 | | RE: RCX and IR Range Characteristics?
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As expected Jeff Hazen and John Barnes sent along a few itmes of interest. (...) Jeff asked if the diffuse cover of the tower had any effect at all. From my experiments, Jeff - the answer is no. John Barnes suggested that the bit-balancing act that (...) (25 years ago, 24-Apr-01, to lugnet.robotics.rcx)
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| | Re: RCX and IR Range Characteristics?
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(...) SNIP (...) SNIP Not experience, but perhaps the location of the IR diodes in the tower is effecting it's peformance? As other people have noted before, the diodes are not located behind the smooth molded "windows" in the tower, but lower, (...) (25 years ago, 24-Apr-01, to lugnet.robotics.rcx)
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| | RCX and IR Range Characteristics?
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Hi All, A while back, Ben Erwin asked about other user's experiences with the IR tower and range. I'm trying to characterize a persistent problem with the pbForth serial library, with respect to message reliability. It seems that even in high range (...) (25 years ago, 24-Apr-01, to lugnet.robotics.rcx)
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| | Re: CD-ROM Sample for Creative Projects with LEGO Mindstorms!
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I liked your book, "Creative Projects with LEGO Mindstorms". We need more books like yours on the Mindstorms market. I've always spun wheels thinking I've got to build a robot that does something like sweep the floor... or maybe that was just (...) (25 years ago, 23-Apr-01, to lugnet.books, lugnet.robotics, lugnet.robotics.rcx)
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| | Question for John Barnes
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hi John, Some time ago there was a discussion about keeping the IR-tower alive. I want to keep the IR-tower alive, for fast data transport from RCX to PC. You mentioned that you had drawn the circuit diagram, but you never published it. Do you have (...) (25 years ago, 22-Apr-01, to lugnet.robotics.rcx)
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| | CD-ROM Sample for Creative Projects with LEGO Mindstorms!
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The link is small from the fatbrain site, so I barely noticed it: (URL) - Instructions and Movies Flashlight Follower - Movies and Programs Copy Cat - Movies only (The link is from here: (URL) (25 years ago, 21-Apr-01, to lugnet.books, lugnet.robotics, lugnet.robotics.rcx)
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| | HELP, has anyone ever seen SPIRIT.OCX events ??
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The spirit.ocx definies a number of events (far more than in the ocx documentation are mentioned), but neither one of them seems to work. I've logged them all, but a never saw one comming up. Someone reported the same problem with the cybermaster. (...) (25 years ago, 21-Apr-01, to lugnet.robotics.rcx)
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| | SALE on Creative Projects with LEGO Mindstorms at Fatbrain!
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***Creative Projects with LEGO Mindstorms is 30% off!!! Sale lasts until April 30.*** ROBOTICS SPOTLIGHT (URL) INTERVIEW, Ben Erwin (me) (URL) INTERVIEW, Joe Nagata (URL) (25 years ago, 21-Apr-01, to lugnet.books, lugnet.robotics, lugnet.robotics.rcx)
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| | Re: H8/300 Assembler/C interface
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(...) By looking at your work with 'RCX internals', dumb is not the word i'd use :) I'd rather think of something like 'bit wizard' Björn (25 years ago, 21-Apr-01, to lugnet.robotics.rcx)
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| | RE: H8/300 Assembler/C interface
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(...) Sorry, looks like I need sleep too! (...) Hmm, looks like r2 is a copy of the high byte of the second long, but the complete long is pushed onto the stack! So the thing about GCC NOT splitting is true, it just keeps a copy of the higher order (...) (25 years ago, 21-Apr-01, to lugnet.robotics.rcx)
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