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This LEGO IR remote control (#9738) is making me crazy!!!! Dave and Kekoa have posted in depth explanations of the remote's coding, but I must be awfully dense and am missing something somewhere. I've tried two approaches: First, I used both a (...) (27 years ago, 19-Sep-99, to lugnet.robotics.rcx)
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| | Re: Decoding the LEGO IR remote control
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(...) The Lego IR protocol is pretty simple. If you have demodulated output, why not dump some samples here so we can see if they make sense? The encoding is straight serial, but inverted - a pulse of light indicates a zero or a low voltage on a (...) (27 years ago, 18-Sep-99, to lugnet.robotics.rcx)
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| | Re: Decoding the LEGO IR remote control
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Hi All - - A couple of weeks ago I received my LEGO MindStorms #9738 remote control. It's really cool to be able to select, start, and stop programs ... override the motor controls ... send messages, etc. If fact, it's SO COOL that I want to be able (...) (27 years ago, 18-Sep-99, to lugnet.robotics.rcx)
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| | Performance problem with Java API
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Hi! I am currently working on a Java API for the RCX to implement the features of the PBrick (SPIRIT.OCX) interface in Java. So far, using the Java Comm API 2.0 and Kekoa Proudfoot's description, it does everything right except for one thing: (...) (27 years ago, 18-Sep-99, to lugnet.robotics.rcx)
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| | Re: Decoding the LEGO IR remote control
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(...) Ah, so the infamous d2 opcode is finally fully explained. What the d2 opcode did was discovered a while back when the firmware was disassembled, but people could only guess as to why Lego put such an opcode into the RCX. It was never connected (...) (27 years ago, 18-Sep-99, to lugnet.robotics.rcx)
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