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![](/news/x.gif) | | Re: .loc.au stats for October
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| (...) My concern here with taking on the Italians is that they post in Italian. Therefore any quality metric has to be multi lingual. That goes without saying so that's presumably why Kerry didn't say it, but I needed to boost my new/quoted material (...) (22 years ago, 5-Nov-02, to lugnet.loc.au)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) post, frequency (score: 0.765) |
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.762) |
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| ![](/news/sr1.gif) ![](/news/sr0.gif) post (score: 0.761) |
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![](/news/x.gif) | | DK Productions - LEGO Stinger
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| Was having fun lately putting a blase space layout on hold to build Technic again. To start, a video-- https://youtu.be/OTMT26zqXhg And, if you have dome old technic parts laying around and feel like making this build, I just finished LDrawing it (...) (8 years ago, 6-Mar-17, to lugnet.org.ca.rtltoronto, lugnet.technic)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) post (score: 0.757) |
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![](/news/x.gif) | | LL919 Cosmic Patrol Craft
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| Well lets see if I still remember how to post here and if anyone is still here... Backstory: In order to combat the increased incursions from the Blacktron forces and protect against their raids on commerce lanes, the Legoland Space Forces (...) (8 years ago, 7-Feb-17, to lugnet.space, FTX)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) post (score: 0.755) |
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![](/news/x.gif) | | Re: Call for GUI part editor
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| (...) Thanks for your feedback! No, I haven't done anything more, but if you say it works fine then I can bump the version number to 1.0 :-) Have you noted any obvious bugs or crashes? (...) I'm not sure I understand what you mean here. If you use (...) (18 years ago, 15-Jul-06, to lugnet.cad)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.753) |
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![](/news/x.gif) | | Re: Memory - Where did it go?
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| (...) With a newly loaded firmware: C:\WINAPPS\projects\...c>nexttool /COM=x -freemem 70324 C:\WINAPPS\projects\...c>nexttool /COM=x -listfiles NVConfig.sys=1 RPGReader.sys=14346 Demo.rxe=9436 Try-Touch.rtm=3788 Try-Light.rtm=4456 Try-Sound.rtm=6864 (...) (18 years ago, 10-Jul-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.752) |
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![](/news/x.gif) | | Re: thoughts on gbc module reliability
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| (...) Another thing we might try is to implement this splitter at the junction of the throughput zones to catch any ball overflow from the leaky bucket module. Then this shunted ball flow could be loaded onto several train cars and haulled around (...) (18 years ago, 7-Jul-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.752) |
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![](/news/x.gif) | | Re: Tug of war
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| (...) I'm guessing the left and right wheels are connected together? Sounds like you may need to have a way to shift the CoM subtly on game-day (to adjust for equal riction on L and R sides). (...) I like the sound of that... I'm thinking harpoon, (...) (18 years ago, 20-Jun-06, to lugnet.org.ca.rtltoronto)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.749) |
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![](/news/x.gif) | | Re: IR-based proximity measurement
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| (...) You're welcome - it's a fun problem. At least partially because it's one of the few times I've had to worry about the speed of bytecode execution under the standard firmware (see below). (...) Given what you are transmitting and how you are (...) (18 years ago, 11-Jun-06, to lugnet.robotics.rcx.nqc)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.747) |
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![](/news/x.gif) | | Re: IR-based proximity measurement
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| (...) Well, there were a couple of typos, but only one I found that was critical. If you are using a "max-picking LIDAR" method, you do *not* want to divide by the number of samples. The variable "eyeon" in your code should end up with the brightest (...) (18 years ago, 9-Jun-06, to lugnet.robotics.rcx.nqc)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.747) |
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![](/news/x.gif) | | Re: Ultrasonic sensor interactions
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| (...) Wow! That's a lot lower than I'd have expected - at that frequency there is a good risk of harmonics from normal sound interfering with it. (...) Right - 350 meters per second is pretty slow by computer standards. (...) (Not to mention things (...) (18 years ago, 21-May-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.744) |
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![](/news/x.gif) | | Re: Ultrasonic sensor interactions
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| (...) The device operates at 40kHz, the transmit and receive piezo devices are only resonant at that frequency. Even though the measurement period is short (time from transmit to time to receive) it is necessary to wait quite a while for the sound (...) (18 years ago, 21-May-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.743) |
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![](/news/x.gif) | | Re: Ultrasonic sensor interactions
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| (...) I'm not sure yet; I admit to not being even remotely a "hardware guy", which is why I keep doing all this SW testing :-). (...) Another odd feature is that the ping frequency seems to change with both what you define the sensor as well as (...) (18 years ago, 22-May-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.743) |
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![](/news/x.gif) | | Re: Ultrasonic sensor interactions
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| (...) The 'Aloha' protocol was the predecessor of this. (...) Someone earlier told us that the thing runs all the time and can't even be shut off. That being the case, I think we're pretty much doomed. (...) Yes - but the relatively low frequency at (...) (18 years ago, 21-May-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.743) |
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![](/news/x.gif) | | Re: NXT Sound Sensor
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| (...) Which it does pretty well, maxing out around 100 dB. (...) Not as much (yet!) as I'd like. The sound sensor has two modes familier to folks who work with dB noise levels. One is a "flat" frequency response curve, and one is a frequency (...) (18 years ago, 5-May-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.741) |
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![](/news/x.gif) | | Re: NXT Sound Sensor
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| (...) I agree about high grade DSP, but frequency discrimination may be quite possible... in the past we had a product based on a puny 8MHz 80C188 that was able to run ISDN stack, transfer 64 kbits/s data on one channel, 64 kbits/s voice on the (...) (18 years ago, 6-May-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.741) |
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![](/news/x.gif) | | Re: NXT memory limits
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| (...) See (URL) for the .rso file format. It is a modified .wav file. The only facility in the standard NXT firmware for playing sounds of any kind are playing a tone (frequency/duration) or playing a .rso file which has previously been uploaded to (...) (18 years ago, 5-May-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.740) |
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![](/news/x.gif) | | Re: NXT memory limits
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| (...) Most of the file extensions on the NXT start with .R and end with two characters which suggest the file type (SO for sound, XE for executable, TM for "try me", DT for datalog, etc...). A .RSO file is a massaged .WAV file. The .RSO file format (...) (18 years ago, 5-May-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.740) |
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![](/news/x.gif) | | Re: NXT to NXT communication?
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| (...) I can't speak for the NXT, but knowing that it has BT, and should be adhering to the specs, then the answer would be yes. The master-slave communication is coordinated via time slots within a piconet. This would avoid message collisions. In (...) (18 years ago, 4-May-06, to lugnet.robotics)
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| ![](/news/sr1.gif) ![](/news/sr0.gif) frequency (score: 0.740) |