Results 561 – 580 of about 5300.
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 | | Controlling an Electromagnet (LSM)
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| Hi all, It's been a while! A long while ago, while in elementary school, I used LEGO to build a manually-operated Linear Synchronous Motor (LSM) for a science fair project. I want to revisit this as an adult and built a full test track with a couple (...) (13 years ago, 24-Dec-11, to lugnet.robotics.rcx)
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rcx
(score: 1.033)
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| | Re: no long range IR from laptop says Lego
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| (...) Its USB descriptors say there are two configurations with 100mA (I think these are for low and medium power), and two that require 500mA (high power mode). The LEGO USB Tower Interface Reference doesn't go into more details. Jürgen (22 years ago, 12-Feb-03, to lugnet.robotics.rcx)
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usb, ir
(score: 1.032)
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| | Re: Remote control under linux
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| (...) Looking at your program, I see that you use code like the following to "run" a program: else if(data == P1) code0=0x91+alt; code1=0x00; send(2); This will only do half of the job. This is a "Set Program Number" opcode, which is the equivalent (...) (21 years ago, 3-Jun-03, to lugnet.robotics.rcx, FTX)
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rcx, ir
(score: 1.032)
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| | Re: no long range IR from laptop says Lego
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| (...) Fascinating stuff, thanks again. In particular, I didn't know Anyone had persuaded Windows to respond intelligently to Usb Configuration's of variable power. Anybody know if these descriptors already appear on the web somewhere? Else please (...) (22 years ago, 13-Feb-03, to lugnet.robotics.rcx)
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usb, ir
(score: 1.032)
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| | Re: Swan Firmware
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| (...) I feel so awful asking this, becuase I'm sure it must have been covered somewhere before - I'm not very good at understanding quite how everything works (API's and includes and so forth - no idea what that stuff is!). But here's my question: (...) (20 years ago, 6-Feb-05, to lugnet.robotics.rcx.nqc)
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rcx, how
(score: 1.030)
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| | Re: Transmitting a message from the RCX to the PC
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| (...) This is a good technique for addressing messages to an individual RCX, and I've used it myself on many occasions. In this case, it is your RCX or NQC program on the 'bot that is "responding" or "not responding" either by taking action or (...) (22 years ago, 23-May-03, to lugnet.robotics.rcx)
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rcx, ir
(score: 1.030)
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| | Re: Swan Firmware
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| Okay, okay, bad form responding to my own post. I got the new firmware on my RCX, downloaded the latest version of BricxCC, and NQC. But I can't figure out how to use this SetUserDisplay command? I want to show a variable on the display. I have no (...) (20 years ago, 6-Feb-05, to lugnet.robotics.rcx.nqc)
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rcx, how
(score: 1.030)
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| | Re: NQC vs Spirit communication speed
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| The retry timing for RCX_Link uses a dynamic backoff, which is a good general purpose solution if you're going to be sending lots of packets (like a typical NQC download) and the latency through the serial driver is unknown and/or unpredictable (...) (24 years ago, 11-May-01, to lugnet.robotics.rcx.nqc)
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rcx, ir, how
(score: 1.029)
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rcx, ir
(score: 1.029)
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usb, ris
(score: 1.028)
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| | Need Help RCX RIS 2.0 and Win2000 Patch3
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| My Mindstorms software does not run anymore! Before Microsoft came out with patch 3 the software ran fine. Now with the upgraded system it does not run. The Error is: "You do not have enough memory" Anybody have the same problem or know a work (...) (22 years ago, 30-Apr-03, to lugnet.robotics.rcx)
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ris, rcx
(score: 1.028)
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| | MacNQC 3.0 Release Announcement
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| Hi All, I've released MacNQC 3.0. New features are: Added syntax coloring for NQC source code in the Editor Window. Made the preference window multi-paned. It now has a Compiler Pane, a Communications Pane, an Editor Pane, and a Text Colors Pane. (...) (22 years ago, 23-Apr-03, to lugnet.robotics.rcx.nqc)
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usb, rcx
(score: 1.028)
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| | Re: Simulink Compilation
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| Dear Marc, It would be very interesting to have Simulink + Realtime Workshop controlling the RCX. By the way, how much speed do you expect can be achieved considering the communication speed between PC and RCX ? Liem. (...) (20 years ago, 22-Jan-05, to lugnet.robotics.rcx.legos)
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rcx, how
(score: 1.027)
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| | VPBRICK
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| Hello! I have some questions: - (in the RCX side) How i can configure a message Event in NQC, I don't know the second parameter? SetEvent(My_Event,??..._Message); - (in the PC side to get the messages from the RCX), anybody have a sample code to use (...) (22 years ago, 18-Sep-02, to lugnet.robotics.rcx.nqc)
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rcx, how
(score: 1.027)
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rcx, how
(score: 1.026)
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rcx, how
(score: 1.026)
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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 (...) (23 years ago, 2-Sep-01, to lugnet.robotics.rcx)
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rcx, ir
(score: 1.026)
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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 (...) (23 years ago, 3-Sep-01, to lugnet.robotics.rcx)
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rcx, ir
(score: 1.026)
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| | 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 (23 years ago, 4-Sep-01, to lugnet.robotics.rcx)
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rcx, ir
(score: 1.026)
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rcx, how
(score: 1.025)
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