 | | Re: Mars mission IV
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../snip> (...) Please consult (URL) I propose to do the discussions in this forum. (17 years ago, 13-Mar-08, to lugnet.robotics)
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| | Re: Mars mission IV
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(...) That sounds wonderful, although well beyond what I can do (which is why I love reading your projects & posts). (...) Which sounds good, although ultimately I worry about what happens when the power drops really low, and the watchdog timer (...) (17 years ago, 11-Mar-08, to lugnet.robotics)
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| | Re: Mars mission IV
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(...) You're welcome (17 years ago, 11-Mar-08, to lugnet.robotics)
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| | Re: Mars mission IV
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(...) Interesting approach. Good arguments. 1. The RCX is the device of our choice for this project. 2. I think that the RCX firmware should survey the battery status and more and more disable current-intensive functions. I remember that we were (...) (17 years ago, 11-Mar-08, to lugnet.robotics)
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| | Re: Mars mission IV
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Thanks (...) //snip (17 years ago, 11-Mar-08, to lugnet.robotics)
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| | Re: Mars mission IV
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Hi, Claude Baumann, I would like to collaborate with you. I am very interesting in Rover projects. Juan Antonio Breña Moral www.juanantonio.info (17 years ago, 10-Mar-08, to lugnet.robotics)
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| | Re: Mars mission IV
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(...) presentation, of a very novel hack to the RCX. Note that while he used non-LEGO technology (the LEGO solar cells, while robust, have a really poor power-to-weight ratio, and his "energy can" beats the pants off batteries for this sort of (...) (17 years ago, 10-Mar-08, to lugnet.robotics)
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| | Re: Mars mission IV
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"Claude Baumann" <cbaumann@ci.educ.lu> wrote in message news:JxIys1.HME@lugnet.com... (...) Solar Cell / RCX info - From the LEGO site: (URL) What are the specs on the LEGO Solar Cell and Capacitor? The LEGO Solar Cell and Capacitor are designed to (...) (17 years ago, 10-Mar-08, to lugnet.robotics)
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| | Mars mission IV
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We are currently (and urgently) working on a new edition of our Mars mission project ((URL) The idea is to start from our former RCX experiences and add some new features this time. We are designing the rover in traditional stud-technology with the (...) (17 years ago, 10-Mar-08, to lugnet.robotics)
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| | motor port splitter?
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Looks like only Mindsensor provides port splitter for nxt motors. Unfortunately, this splitter will not allow independent control. I had this application which requires ita port to be attached to one NXT motor, and one RCX lamp (while the other two (...) (17 years ago, 10-Mar-08, to lugnet.robotics.nxt)
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| | Re: Nxtcom error #89
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Here is a shameless plug for Java .... The Lejos_NXT software system (aka NXJ) runs its defrag program every time a file is deleted from the file system. And the start up menu also shows on the LCD the amount of free flash (which,of course, is (...) (17 years ago, 9-Mar-08, to lugnet.robotics.nxt)
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| | Re: step-by-step tutorial leJOS and Eclipse
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Hey, Due to a complete redesign of the website, the tutorial URL was changed to: (URL) (17 years ago, 9-Mar-08, to lugnet.robotics.nxt)
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| | Re: Nxtcom error #89
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(...) Unfortunately, the standard firmware does not expose the ability to iterate through the files in the file system. You can do that with the enhanced NBC/NXC firmware, but even then the information you can get about a file is just its name and (...) (17 years ago, 7-Mar-08, to lugnet.robotics.nxt)
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| | Re: Nxtcom error #89
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(...) Thanks, John -- this agrees with what Dave found as well. Makes sense. (...) Thanks again. What would be really neat is a utility that can draw a memory map, showing what is stored where. I haven't seen such a thing since my Apple II days, but (...) (17 years ago, 6-Mar-08, to lugnet.robotics.nxt)
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| | Re: Nxtcom error #89
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(...) According to the LEGO Mindstorms NXT Communication protocol.pdf that is part of the Bluetooth Developer Kit, your error code (89) means "No linear space". That means all the remaining space on your NXT is fragmented so there is not enough (...) (17 years ago, 6-Mar-08, to lugnet.robotics.nxt)
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| | Re: Nxtcom error #89
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OK, for the archives: I got an answer from Dave Baum (author of nxtcom). He says that error #89 indicates memory fragmentation -- even though my NXT had plenty of free RAM in total, there was no single contiguous block big enough to hold the new (...) (17 years ago, 6-Mar-08, to lugnet.robotics.nxt)
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| | Re: Nxtcom error #89
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To follow up my own post: I've since verified that I have 45K free on the NXT, and the file I'm installing is under 13K. I've also restarted both my Mac and my NXT, and still get that mysterious error 89. After more experimentation, it does appear (...) (17 years ago, 5-Mar-08, to lugnet.robotics.nxt)
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| | Nxtcom error #89
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I've been using the nxtcom utility to download NXC apps from my Mac. It was working fine just a few minutes ago, but all of a sudden (starting about 10 minutes ago) it's giving me a "NXT Error #89". I've searched the web and read the read-me, and (...) (17 years ago, 5-Mar-08, to lugnet.robotics.nxt)
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| | Re: new to nbc; invaders problem
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John, Ah. That works fine. I guess I was thinking the graphics data would be compiled into the binary, but the lack of a path in the filenames in the various include files should have given me a clue. -Tim (...) (17 years ago, 3-Mar-08, to lugnet.robotics)
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| | RE: Coming out of the dark ages...
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Interestingly, this exchange caused me to break out my own RCX 1.0 to do some experimentation. I was able to get the serial IR tower to work with Windows Vista Ultimate x64 by using the USB to serial cable from a Vex programming kit (it's actually a (...) (17 years ago, 3-Mar-08, to lugnet.robotics)
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