 | | LNP: host address
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Is there a reason to "hardcode" the host address using a define (LNP_HOSTADDR)? Things would be easier for me if I could change the address at run time (when calling lnp_init). Is it safe to replace the defines by a variable? Eric (24 years ago, 21-Dec-01, to lugnet.robotics.rcx.legos)
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| | Robot Controller 1.3b1
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I've posted a new version of Robot Controller ---the ideal companion to NQC for Mac OS X users. This version adds several new features: it can synchronise the RCX watch with your computer's clock, it has a new pane which lets you read and change the (...) (24 years ago, 20-Dec-01, to lugnet.robotics.rcx.nqc)
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| | Re: Mario's new book...
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I just got my copy of this book from Amazon yesterday. In terms of explaining the elements of mechanical design of Lego robot building (which is what the author intended to focus on), it is an excellent book! I hardly slept last night because I (...) (24 years ago, 20-Dec-01, to lugnet.robotics)
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| | Source for a few IS1U60 sensors
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I'm looking for two of the IS1U60 sensors for the Handyboard. Anyone know where I can purchase them? The only place I could find that carried them would only sell them in lots of 1000 pieces. If you know where I can get a couple please let me know. (...) (24 years ago, 20-Dec-01, to lugnet.robotics.handyboard)
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| | Proximity
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Next question: Does any one have a proximity routne (code) I can review (steal) using LegOS, a light sensor, and the IR port? I've used the NQC stuff, but now I've moved up to LegOS. I haven't been able to find the right commands for the IR port. (...) (24 years ago, 20-Dec-01, to lugnet.robotics.rcx.legos)
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| | Storing Data
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When using LegOS (a most excellent creation, btw) is it possible to store a value and use it in different programs? Actually, I'm sure it is, but how would someone do it? I want to have one program to configure my light sensor, and use those values (...) (24 years ago, 20-Dec-01, to lugnet.robotics.rcx.legos)
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| | Re: Home-made One-way valve
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(...) a (...) tanks (...) own (...) So, define vacuum as an area of lower pressure than the surrounding environment. I think that satisfies most if not all of your requirements, and is what most people seem to think of when they mention vacuum. Andy (24 years ago, 20-Dec-01, to lugnet.robotics)
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| | Re: Home-made One-way valve
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In lugnet.robotics, sjbaker1@airmail.net writes: [snipped rant about light-bulbs] (...) Well, since a perfect vacuum has never (AFAIK) been shown to exist anyware (even in space), I guess you're right. However a partial vacuum is easy to "store" and (...) (24 years ago, 20-Dec-01, to lugnet.robotics)
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| | Re: Home-made One-way valve
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(...) Argh! <rant> It's been a long time since domestic lightbulbs were even partially evacuated - these days they are filled with some kind of relatively inert gas. Back in the 1940's and 50's they were partially evacuated - and on some old movies (...) (24 years ago, 20-Dec-01, to lugnet.robotics)
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| | Re: Home-made One-way valve
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c s soh <cssoh@singnet.com.sg> wrote in message news:3C213F4F.CC899E....com.sg... (...) and (...) How about a vacuum flask (thermos), domestic lightbulb, or even CRT (cathode ray tube such) as in your TV or monitor. These all rely on a stored (...) (24 years ago, 20-Dec-01, to lugnet.robotics, lugnet.technic, lugnet.build)
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| | Re: Home-made One-way valve
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(...) I think the reason for that is simply that you can't store very much "vacuum" in a tank. While you can pressurize a tank to several hundred PSI or better, for vacuum you're limited to completely (well, OK, nearly completely) evacuating it--a (...) (24 years ago, 20-Dec-01, to lugnet.robotics)
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| | Re: Home-made One-way valve
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(...) Somehow I'm a bit queasy about this business of "storing vacuum" in a tank. So I checked with the local supplier of industrial gases. If you need a tank of compressed air, that's no problem. But a tankful of vacuum, er that's not listed in the (...) (24 years ago, 20-Dec-01, to lugnet.robotics, lugnet.technic, lugnet.build)
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| | Re: Contests?
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I'm working on a new web site which I hope to launch over the holidays, but I've got a couple of January events listed on the calendar already. It's basically non-functional now, so if you know of an event, drop me an email or post it here and I'll (...) (24 years ago, 19-Dec-01, to lugnet.robotics)
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| | Contests?
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Hi. Are there any robot contests other than the Trinity College Fire Fighting Robot Constest being held in 2002? Best Wishes Barbara Nostrand (24 years ago, 19-Dec-01, to lugnet.robotics)
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| | Re: Proximity sensors.
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see (URL) capteur section ----- Original Message ----- From: "Ismael Salvador" <issalig@doctor.upv.es> To: <lego-robotics@crynwr.com> Sent: Wednesday, December 19, 2001 6:26 PM Subject: Proximity sensors. (...) building (...) cheap (...) (24 years ago, 19-Dec-01, to lugnet.robotics)
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| | Re: Chemical Sensors
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You can interface pH and other sensors with Mindstorms using logIT, look at (URL) ColePalmer (mentioned below) it is not clear to me what they offer in terms of Mindstorms compatible sensors? - Thomas Hoeg-Jensen (...) (24 years ago, 19-Dec-01, to lugnet.robotics)
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| | Re: Chemical Sensors
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(...) J. David Malinsky University of Calgary Department of Chemistry Phone (403) 220-5371 Fax (403) 289-9488 mailto:malinsky@ucalgary.ca (24 years ago, 19-Dec-01, to lugnet.robotics)
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| | Chemical Sensors
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Does anyone know of sources for chemical sensors. Things that can report ph, oxidation, etc? Robb, or bid at (URL) (24 years ago, 19-Dec-01, to lugnet.robotics)
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| | Re: Proximity sensors.
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(...) building (...) For cheapness the following probably can't be beat: (URL) ($free) otherwise you can buy IR proximity sensors based on reflected IR: (URL) ($40) (URL) ($34) (URL) ($14) or a sonar range sensor: (URL) ($80) or a brick that (...) (24 years ago, 19-Dec-01, to lugnet.robotics)
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| | Re: Proximity sensors.
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I have done a few proximity sensors using the light sensor and the RCX's messaging. Examples are here: (...) (24 years ago, 19-Dec-01, to lugnet.robotics)
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