 | | Re: Any substitute to the default lego serial cable!
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Hi! all, Thanks for the replies, now I can use one null-modem cable with 2 DB-adapters to construct the cable for the RCX communicatoin. But the cost is about US$5.5. If the shipping fees to HK were not so high, I would perfer to buy the default (...) (24 years ago, 25-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Any substitute to the default lego serial cable!
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(...) Its a universal cable. Just about any null modem cable would do, but not all cables are null modem. Try using lejosfirmdl and see what it says. (...) That's right. (24 years ago, 24-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Any substitute to the default lego serial cable!
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Hi! Paul, | |Thanks for your help first. I didnt' test it using lejos! I just used |the default LEGO RIS UI in win98 to try to download the lego default firmware |to RCX brick! |When the dialog box under the hardware setting option informed me the (...) (24 years ago, 24-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Any substitute to the default lego serial cable!
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The cable is wired as a null modem cable (see (URL) If that's what you have, then it should work. A couple of other questions: 1. When you try to download the firmware does the green light on the tower come on? 2. Have you set RCXTTY to the correct (...) (24 years ago, 24-Jul-02, to lugnet.robotics.rcx.java)
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| | Any substitute to the default lego serial cable!
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Hi, all! I've just bought and got a IR serial tower from bricklink but I haven't a default lego serial cable. Originally, I think ordinary RS-232 DB-9F to DB-9F cable can be used instead, but I fail to do the firmware downloading under Win98 RIS UI (...) (24 years ago, 24-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Release 2.0 of lejos
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Hi, The short answer is no. We are looking for someone who might be interested in integrating (URL) with lejos though :-) (...) (24 years ago, 23-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Release 2.0 of lejos
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Hi all, I haven't tried this version now but want to ask first whether it will work on USB interface on Linux!? Laurence (...) (24 years ago, 23-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Release 2.0 of lejos
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Hi Paul, Fantastic! I just loaded a program and it reported 8280 bytes free compared with 7772 in version 1.05. Great work. Roger (...) (24 years ago, 23-Jul-02, to lugnet.robotics.rcx.java)
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| | Release 2.0 of lejos
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This is a major release of lejos that includes: - Extensive and flexible support for RCX comms and networking. Giving you various levels of reliability and addressability. The protocol stacks are implemented in Java and a framework is provided to (...) (24 years ago, 22-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Lejos discussion archives
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(...) Hi Jürgen Thanks for the link. It is not only up to date, but the search function actually works. Perhaps the lejos.sourceforge.net web site could be modified to use it instead of Geocrawler. Roger (24 years ago, 16-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Lejos discussion archives
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(...) Could be, I see the same. (...) I don't think so. You could use the sourceforge archive at (URL) Jürgen Stuber <stuber@loria.fr> (URL) (24 years ago, 16-Jul-02, to lugnet.robotics.rcx.java)
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| | Lejos discussion archives
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The last message I find is dated July 7,2002 using the link (URL) there a problem with geocrawler? or is my link out of date? Roger (24 years ago, 16-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Java version of DiscShooter
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I think it would be a great idea to have a fixed robot design and a specified behaviour for that robot and then for people to write various applications to make it work. Is this disc shooter design available somewhere? (...) SNip to keep lugnet (...) (24 years ago, 10-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Controlling Multiple RCX's from one PC
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Lawrie Griffiths has majorly reworked the RCX communications support in leJOS. His architecture allows you to define protocol stacks that sit on top of a basic transport mechanism. He has implemented support for the LNP stack used in legos - which (...) (24 years ago, 10-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Controlling Multiple RCX's from one PC
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Hi! all, I've posted a similar topic before titled "control multiple mindstorms robots using 1 IR tower", so I'd also like to get more info. about this related issue.If someone is generous to open his coding, I'll greatly apprecidate it! Hope (...) (24 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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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 (...) (24 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. (24 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. (...) (24 years ago, 7-Jul-02, to lugnet.robotics.rcx.java)
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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 (...) (24 years ago, 7-Jul-02, to lugnet.robotics.rcx.java)
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| | Java version of DiscShooter
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Since there doesn't seem to be alot of activity in the java group (particularly for beginners), I'm posting my java version of the DiscShooter program from the Advanced Builders Set. Let's see some other examples out there! /** * @author robweeks * (...) (24 years ago, 19-Jun-02, to lugnet.robotics.rcx.java)
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