 | | RE: IR Problems
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RCX IR does not require direct line of sight. All sorts of reflections will work. Especially if you're in a "smallish" (bedroom, home office) room. The RCX firmware always has the IR turned off. "Wait for mail" and "send mail" is just a higher (...) (17 years ago, 2-Apr-07, to lugnet.robotics.rcx)
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| | RE: IR Problems
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IR communication is no where near the reliability like a tcp/ip. You can easily lose a message ... so program must be either extremely simple one way communication. The sender should be programmed to handle message loss. What I had the kids done was (...) (17 years ago, 2-Apr-07, to lugnet.robotics.rcx)
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| | Re: IR Problems
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(...) Thanks for your reply. I had to return the 1.0 RCX and motor back to school today. Those things are like gold. The 1.0 faces the 2.0 and is not in direct line of sight of the tower. The 1.0 is just to the side of the tower. I think my problem (...) (17 years ago, 2-Apr-07, to lugnet.robotics.rcx)
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| | RE: IR Problems
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Are you sure your problem isn't interference? How did you "lock out" the RCS 1.0 from receiving (and responding) to the direct commands? You have two RCXs turned on and sending direct commands from the PC. They will both try to respond to the (...) (17 years ago, 2-Apr-07, to lugnet.robotics.rcx)
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| | IR Problems
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I have been running RoboLab 2.54 B on a Dell Inspiron 1100 with little problem until of late. I am using direct mode, tower set to high and the 2.0 RCX and tower are 3” from each other with the 2.0 RCX raised up 1” to better line up with the tower. (...) (17 years ago, 2-Apr-07, to lugnet.robotics.rcx)
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| | Re: Get Pixel Value Plotter
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(...) Work is coming along swimmingly. I never thought I would sit out on the back deck late at night pinching myself after a good nights work. To analyses images simply is the painter’s way and now I’m doing it in the computer. I have devised a way (...) (18 years ago, 27-Mar-07, to lugnet.robotics.rcx.robolab)
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| | RoboLab 2.9 Install on Server
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Has anyone had success in installing RoboLab on a server? After installing on a windows based server the message "visa32.dll is missing" occurs. Assuming RoboLab 2.9 can be run from a server are there any maximum user limitations? (18 years ago, 15-Mar-07, to lugnet.robotics.rcx.robolab)
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| | Re: IR tower problems on a laptop with NQC
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(...) Now this is interesting. The Control Lab works just fine. (18 years ago, 13-Mar-07, to lugnet.robotics.rcx, FTX)
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| | Re: IR tower problems on a laptop with NQC
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(...) I forgot to mention the green light. Ever since I enabled the serial port in the BIOS, the green light will only come on now when NQC is trying to transmit, which is what's supposed to happen. But then it reports the error I provided earlier. (...) (18 years ago, 13-Mar-07, to lugnet.robotics.rcx, FTX)
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| | Re: IR tower problems on a laptop with NQC
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(...) Does the green light in the tower come on at all when you try to send the message? Is the light only on when you are trying to communicate? If the light is always one I would look for another application that is trying to use the serial port. (...) (18 years ago, 12-Mar-07, to lugnet.robotics.rcx, FTX)
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| | Re: IR tower problems on a laptop with NQC
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I also figured out what COM3 was: the internal modem. I disabled it in Device Manager and now the only port that I can find in my C# app or in Hyperterminal is COM1, the serial port. But the IR tower is still not working. By the way, the built-in IR (...) (18 years ago, 10-Mar-07, to lugnet.robotics.rcx, FTX)
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| | Re: IR tower problems on a laptop with NQC
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I feel kind of dumb: the serial port was disabled in the BIOS. However, now that it is enabled and is assigned COM1 (and shows up in Device Manager under Ports), I'm still having problems: C:nqc>nqc -SCOM1 -v -d test.nqc Downloading Program:Tx: 55 (...) (18 years ago, 10-Mar-07, to lugnet.robotics.rcx, FTX)
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| | Re: IR tower problems on a laptop with NQC
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The light goes on as soon as you plug in the tower? Sounds like someone is already using COM3. I was looking around DELL technical support and you may have a bit of work ahead of you. First off your serial port on the inspiron 8200 should be COM1. I (...) (18 years ago, 9-Mar-07, to lugnet.robotics.rcx, FTX)
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| | Re: IR tower problems on a laptop with NQC
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(...) Jordan, I only have one suggestion that may, or may not be useful. I'd suggest you try a fresh battery in the tower. I know you said it works on another PC. Sorry, that's the best I can do. :) Steve (18 years ago, 9-Mar-07, to lugnet.robotics.rcx, lugnet.robotics, lugnet.robotics.rcx.nqc)
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| | IR tower problems on a laptop with NQC
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I have a used Dell Inspiron 8200 laptop that is old enough to have a serial port. I'm trying to use a serial port IR tower to program an RCX and am having problems. When I plug in the tower the green light turns on immediately, which AFAIK is not (...) (18 years ago, 9-Mar-07, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc, FTX)
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| | Re: Microsoft Robotics Studio
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You'll probably have to post a bit of your code. You could zip the projects up and link to them or copy/paste relevant portions into here. (18 years ago, 8-Mar-07, to lugnet.robotics.rcx)
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| | Microsoft Robotics Studio
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Has anyone had any luck with the Microsoft Robotics Studio with the RCX / RIS 2.0 ??? I have been able to write a program that uses the direction control to control a basic roverbot moving left/right forwards/backwards and another program that (...) (18 years ago, 7-Mar-07, to lugnet.robotics, lugnet.robotics.rcx)
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| | ROBOLAB 2.9.3 Patch
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The ROBOLAB 2.9.3 Patch is available from at LEGOEngineering.com (URL) highlighted fixes include: 1. RCX Firmware 7.08: This firmware is substantially smaller than the last one, giving a lot more space for programs. 2. NXT Firmware 7.07: This (...) (18 years ago, 6-Feb-07, to lugnet.robotics.rcx.robolab)
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| | FW: Another Challenge. Performance Comparison
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Dick, 2 questions: 1) Regarding the benchmark code used for performance analysis. How about something which will require intense sensor feedback? How about simple alignment code? I really want to stick with RCX for teaching as kids have to do a lot (...) (18 years ago, 29-Jan-07, to lugnet.robotics.nxt, lugnet.robotics.rcx)
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| | Re: Get Pixel Value Plotter
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(...) I was able to connect the "Get Pixel Color" command with the RCX. I run a direct program on the computer, feeding color datum to the RCX. The RCX program is set up to receive the color datum and act on it in a sequential manner. Soon I will (...) (18 years ago, 26-Jan-07, to lugnet.robotics.rcx.robolab)
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