 | | Receiving IR data —James Matthews
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| | | Hi there, I'm new to the group, so I'm not too sure what's on and off topic: if this is off-topic, sorry in advance. I was looking at using the IR tower that comes with Mindstorms for my own use, but I also wanted to experiment using it to (...) (24 years ago, 13-Apr-01, to lugnet.robotics)
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| | | | | Re: Receiving IR data —Stef Mientki
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| | | | | hi James, Sorry I don't know the answers, but I'm communicating with Delphi through the spirit.ocx, which seems to be a bit too slow. I'm able to control my serial port, but do you know how to control the IR-tower, where did you get the information (...) (24 years ago, 14-Apr-01, to lugnet.robotics)
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| | | | | | | RE: Receiving IR data —James Matthews
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| | | | | | Stef, I've used spirit.ocx, but I just wanted to "hack" it that little bit further. I got the IR protocol information from the RCX Internal's site: (URL) a more details explanation of what I did would help, it can be found at: (URL) -----Original (...) (24 years ago, 14-Apr-01, to lugnet.robotics)
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| | | | | Re: Receiving IR data —Stef Mientki
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| | | | hi James, (...) That's a trick Lego uses to test the quality of the battery in the IR-tower, according to the spirit.ocx documentatie (see TowerAlive method). I'll think you have to wait a little longer to receive something or maybe wait between (...) (24 years ago, 14-Apr-01, to lugnet.robotics)
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| | | | | | RE: Receiving IR data —James Matthews
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| | | | Hi there, Thanks Stef for that *very useful* piece of information, I've now cracked it and wrote up a little article on it: (URL) is only preliminary, but I thought people might like to see it. There is some C++ code snippets and the protocol (...) (24 years ago, 15-Apr-01, to lugnet.robotics)
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| | | | | | Re: Receiving IR data —Stef Mientki
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| | | | Hi James, (...) My first attempts were unsuccesfull, because I didn't know you had to invert the "third-bit", thanks to you my attempts gives results. The rough notes on my project can be seen at (URL) testing a use a simple general purpose RS232 (...) (24 years ago, 16-Apr-01, to lugnet.robotics)
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| | | | | | Re: Receiving IR data —Greg Frazier
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| | | | Actually, there is a mistake in James' web page. He wrote: The middle portion of the data (red) are the opcodes you want to send to the RCX, followed by the two's complement of the opcode. In fact, it is followed by the 1's complement of the opcode. (...) (24 years ago, 18-Apr-01, to lugnet.robotics)
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