Results 161 – 180 of about 5300.
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 | | Re: frame RCX reply how
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| Concerning the parsing of LEGO packets, I've found these bits to be useful in coming up with a parsing algorithm: * Packets start with 0x55 * Individual bytes of a packet are sent with little or no delay in between bytes * Packets may or may not (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)
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rcx, ir, how
(score: 1.588)
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| | Re: frame RCX reply how
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| (...) ... (...) Corrected/ elaborated in [square brackets]. I found my error by comparing bricxcc to a delightfully inaccurate summary of ~kekoa on replies that I built some time ago. Except again, op 63/6B UploadRam I find only in in "LASM Byte (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)
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rcx, ir, how
(score: 1.588)
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| | Re: RCX IR Tx Circuit - and Now Rx Circuit Too!
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| (...) For the time being, all the RCX ones are in the same Brickshelf folder, though obviously this is unavailable for a while whenever I add one. Code Pilot, RC Tower and other units are in other folders. Russell Nelson has added links on his (...) (20 years ago, 21-Jan-05, to lugnet.robotics.rcx, FTX)
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rcx, ir
(score: 1.583)
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| | RCX IR Tx Circuit
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| Here's my drawing of the RCX IR transmission circuit (receiver circuit to follow soon): (URL) With the voltages as shown, the RCX is not transmitting. The IR LEDs are powered by a 600mA current sink. I haven't measured for waveforms yet - the (...) (20 years ago, 20-Jan-05, to lugnet.robotics, lugnet.robotics.rcx, FTX)
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rcx, ir
(score: 1.581)
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rcx, ir, how
(score: 1.575)
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| | Re: Transmitting a message from the RCX to the PC
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| (...) The one-byte messages supported by the RCX are not generally designed to go from the RCX to the PC. They are intended to go from the PC to the RCX, or from one RCX to another. One reason for this is that the original RS-232 IR tower would not (...) (22 years ago, 22-May-03, to lugnet.robotics.rcx)
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usb, rcx, ir
(score: 1.572)
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| | Communication Speed, PC -> RCX, LEJOS!
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| Hi everyone, Im working on a project with controlling a large Container Crane by 4 RCXs. I have implementet some controlling and a lot of functions in the model, including a userinterface made in Java for a laptop. The crane is controlled by a (...) (20 years ago, 7-Jul-04, to lugnet.robotics.rcx.java, lugnet.lego.dacta, lugnet.robotics.edu, lugnet.robotics.rcx.legos, FTX)
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rcx, ir, how
(score: 1.571)
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usb, rcx
(score: 1.568)
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| | Re: Gameboy RCX
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| (...) That depends on the individual, both on how interested they'd be in owning one (not everybody would be), and how willing they are to have it tied up in robotic creations and unavailable for game play. Of course, if you already have more than (...) (20 years ago, 17-Jun-04, to lugnet.robotics.rcx)
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rcx, ir, how
(score: 1.564)
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| | Re: RCX IR Transceiver Circuit
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| (...) I can verify the data on all but the zener and 6Cp transistor. I intended to put it in a text file with the diagram, but I'll add it to the diagram instead. The 1Kp and 3Kp transistors have equivalents of BC548B and BC558B, which are common (...) (20 years ago, 28-Dec-04, to lugnet.robotics.rcx, FTX)
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rcx, ir
(score: 1.562)
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rcx, ir, how
(score: 1.559)
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| | Re: lcd display on RCX 1.0
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| (...) If you load RCX2 firmware in a RCX1 brick (they are fully compatible*), you'll have acces to this function (and all other RCX2 specific possibilities) Philo *Except for some minor differences in IR hardware. (17 years ago, 25-Jun-07, to lugnet.robotics.rcx.nqc)
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rcx, ir
(score: 1.552)
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| | Spirit.OCX
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| I want to program mit RCX 2.0 with VB but therefor i need spirit.ocx , but it wasn't on the lego-CD. Could anybody send it to me and will it work the the usb-IR-Tower? Is there a new version of spirit.ocx or has anybody an idea how it works? Thanks (...) (23 years ago, 9-Nov-01, to lugnet.robotics.rcx)
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usb, rcx, ir, how
(score: 1.552)
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| | linux and the USB IR Tower
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| Hi, I have been trying to use my lego mindstorms kit along with the USB IR Tower in linux. I have had limited success. I managed to patch the distribution so that firmdl3 recognizes the usb device. I compiled a module for the USB tower device. It (...) (22 years ago, 29-Mar-03, to lugnet.robotics.rcx.legos)
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usb, rcx, ir
(score: 1.546)
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| | RCX connection problems w/ a Mac and VirtualPC 4.02
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| Hello everyone, I recently bought the Robotics Invention Kit 2.0 with the USB IrTower. I own a Mac Powerbook G4 and run Virtual PC 4.02 with the latest additions on my Mac OS 9.1 system. The virtual PC recognized the Tower and when I try to download (...) (23 years ago, 14-Oct-01, to lugnet.robotics.rcx)
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usb, ris, rcx, how
(score: 1.538)
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| | Re: control RCX from PC
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| (...) I usually use the Microsoft C++ 6.0 compiler for my Windows programs, although the code should compile with little/no modification in any Windows-compatible C++ compiler. (Both the Borland and the GNU/GCC compilers should be able to rebuild (...) (21 years ago, 19-Apr-04, to lugnet.robotics.rcx)
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rcx, ir, how
(score: 1.533)
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| | Re: IR Problems
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| (...) Thank you for the excellent information concerning communication with more than one RCX. Last night in a dream I realized that I could just bypass communication placing two push button sensors where needed driving the additional RCX. The (...) (18 years ago, 13-Apr-07, to lugnet.robotics.rcx)
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rcx, ir
(score: 1.529)
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| | Re: IR Problems
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| (...) tom@tomlohre.com Dear Claude, Thanks for your message. I have delayed in replying to the excellent advice concerning communication with more than one RCX. Last night in a dream I realized that I could just bypass communication placing two push (...) (18 years ago, 13-Apr-07, to lugnet.robotics.rcx)
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rcx, ir
(score: 1.528)
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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. (...) (18 years ago, 2-Apr-07, to lugnet.robotics.rcx)
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rcx, ir
(score: 1.527)
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| | RE: IR Problems
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| Elizabeth is quite right. It's easy to get collisions on the IR "bus" if two devices are sending (or replying) simultaneously. What I've done in the past with two RCXs is define one RCX as primary that is periodically (every 100 to 250 milliseconds (...) (18 years ago, 2-Apr-07, to lugnet.robotics.rcx)
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rcx, ir
(score: 1.526)
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