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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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