 | | Re: RCX IR protocol
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(...) Take a look at (URL) (...) 55 ff 00 (...) complement, i.e. invert every bit separately. So for example ~f7=~11110111=00001000=10. (...) Good luck and show it to us when you are done Jürgen (24 years ago, 4-Sep-01, to lugnet.robotics.rcx)
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| | Re: RCX IR protocol
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On the page (URL) look under the description of his send command and you'll see he sends a query "10" (hex) and gets a response "ef". This value, 0xEF, is the logical not (modulus 0xFF) of the query value 0x10. The tilde means "not". Dennis (...) (24 years ago, 3-Sep-01, to lugnet.robotics.rcx)
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| | RCX IR protocol
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Hi all, I was looking at the IR protocol described at (URL) and i dont quite understand. In paricular: What is the packet header? what does the ~ mean? (eg "RCX reply opcode is always ~query opcode") I am asking because i am writing an application (...) (24 years ago, 2-Sep-01, to lugnet.robotics.rcx)
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| | Re: Non Robot uses of the RCX
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Hello, Sounds like it was an interesting project. Could you tell me what grade was your daughter in and did she use the standard RCX/Lego Software or something else? thanks (24 years ago, 1-Sep-01, to lugnet.robotics.rcx)
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| | Re: ANN: Article on dead-reckoning with a Mindstorms robot
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(...) Jerry, Thanks. I'm glad you liked the article. When I wrote it, I was hoping that other robotics enthusiasts would be able to adapt some of my techniques to their own dead-reckoning problems. It's good to see folks taking an interest in the (...) (24 years ago, 31-Aug-01, to lugnet.robotics.rcx)
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