 | | 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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| | Re: Pneumatic valve mystery
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(...) When you say it "misses a command", do you mean that you don't get the touch sensor pressed once in a while? Or the motor doesn't turn when you want it to? If it is the touch sensor issue, maybe the round brick+boat plate that are not close (...) (22 years ago, 26-Dec-03, to lugnet.robotics)
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| | Pneumatic valve mystery
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I am a novice robot builder and programmer who needs some help with a random problem that affects a pneumatic system I have built. I want a general purpose basic pneumatic system that can be programmed to use any of the three positions of the (...) (22 years ago, 26-Dec-03, to lugnet.robotics)
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| | Pneumatic valve mystery
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I am a novice robot builder and programmer who needs some help with a random problem that affects a pneumatic system I have built. I want a general purpose basic pneumatic system that can be programmed to use any of the three positions of the (...) (22 years ago, 26-Dec-03, to lugnet.robotics)
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| | Re: Lightsensor
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If I shine a bright light into the light sensor it gets to 60 sometimes, but if I put the light sensor very close to a lamp, it gets to 100. I could never get a value lower than 25. "Michael Gasperi" <gasperi@alynk.com> wrote in the message (...) (22 years ago, 25-Dec-03, to lugnet.robotics.rcx)
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| | Pseudo Proportional Control Re: RC Nitro Flash and RCX
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(...) Philo, All I believe that if we can control the rate at which we send commands to a Nitro Flash a simple pseudo proportional control can be implemented. Has anyone tried it? All the best and Happy Holidays -Andrea (22 years ago, 24-Dec-03, to lugnet.robotics)
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| | Re: touch sensitive sensor
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"Philippe Hurbain" <philohome@free.fr> wrote in message news:HqCD5y.1M6C@lugnet.com... (...) There (...) my (...) ohm (...) touch (...) when not (...) a (...) the (...) Thanx for the info. But 0.1mm is not much travel distanse and the only usable (...) (22 years ago, 23-Dec-03, to lugnet.robotics)
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| | Re: touch sensitive sensor
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(...) Are you sure your multimeter is up to the task? I have measured numerous touch sensors (from 1.5, 2.0 and cybermaster), all of them have a high value when not pressed (open for RIS 1.5 and 2.0, 10 to 15KOhm for Cybermaster that have a (...) (22 years ago, 23-Dec-03, to lugnet.robotics)
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| | Re: touch sensitive sensor
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"Chris Phillips" <drvegetable@attbi.com> wrote in message news:HqBKq4.A5I@lugnet.com... (...) news:HqB44J.204J@lugnet.com... (...) robot (...) those (...) can (...) grip is. (...) and the (...) volume (...) the task (...) controler (...) maybe (...) (22 years ago, 22-Dec-03, to lugnet.robotics)
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| | Re: touch sensitive sensor
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(...) The touch sensors that come in the RIS set already work as you describe, and are even about the size of a 2x3 brick. The touch sensor has a variable resistance that changes as more force is applied to the button. You just have to read the raw (...) (22 years ago, 22-Dec-03, to lugnet.robotics)
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| | Re: tuch sensitive sensor
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(...) The cheaper music synthesisers (and perhaps the expensive ones too) do this by having two simple switches - set to switch at different points in the key's travel. All they do is measure the time between the first switch triggering and the (...) (22 years ago, 22-Dec-03, to lugnet.robotics)
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| | Re: tuch sensitive sensor
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(...) one (...) Regarding the raw sensor technology to measure the force pressing on a button, a spring-loaded potentiometer is one solution. Other potential solutions include piezo-resistive sensors, a strain-gage mounted on a moment-arm, or even (...) (22 years ago, 22-Dec-03, to lugnet.robotics)
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| | Re: tuch sensitive sensor
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"Jona" <jona@24tooth.com> wrote in message news:HqB44J.204J@lugnet.com... (...) robot (...) those (...) is. (...) the (...) volume (...) task (...) controler (...) there (...) pick up (...) The button on the PlayStation 2 controller is analog, but (...) (22 years ago, 22-Dec-03, to lugnet.robotics)
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| | Re: tuch sensitive sensor
