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| | The pain of communicating with the RCX
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| The power of Forth lies in the ease with which a system can be built and and tested both incrementally and interactively. Unfortunately I'm experiencing severe difficulties estasblishing a reliable communication channel between my PC (Linux) and the (...) (25 years ago, 9-Mar-00, to lugnet.robotics.rcx.pbforth)
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| ir, tower (score: 0.619) |
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| ir, tower (score: 0.619) |
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| | Newbie question : IR comms with PC.
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| Hi all. I'm a third year engineering student from South Africa who is trying to complete a soccer playing robot in time for our robot intervarsity the 29th of March.I only started using the RCX (and legOS) days ago. I'm trying to transfer some (...) (25 years ago, 8-Mar-00, to lugnet.robotics.rcx.legos)
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| ir, tower (score: 0.618) |
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| ir, tower (score: 0.616) |
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| tower (score: 0.615) |
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| | Can't download
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| Hello I've downloaded 2.1r1 src and rpm and 2.0.2 src. No matter which version I use, the results are the same: # nqc -d melody.ncq Downloading Program: Nothing else happens. I've tried specifying the port, but the result is the same. I've also (...) (25 years ago, 22-Feb-00, to lugnet.robotics.rcx.nqc)
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| ir, tower (score: 0.613) |
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| ir, tower (score: 0.613) |
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| | Painful details on RCX.pm problems
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| More RCX.pm stuff in case John Quillan (to whom I'll be forever indebted, if this ever works) shows up. So I have this code: #!/usr/bin/perl use LEGO::RCX; my $rcx = new LEGO::RCX(); $rcx->ping(); $k = 0; while($k ne 10) { print($k.") (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx)
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| long, tower (score: 0.612) |
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| ir, tower (score: 0.611) |
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| | Electrical Data Link between 2 RCXs
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| The following describes an "electrical data link" (one direction) between 2 RCXs (see also my subject "Connecting 2 RCXs"). The task is that one RCX sends a number (e.g. a status) to another RCX via a cable. The IR link cannot be used because they (...) (24 years ago, 25-Oct-00, to lugnet.robotics.rcx.nqc)
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| ir, long (score: 0.611) |
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| | Connecting Via a USB Hub
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| I have a USB Hub with an RS-232 port. When I connect the IR Transmitter to this port, the firmware downloads fine. If I have a program with a single RCX command block, it's fine too. If I have more than one command block, I get a download error. Any (...) (25 years ago, 30-Dec-99, to lugnet.robotics.rcx)
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| usb, ir (score: 0.610) |
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| ir, tower (score: 0.609) |
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| ir, tower (score: 0.609) |
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| | Re: Curious problem with download
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| (...) Unfortunately, the problem is not ambient light. I was trying this in a dark room at night. The only light source in the room was the monitor. I really think we can rule out the tower since my friends RCX loads with my IR tower just fine, and (...) (25 years ago, 3-Feb-00, to lugnet.robotics.rcx.nqc)
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| ir, tower (score: 0.608) |
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| | Piggybacking sensors, but in a different way
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| Is it possible to piggyback 1 sensor onto two rcx's? For instance, have one light sensor connected to port 1 of two different rcx's at the same time. The purpose would be for one rcx to control chassis movement, and another to control manipulator (...) (20 years ago, 26-Oct-04, to lugnet.robotics.rcx)
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| ir (score: 0.608) |
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| | Vision Command Wires
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| Vision Command is a monster install. Mine crashed when it got to the part where you plug in the camera and it does the hardware install. I was cheating a bit. My Logitec Pro camera has about a five foot cord, so I had a 10 foot extension. Since it (...) (24 years ago, 29-Aug-00, to lugnet.robotics.rcx)
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| usb, long (score: 0.607) |
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| | Re: Curious problem with download
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| (...) Offhand, I'd suspect that the problem is either interference from lighting in the room, or perhaps your IR tower is 'marginal'. From your tests so far it doesn't sound like the problem follows either a specific computer or an RCX. Minimize the (...) (25 years ago, 2-Feb-00, to lugnet.robotics.rcx.nqc)
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| ir, tower (score: 0.607) |
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| ir, tower (score: 0.606) |
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| | Re: PC -RCX comunication
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| (...) please, don't take my little attacks against MS too serious, it's just -- i really dislike their FUD way of making business, and i like to have a choice. However, i feel we shouldn't discuss this too much in this place. (...) Well, imho the (...) (25 years ago, 3-Feb-00, to lugnet.robotics.rcx.legos)
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| ir, tower (score: 0.605) |
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| | LNPd problems
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| I'm having problems with using LNP to transmit to the RCX. I wrote a test program both on the RCX and the PC. Whenever the PC program tries to transmit data, I get the following error: lnp_integrity_write(): Interrupted system call What does this (...) (20 years ago, 2-Oct-04, to lugnet.robotics.rcx.legos)
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