 | | RCX IR Transceiver Circuit
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(...) I managed to get this one drawn today: (URL) N.B. I cannot guarantee accuracy as this is my own interpretation of the circuit of my own IR Transceiver, using data from reference books and tracing the circuit myself, so I might have made (...) (20 years ago, 23-Dec-04, to lugnet.robotics.rcx, FTX)
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| | follow up: possible bug in the investigator of Robolab2.5.4B
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I thought I should do a follow-up regarding a posting I sent out earlier regarding problem in investigator /Robolab2.5.4B. A gentleman, Bernard Catt ,verified a bug for me: If you use the Blue or Yellow data sets, the following will happen: (...) (...) (20 years ago, 23-Dec-04, to lugnet.robotics.rcx.robolab)
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| | Re: brickOS port to FreeBSD
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(...) Thanks, I'm up and running using binutils-2.15, gcc-3.4-20041217 and your gcc-3.3 patch to the cvs version of brickOS. I also have the USB Tower working. Would the brickOS guys be interested in FreeBSD patches to firmdl and dll? John (20 years ago, 23-Dec-04, to lugnet.robotics.rcx.legos)
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| | RE: Problem with the new robolab2.5.4
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Sorry, I think I need to clarify further... - This is in the "Investigator" section, NOT the regular program area. - after I click on the big "upload" arrow, I changed the dataset name to, e.g., "ds1", but there is no graph. - I click on the "upload (...) (20 years ago, 21-Dec-04, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | Problem with the new robolab2.5.4
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I wonder if there is anyone has a chance playing with the investigator with the 2.5.4/B. It seems to be a bug: Symptom: 1) after doing the programming in level 4, do to the upload data window by clicking the "upload area" icon 2) click the big white (...) (20 years ago, 21-Dec-04, to lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | Re: Wire communication
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(...) Hi, yep it does. Regards Ronald (20 years ago, 15-Dec-04, to lugnet.robotics.rcx.legos)
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| | Re: Wire communication
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A few questions and another answer: I don’t have my nqc ref to hand, but does the one external output on the cybermaster support float? I also have the suspicion that a more efficient (fewer ports tied up) solution might be achieved by wiring two (...) (20 years ago, 14-Dec-04, to lugnet.robotics.rcx.legos)
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| | Re: brickOS port to FreeBSD
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(...) I think the latest official gcc-binaries for brickOS are still 2.95.x. However, I have binutils-2.15 and gcc-3.4.0 running under linux and had only minor problems. Make sure you compile gcc without the stdc++ libraries or just ignore the (...) (20 years ago, 9-Dec-04, to lugnet.robotics.rcx.legos)
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| | Re: Wire communication
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(...) I think all you really need to do is switch the motor port between "float" and "brake". That's the same as opening and closing a touch sensor. I've used that for simple signals, and it seems to work fine, but I haven't tried more complex (...) (20 years ago, 9-Dec-04, to lugnet.robotics.rcx.legos)
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| | Wire communication
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Hello, I am currently trying to implement a communication protocol between two bricks using just one of the copper wire given with the brick. The protocol is based on manchester encoding, using a well-timed alternation of up and low signals. My (...) (20 years ago, 9-Dec-04, to lugnet.robotics.rcx.legos)
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| | Re: What does RCX stand for?
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(...) Me, too. So, I did a search and found it here: (URL) Entering the buzzword "RCX" - out came "robotic command explorer", unless TLC intended it otherwise. C S Soh (20 years ago, 9-Dec-04, to lugnet.robotics.rcx, FTX)
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| | RE: What does RCX stand for?
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I think it stands for Robotics Command eXplorer. (20 years ago, 9-Dec-04, to lugnet.robotics.rcx)
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| | Re: What does RCX stand for?
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(...) good question. i've wondered about this myself from time to time. ondrew (20 years ago, 9-Dec-04, to lugnet.robotics.rcx)
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| | brickOS port to FreeBSD
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Hi, I'm looking at porting brickOS to FreeBSD. I guess the first step is to get the crosscompiler etc. going. Which version of gcc and binutils is the best to use? I searched a bit but it isn't very clear which version to use, except that lots of (...) (20 years ago, 8-Dec-04, to lugnet.robotics.rcx.legos)
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| | What does RCX stand for?
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RCX'rs, I know it is a silly question and one that has probably been asked before, but what does RCX stand for? If I could find the answer, I wouldn't have to ask. Does it stand for Robotics Command System or Robotics Command Extrodinare? What? Todd (20 years ago, 8-Dec-04, to lugnet.robotics.rcx)
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| | Any Code Archive, Links or Send Me Zip File Of Code?
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Hi I am a newbie. I have the Excellent Core Lego Mindstorms Programming Book, but is there a code archive, link, or could someone send me a zip? file with some examples? Cheers Dale (20 years ago, 7-Dec-04, to lugnet.robotics.rcx.java)
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| | Code Archive, Links or Send Me Email Attachment/s
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Hi I am a newbie. I have Extreme mindstorms, Lego Mindsorms Robots books, but was wondering if there is/will be a code archive available, or can anyone please direct me to where I can get lots of example code?, even email me some (zip file?)if they (...) (20 years ago, 7-Dec-04, to lugnet.robotics.rcx.legos)
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| | Re: Errors while installing brickOS 0.2.6.10
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(...) I highly recommend that you use my cygwin and brickOS installers. If you use them you will more than likely be up and running with brickOS in a matter of minutes. See my BricxCC page at (URL) are links to the two installers: (URL) Hansen (20 years ago, 2-Dec-04, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Errors while installing brickOS 0.2.6.10
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Hi, I am a newbie. I have encountered some errors while installing brickOS 0.2.6.10. (URL) anyone encounter the same problems before? 1. When I just start cygwin, it gives me an error message like this: This application program can not be executed (...) (20 years ago, 2-Dec-04, to lugnet.robotics, lugnet.robotics.cybermaster, lugnet.robotics.edu, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc)
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| | Re: Motor Speed Control
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(...) That's the case too for Swan firmware with standard parameters. (...) And yes, power consumption is much higher using on break. I measured variation of RCX current with one motor, power level 3 (50% duty cycle). Idle RCX current (35mA) is (...) (20 years ago, 1-Dec-04, to lugnet.robotics.rcx.nqc)
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