 | | Re: Events in Robolab
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In lugnet.robotics.rcx.robolab, Elizabeth Mabrey wrote: <snip> (...) <snip> Elizabeth, Robolab is not well documented because the price/volume combination would not pay for the kind of support it needs. What is needed, before anything else, is a (...) (22 years ago, 31-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Events in Robolab
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M. Lichtenberg has just said what I have been looking for. I got the RIS or my 3 middle school boys last summer, I found it could be a great tool to cultivate the robotics knowledge among the middle schoolers or even elementary school children; (...) (22 years ago, 31-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Stanley garage door control units
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Anybody need 2 Stanley garage door opener sending units? They have a dip switch bank and one button, and run on a single 9 volt battery. Very old technology. I want to recycle as opposed to throwing them away. The receiver was discarded before I (...) (22 years ago, 31-Dec-03, to lugnet.robotics)
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| | Re: installing Robolab under Mac OS X
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Hi John, repairing the privilegs is a very good idea ... for the first choice much better then mine. Your second idea .... also ... (...) ... but this ways does not run on newer Mac that do not boot on MacOS 9. Ralf Am 29.12.2003 20:33 Uhr schrieb (...) (22 years ago, 31-Dec-03, to lugnet.robotics.rcx)
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| | Re: Biggest lego wheel?
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(...) Found that thanks. I showed it to some of the students, who you may or may not know were tasked with building a Lego Mindstorms robot to travers a stepped bridge in Pontypridd, South Wales. The brige is several hundred years old, has a rough (...) (22 years ago, 31-Dec-03, to lugnet.robotics)
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| | Re: Events in Robolab
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(...) I use Robolab to teach middle schoolers about building and programming Lego robots. I like Robolab because the kids pick up on the icons very quickly and get a handle the basics of programming within a few class sessions. BUT I do not venture (...) (22 years ago, 31-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Spybots & Java
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(...) The Spybot brick doesn't support replacement firmwares, so it is impossible to use Java with it. At this point NQC and LASM/MindScript are your only options for programming the Spybot brick. MindScript is currently your best option, but with (...) (22 years ago, 31-Dec-03, to lugnet.robotics.spybotics)
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| | Spybots & Java
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Hello All, as I have a) Spybots, and b) to learn Java, I am wondering if there are tools by now to program the former with the latter? I know that NQC supports Spybots, but what about e.g. leJOS? Are there any projects aiming to run Spybots by Java? (...) (22 years ago, 30-Dec-03, to lugnet.robotics.spybotics)
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| | Re: random problems...
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(...) I found out what my problem was. I didn't seed the random number. This seems to be REQUIRED. (22 years ago, 30-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: random problems...
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(...) How do you know that it return 0 ? nanobapt (22 years ago, 29-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: installing Robolab under Mac OS X
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<snippage> (...) try running the disk utility program found in the application/utilities folder and use it to repair the privilages on the disk. this may or may not help but I know I run into this problem when trying to install OS updates. If the (...) (22 years ago, 29-Dec-03, to lugnet.robotics.rcx)
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| | random problems...
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I'm having a problem with the random() function in BrickOS. I keep getting a return value of zero. Is there something that needs to be set-up before using the function? What kind of value does it return? I've seen documentation that says it returns (...) (22 years ago, 29-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Maximum Subroutine numbers?
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(...) Mmhhh... interesting! that could explain why I had some NQC programs using events that worked fine and some others that didn't... Experiments needed! Thanks Dick, Philo (22 years ago, 29-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: touch sensitive sensor
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Instead of pressing the touch sensor directly, you could use a lever to press it, thereby giving more precision. "Øyvind Steinnes" <phoenix@online.no> wrote in message news:HqCGJ5.Gz@lugnet.com... (...) 1.5 (...) apart (...) 0 (...) have (...) Ohm, (...) (22 years ago, 28-Dec-03, to lugnet.robotics)
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| | Re: Biggest lego wheel?
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Possibly you mean this site? (URL) lego wheels. Dan Lauber "chris" <lego-robotics@crynwr.com> wrote in message news:01ba01c3a5b6$bc...hal9000... (...) maybe (...) their (...) (22 years ago, 28-Dec-03, to lugnet.robotics)
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| | Re: Is there a bug database?
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While I was dwelling on the fundamental interconnectedness of all (...) I'm running 2.5.3 already. Not aware of it being beta, though. (...) Too bad. A bug database would save lots of time duplicating efforts, and would also be a good educational (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Events in Robolab
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Thanks for the response. I've been to that web site before and looked through it for event-driven programming. There is very little event-driven programming there, and what there is doesn't use events very extensively or in a very complex way. (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Maximum Subroutine numbers?
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While I was dwelling on the fundamental interconnectedness of all things on Sun, 28 Dec 2003 16:52:00 GMT, "Dick Swan" <dickswan@sbcglobal.net> wrote: <snip> (...) It doesn't happen most of the time, so the conflict would have to have more (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: What is "Stop Event Monitoring" for?
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While I was dwelling on the fundamental interconnectedness of all (...) Thanks - that's what I thought - only necessary to cancel monitoring when an event has not happened. <snip> (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | RE: Events in Robolab
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Don, Here is great site known for providing great examples of Robolab coding. (URL) will see several examples of event coding in this Web site. Bill -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | RE: Is there a bug database?
