 | | Lego robot controlled by Java phone: source code
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Hello, I wrote up a little article about the demonstration I put together for JavaOne. The article includes links to the source code and talks a little bit about how the pieces fit together. In a nutshell, a Java-enabled mobile phone talks via the (...) (25 years ago, 26-Jun-01, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.java)
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| | LEGO Robots used in lab course
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Hi! Here in Uppsala, we have used LEGO RCX bricks running LegOS for a course in real-time systems. More information about the lab, and some MPEG movies of the final robots, can be found at: (URL) (25 years ago, 26-Jun-01, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Robot Transfer Protocol (a Hack from MacHack)
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(URL) Transfer Protocol is a way to transfer text data from one computer to another. For MacHack it turned a typed message into a dialog box on the other computer's screen. The phrase suggested by the audience was "Shave My Poodle"." -Ben (25 years ago, 25-Jun-01, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.robolab)
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| | REALbasic and serial ports
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Hi all, I want to try REALbasic with the Lego RCX. I think that this could be another programming tool for the Macintosh to do everything nearly like Visual Basic and Windows. Therefore I need some program code to use the serial ports in my (...) (25 years ago, 24-Jun-01, to lugnet.robotics.rcx)
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| | Re: Good news (Bad Rcx of ir transmitter)
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(...) Dan, my experience with an RCX1.5 is that the IR tower and RCX communicate unnerringly at a distance of (say) 20 cm under low light conditions. Also, the remote control accessory unit will start and stop programs at a distance of 6 meters (...) (25 years ago, 22-Jun-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Good news (Bad Rcx of ir transmitter)
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DH> I believe that that may DH> be because of background light, has anyone ever experienced this problem? Hi, this is indeed a possible cause of errors... have you tried putting tower and RCX under a box and then trying to transmit? (25 years ago, 22-Jun-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Good news (Bad Rcx of ir transmitter)
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I have to share good news about my RCX and ir transmitter, I have tried just about every firmware that is available for download on the net. When using a tip from someone on the list I tried the Lego firmware 2.0 beta and got the ir transmitter anbd (...) (25 years ago, 22-Jun-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Bad Rcx's or bad ir
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(...) I hope you proved (somehow) that the problem is *not* with your serial port. Even if you have selected which COM port (or let it select automatically) there is the possibility the signal is not getting through. Does the green light in the (...) (25 years ago, 21-Jun-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re[2]: Bad Rcx's or bad ir
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Hi, maybe you are using a too-old battery in the tower? (25 years ago, 21-Jun-01, to lugnet.robotics.rcx)
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| | Re: Bad Rcx's or bad ir
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Dan, I had the same problem with a newly purchased RCX - turned out to be the tower. I rang Lego support, they did some trouble-shooting and finally told me to take it back and get a replacement. I managed to change the whole set, so I can't say for (...) (25 years ago, 21-Jun-01, to lugnet.robotics, lugnet.robotics.rcx)
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