 | | Re: temperature sensor problem
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ahhh... there it is. page 312. thanks. :) i think i saw that 3-digit stuff before and i forgot about it. and thanks for the idea about the until. -ben (...) of (...) (24 years ago, 3-Jul-00, to lugnet.robotics.rcx.nqc)
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| | Re: temperature sensor problem
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Ben, Internally, the RCX only works with integers, but .1 degree resolution was desired for temperature sensors, so the sensor values are actually measured in .1 degree increments. A reading of 70 degrees F is stored as 700, not 70. If you change (...) (24 years ago, 3-Jul-00, to lugnet.robotics.rcx.nqc)
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| | temperature sensor problem
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It's probably something simple and i'm about to embarrass myself, but I'm trying to write the equivalent of an RCX Code temperature sensor watcher with NQC. The motors don't seem to shut off, even when the temperature gets less than 70... (I added (...) (24 years ago, 3-Jul-00, to lugnet.robotics.rcx.nqc)
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| | Re: rotation sensor problem, again...
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I had the same problem and I solved it with a msleep(50). msleep(10) is not enough. (...) (24 years ago, 3-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: battery life indicator
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if((BATTERY/0x0016)<700) dlcd_show(LCD_BATTERY_X); I always put this line on my programs. BATTERY/0x0016 gives the value in V*100 of all batteries open circuit voltage. <700 is the limit for rotation sensors to work (all the other sensors have (...) (24 years ago, 3-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: interrupts for buttons
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Sorry about the long delay, I've been away. Demo.c is inaccessable because it was written for 0.1.7 and I've not yet had the time to update it. Unfortunately, this is going to be a semi-major task and so will probably be one of the last things to (...) (24 years ago, 2-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Call for Mac programmers
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(...) I've posted the source code for MacNQC (sorry it took so long): (URL) there are any serious takers for continuing MacNQC development, please let me know. About the only thing I'd be concerned about is that the project should stay MPL'ed. Dave (...) (24 years ago, 1-Jul-00, to lugnet.robotics.rcx.nqc)
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| | Re: running the motors underwater
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(...) The main problem is that the motor isn't water prof. It's rusting inside and or the grease is breaking down. The motor will heat up while in use. This would cause a sealed motor to push the air past the rotating axle. Ok, now when the motor (...) (24 years ago, 29-Jun-00, to lugnet.robotics.rcx)
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| | running the motors underwater
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A few years ago some kids I was working with were trying to outfit a LEGO boat with a paddle wheel and micromotor. While they were working, one kid got the idea that he was going to put a propellor onto one of the 4200 rpm motors, add wheels, and (...) (24 years ago, 29-Jun-00, to lugnet.robotics.rcx)
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| | Re: java/RCX combo
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I'm currently trying to recreate the JavaOne Mindstorms demo which Sun used in 1999 to show off its Jini(tm) capabilities. Will let you know once I succeed - at the moment the problems are more related to Java(tm) than anything else. -thomas (24 years ago, 28-Jun-00, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: Making LegOS under Win98
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Hi All I was wondering if anyone has some sample LNP applications posted anywhere, or if there is any sample code and/or docs online. I'm having abi tof difficulty diving into it, so to speak ;-) Colin Ryan (24 years ago, 28-Jun-00, to lugnet.robotics.rcx.legos)
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| | NQC Programmer's Guide Updated
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A major overhaul of the NQC Programmer's Guide has been compelted. Since the guide applies to NQC 2.2, and NQC 2.2 is still in beta, the guide is in beta as well: (URL) those of you waiting to try out NQC with the Scout or RCX2, the new guide should (...) (24 years ago, 28-Jun-00, to lugnet.robotics.rcx.nqc)
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| | Interactive Robots
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I have been playing around with building more rounded robots using building techniques usually seen in lugnet.build.arch.* I have constructed two rather nice looking examples that have some rudementary interaction. If either robot detects the other (...) (24 years ago, 28-Jun-00, to lugnet.robotics.rcx)
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| | internet project, anyone?
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I'm working on an internet communication project that requires both parties to have ROBOLAB 2.01 and the Technic 8094. (i can get you robolab 2.01 if you need it) If you are interested in trying this out with me, let me know... i realize this is a (...) (24 years ago, 27-Jun-00, to lugnet.robotics.rcx.robolab, lugnet.robotics, lugnet.robotics.rcx)
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| | interrupts for buttons
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I'm trying to connect the Run button to an "event function" so that I can shut down my system nice and clean instead of the evil kill that is happening right now. It seems I can't access demo.c that is in the HOWTO, so I'm not sure how I'd do this. (...) (24 years ago, 27-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: VB Upload Problem
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You could always check how big your datalog is by uploading the first point of the datalog in VB. The third element of the first point (point 0) is the size of the datalog. Throw that in a databox and see what it gives you. I would agree that VB (...) (24 years ago, 26-Jun-00, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | Re: memory leak in string handling
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And the problem is solved. Perhaps my pains can be used for something good anyway. Perhaps the people who suggested their beautiful strcat-functions can have (at least the prettiest one) them included in a future release. And if you're wondering how (...) (24 years ago, 26-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: memory leak in string handling
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Thank you everyone who helped out. The strcat function works like a charm. Unfortunately, the memory leak is still there. I'm beginning to think it might be that the strings are never deallocated at all. I'm going to have to check so that the (...) (24 years ago, 26-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: Making LegOS under Win98
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I did not have the lnp.c file, so I copied it to the util/dll-src directory. It did not change anything. Then I downloaded and installed the CVS version. It still gave the same errors. This is exactly what errors were specified: (...) (24 years ago, 24-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: VB Upload Problem
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(...) I think chris is putting some other info in the datalog. I poked at this briefly when using an early version of Robolab 2.0, but I don't recall the exact details. I think it comes from Robolab trying to use the datalog to record multiple (...) (24 years ago, 24-Jun-00, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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