hk... (...) (23 years ago, 5-Jul-02, to lugnet.robotics.rcx)
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| | Re: Several hardware questions.. Laser link Hardware expansion n' more
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This is an interesting aspect of using two RCXs. My only experience is with NQC and the single byte "Message" function, but I have succeeded in making the communication link bi-directional and reliable. I simply create a process in the "master RCX" (...) (23 years ago, 5-Jul-02, to lugnet.robotics)
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| | Re: Lego IR serial tower!
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(...) Go to Bricklink (URL) order one. (Everyone listing these ships internationally!) HTH-- Maggie C. (23 years ago, 5-Jul-02, to lugnet.robotics.rcx)
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| | Re: Several hardware questions.. Laser link Hardware expansion n' more
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I've been working on just such a robot. (two RCXs, two rotation sensors, four light sensors, and two touch sensors) Currently, my biggest problem has been communicating between RCXs. I keep getting collisions with my messages. I've had to limit the (...) (23 years ago, 5-Jul-02, to lugnet.robotics)
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| | Re: Ant pheromones
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(...) OK. Two factors here: 1) Status of pens - colour, newness etc. Reflectance of the base surface - glossy, etc. I am using a white board for my playing surface, which is quite reflective. Furthermore, dry wipe pens are translucent - otherwise (...) (23 years ago, 5-Jul-02, to lugnet.robotics)
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| | Lego IR serial tower!
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Hello! I'd like to use leJOS on linux but it seems not so good support for usb IR tower, so I'd like to get one IR serial tower like the one from RIS 1.0/1.5, as no parts' sales in HK. Can anyone tell me what should I do? Rgds, Laurence (23 years ago, 5-Jul-02, to lugnet.robotics.rcx)
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| | Re: Problems with changing LNP_HOSTADDR
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(...) With the default CONF_LNP_HOSTMASK (0xf0), the host adress is encoded in the higher 4 bits, so you should write #define CONF_LNP_HOSTADDR 0x10 Eric (23 years ago, 5-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Several hardware questions.. Laser link Hardware expansion n' more
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I have chased this topic around quite a bit in the last couple of years and built a few prototype devices to perform "I/O expansion". My final conclusion, having gone to the trouble of building a device which permits two of the RCX motor ports and (...) (23 years ago, 5-Jul-02, to lugnet.robotics)
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| | Problems with changing LNP_HOSTADDR
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Hi, since a few hours, I'm trying to give an RCX another LNP_HOSTADDR - so I changed the appropriate line in boot/config.h from #define CONF_LNP_HOSTADDR 0x00 //!< LNP host address to #define CONF_LNP_HOSTADDR 0x01 //!< LNP host address and compiled (...) (23 years ago, 5-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: How do I switch other devices with my RCX.
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----- Original Message ----- From: "Da Byte" <dabyte@hotmail.com> To: <lego-robotics@crynwr.com> Sent: Friday, July 05, 2002 1:35 AM Subject: Re: How do I switch other devices with my RCX. (...) Adding a qestion: Are there any hardware hacks in the (...) (23 years ago, 5-Jul-02, to lugnet.robotics)
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| | Re: How do I switch other devices with my RCX.
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(...) My original idea is to switch a 12 - 14 V, 250 mA (Conrad) infrared beamer using my RCX's motor output. But it would be nice to be able to build a kind of universal switch for controling other devices. Thanks in advance! Remko (23 years ago, 4-Jul-02, to lugnet.robotics)
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| | Re: red universal joint
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Hi, I have some of the joints and the huge gears red, yellow and blue iirc Can get pics if wanted Peter N ----- Original Message ----- From: "Ross Crawford" <rcrawford@csi.com> To: <lugnet.robotics@lugnet.com> Sent: Monday, June 17, 2002 7:23 AM (...) (23 years ago, 4-Jul-02, to lugnet.robotics)
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| | Re: Displaying info while debugging
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Hi Ralph, I mentionned a while ago (see msg #508) that I have a problem with SAVE-SYSTEM. Could it be the same problem? Could it related to the USB driver and that, while saving the system, there is no period of inactivity and the buffer gets full (...) (23 years ago, 4-Jul-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Ant pheromones
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I have built my robot but I'm having some problems with the light sensor. Can you give me some advice on wich colors to use to avoid problems or how to put the sensor. Maybe it's just a problem of the RCX but I can't get it to see a thin line at a (...) (23 years ago, 4-Jul-02, to lugnet.robotics)
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| | Re: Several hardware questions.. Laser link Hardware expansion n' more
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The Ferarri book yalks about some ways to add input or output ports. The option that looks most promising to me is detailed at (URL) that site: "I'm very Pleased to announce that my latest project the '(MS)2 Expander' will expand your RCX's ports (...) (23 years ago, 3-Jul-02, to lugnet.robotics)
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| | navigation
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interesting navigation document!!! (URL) (23 years ago, 3-Jul-02, to lugnet.robotics)
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| | Re: IR Tower and USB-Serial adapter
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Mauro, PCMCIA serial port cards are available (just search the net for them). Here is one such card that has two serial ports: (URL) those cards aren't too cheap but old 14.4/28.8kbps PCMCIA modems are, perhaps making your own will suffice: (URL) (...) (23 years ago, 3-Jul-02, to lugnet.robotics)
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| | Re: IR Tower and USB-Serial adapter
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The USB tower gets its power from the USB port. It has no battery, AND it stay "alive" all the time (unlike the old serial tower that timed out to save battery life). The only problems I've read about in the sdk package about using the USB tower on (...) (23 years ago, 3-Jul-02, to lugnet.robotics)
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| | Re: IR Tower and USB-Serial adapter
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Unfortunatelly I can't buy that at Brazil. I want to buy a RIS 2.0 when possible but if I buy it here it would cost over US$300! I prefer to buy the whole set than individual pieces. It is more cost effective. Meanwhile I'm using my desktop (...) (23 years ago, 3-Jul-02, to lugnet.robotics)
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