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Don, Here is a link that hopefully will help you: (URL) contains the latest patch levels including the beta patch to Robolab 2.5.3 for the Mac and PC. There is not a public bug list. Part of the problem with a public bug list is the Robolab by Tufts (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: What is "Stop Event Monitoring" for?
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Don't know specifically about Robolab, but usage might be. "I want to monitor a bump sensor for the next 100 milliseconds for an event; if the event doesn't happen in this time, then stop monitoring for the event." One way to program this is define (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Maximum Subroutine numbers?
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I don't use Robolab, but I can offer some insight into how the RCX firwmare operates with subroutines (and events) that may partially explain your problems. RCX firmware supports 8 (eight) subroutines per slot. Internally they are numbers 0 to 7. (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Is there a bug database?
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Is there a bug database for Robolab? Unless it's the first perfect program ever written, there have to be bugs. Is there a procedure in place to report suspected bugs? Are they being cataloged, hopefully in a searchable database? (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Events in Robolab
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After dozens of hours of experimentation, it is my conclusion that event-driven programming in Robolab is unreliable. Eventually, the RCX stops responding to events. This does not always happen at the same point in a given program, nor is it (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Driver for Linux USB Tower
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(For German version see below, please) English version: hi, I want to use lejos with Linux. I'm using the 2.4.20-4GB-athlon kernel. I downloaded the Lego usb Tower driver from (URL) I installed the driver it was generated the /dev/usb/lego0 device (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.java)
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| | Re: installing Robolab under Mac OS X
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Hi Holger, I definitely know that Robolab 2.5.2 is running in classic mode of MacOS X 10.2.8. So it must be something with the file owner and user rights for a file or a folder in your system (and in every other system where the software should be (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx)
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| | installing Robolab under Mac OS X
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Hello, I just purchased Robolab 2.5.2 from Pitsco and am trying to install it under Mac OS 10.2. When I try the process (while logged in under an account with administrator priviledge) the installer gets to 2 or so files remaining, and then gives (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx)
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| | Re: Maximum Subroutine numbers?
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Following up my own post with more information: I found in the Minnesota FIRST League's Software Training Manual the statement: "Local subroutines are identified and called by number (1-8)." This suggests that unlike containers and most other (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Maximum Subroutine numbers?
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Does RoboLab have a maximum subroutine number? Also, what is the maximum number of subroutines which can be defined? Referring to real subroutines, not SubVIs. I have a program which defines 5 subroutines, numbered zero through 4. It seems like when (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | What is "Stop Event Monitoring" for?
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The Robolab manual says "This command stops the program from watching for events" and gives an example which is essentially identical to the example for the "Start Monitoring for an Event" icon except it adds a "Stop Event Monitoring" icon after the (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | What is "Reset Event" for?
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What exactly does the Robolab "Reset Event" icon do? Under what circumstances would or should it be used? The Robolab manual gives only a Microsoft-esque useless restatement of the name of the icon: "Event This command resets monitoring for an (...) (22 years ago, 27-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Pseudo Proportional Control Re: RC Nitro Flash and RCX
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(...) Hi Andrea, I have not tried, but I don't think it would work well because of the delays involved in IR remote transmission. Movement would probably be quite shaky! Philo (22 years ago, 27-Dec-03, to lugnet.robotics)
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| | Re: (Some) HiTechnic Sensors to be Produced Once Again?
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(...) This is true. I got confirmation from John Barnes when Steve Hassenplug announced this a few weeks back. (...) Kevin (22 years ago, 27-Dec-03, to lugnet.robotics, lugnet.technic)
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| | Fwd: Pneumatic valve mystery
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Michael, Thanks to you as well. The little system just keeps chugging along; very tight. Every bit of tweaking helps. Walt (22 years ago, 27-Dec-03, to lugnet.robotics)
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| | (Some) HiTechnic Sensors to be Produced Once Again?
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Looks like it to me. (URL) know more? Max (22 years ago, 27-Dec-03, to lugnet.robotics, lugnet.technic)
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| | Re: Pneumatic valve mystery
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(...) What about tighten the things a bit more with: int pos = whichPosition; valveMotor.forward(); while( pos != 1 ) { pos = whichPosition; } valveMotor.stop(); LCD.showNumber( pos ); This should be the fastest loop I can think of in terms of (...) (22 years ago, 26-Dec-03, to lugnet.robotics)
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| | Re: Pneumatic valve mystery
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Alex, Many thanks! Your improved code has been chugging along nicely; probably 100 cycles with no mysteries! Walt White (22 years ago, 26-Dec-03, to lugnet.robotics)
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| | Re: Pneumatic valve mystery
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(...) I suspect you're having problems with indeterminate values in the whichPosition variable. This might happen due to the SensorListener getting called in the middle of one of the tests for your while loops... or it might have some other cause. (...) (22 years ago, 26-Dec-03, to lugnet.robotics)
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| | Re: Pneumatic valve mystery
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(...) touch (...) to? (...) not (...) Kevin, Thanks for the reply. As you might guess, I am also a novice at posting and replying to a "list." Took two trys to get it posted! I do get the touch sensor pressed every time the drum passes it. I can see (...) (22 years ago, 26-Dec-03, to lugnet.robotics)
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