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In lugnet.robotics, Øyvind Steinnes wrote: <SNIP> (...) all analog? They seem to do exactly what you are talking about, but maybe there is some better processing going "on under the hood"? I wonder if you can pick up an old controller off of e-bay (...) (22 years ago, 22-Dec-03, to lugnet.robotics)
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| | Re: tuch sensitive sensor
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(...) your refering to a potentometer. Nick. (22 years ago, 22-Dec-03, to lugnet.robotics)
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| | tuch sensitive sensor
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Hello folks, I just come up with an idea, maybe there is a sensor like this made already... I'm thinking of a tuchsensitive sensor. Not the on/off type or with only one resistor value. I'm thinking of a tuchsensor that can register how far the (...) (22 years ago, 22-Dec-03, to lugnet.robotics)
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| | THX for the advices
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Hi ! Thanks a lot for your advices, Steve and Kevin ! Now I know a lot more about the behaviour of the sensor. I think I'm gonna watch his activity through connecting it with my oscilloscope, then I can see exactly how it communicates with the RCX. (...) (22 years ago, 21-Dec-03, to lugnet.robotics)
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| | Re: rotation sensor
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(...) Hi Thomas, Your english is better than my danish. No need to apologize. There are only two wires between the RCX and the rotation sensor. These wires provide both power and sensor signal. There are two kinds of sensors: passive and active. (...) (22 years ago, 21-Dec-03, to lugnet.robotics)
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| | rotation sensor
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Hi ! I'm gonna include the lego rotation sensor to a c167 system created by myself and for that I need to know which pins of the lego plug function for what. As far as I know the plug of the rotation sensor has two pins for power supply and another (...) (22 years ago, 21-Dec-03, to lugnet.robotics)
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| | Re: RCX 1.0 without external power jack?
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(...) Yes, there is a current limitation in driver. See this curve ((URL) and driver datasheet ((URL) (22 years ago, 20-Dec-03, to lugnet.robotics)
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| | Re: RCX 1.0 without external power jack?
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(...) It looks like there isn't as much output drive protection on the RCX2.0 PCBs, unless the MLX10402CB parts have more internal protection than the ELEX 10402As. Does anyone know of any information available about this? I will say now that I (...) (22 years ago, 20-Dec-03, to lugnet.robotics)
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| | Made me cry!
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Has anyone seen/read the Ultimate Builders Set The Untold Story at Lego.com (URL) Look at all those parts..... this is the phrase that I got upset about ".....When their work place becomes too messy Anthony and Mads do not start to sort the (...) (22 years ago, 20-Dec-03, to lugnet.robotics)
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| | Re: Product Review: Linksys WVC11B and VEO Observer
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(...) One thing I think is worth pointing out is that at least the VEO Observer uses some proprietary activeX applet and is only compatible with IE 5.0+, so no support for other browsers (or Linux). Anything except windows is explicitly *not* (...) (22 years ago, 20-Dec-03, to lugnet.robotics)
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| | Re: RCX 1.0 without external power jack?
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(...) Apart from supply jack in 1.0 and 2.0 marking on 2.0, there are some PCB differences, see board scans here: (URL) 2.0 brick uses a 76kHz IR receiver chip to get better compatibility with Spybots/Manas but much lower sensitivity between RCX to (...) (22 years ago, 20-Dec-03, to lugnet.robotics)
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| | Re: RCX 1.0 without external power jack?
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(...) The Lego outlet at Dawsonville might have some 9709's available--yep, the one's with the jack. I think they are currently 59.95 or 69.95. If anybody wants some and is going to Brickfest PDX, you can do a phone order for the RCX (so you can buy (...) (22 years ago, 20-Dec-03, to lugnet.robotics)
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| | Behavior of the Roomba
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Thinking about the one major robotic invention that's creeping into homes these days, it doesn't seem too complex an algorithm. The behavior seems to be as follows: 1) It starts out in an outward spiral motion 2) When it encounters a wall / stairs (...) (22 years ago, 20-Dec-03, to lugnet.robotics)
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