 | | Re: NXT sound sensor characteristics
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(...) anything interesting at 3 kHz... perhaps because I didn't go that high (oops). To figure out the frequency response I did it manually: I borrowed a signal generator and speaker from the university, as well as a sound meter, and then simple (...) (16 years ago, 28-Feb-09, to lugnet.robotics)
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| | NXT sound sensor characteristics
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We've worked some hours to do some interesting experiments with the NXT sound sensor in order to learn more about the sensor characteristics: Please consult: (URL) and help discussing. Claude Baumann (16 years ago, 27-Feb-09, to lugnet.robotics)
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| | Powering Power Functions Using a 9V Train Regulator
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Calling all EE's, robotics nuts, technic gurus, PF fanatics, and electronics geniuses... So by using the PF to 9V connector wire, I can run a PF motor using the 9V Train regulator. This is all wonderful...until I try to put an IR receiver between (...) (16 years ago, 25-Feb-09, to lugnet.technic, lugnet.trains, lugnet.robotics)
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| | Robot podcast interviews
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***Apologies for multiple postings*** Dear Colleagues, I hope you will find this robotics podcast interesting and useful: (URL) podcast interviews are intended as a top-quality information resource for robotics. They target a general technically (...) (16 years ago, 24-Feb-09, to lugnet.robotics)
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| | Brickworld - Esther Walner Memorial
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(URL) Share - Learn - Explore - Discover The Brickworld Team is sad to report the passing of Esther Walner. Esther served as Brickworld's newbie and FFOL coordinator. We send our deepest condolences to Esther's family. Esther's smile and enthusiasm (...) (16 years ago, 24-Feb-09, to lugnet.events.brickworld, lugnet.fun.community, lugnet.announce, lugnet.general, lugnet.events, lugnet.robotics, lugnet.trains, lugnet.castle, lugnet.pirates, lugnet.space, lugnet.people, FTX) !!
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| | Re: Finally, I found the answer!!
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(...) I am missing the packet length in the command packet. before send a command packet, the length of the packet must be sent first. Size of the packet length is word(2 byte), but value of the packet length is not included itself. (16 years ago, 16-Feb-09, to lugnet.robotics)
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| | I am stuck while programming for comunication to lego NXT
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I am a hobbyist programmer and trying to make NXT remote control program for PC. anyway, I am succeed open bluetooth SPP, send a command, and got response from the NXT. But the problem is.... sending tons of repeatly command and one response. NXT (...) (16 years ago, 15-Feb-09, to lugnet.robotics)
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| | My first year with my own FLL team
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After helping my son’s school with their FLL team last year I got the wild idea to start my own FLL team this past year. I had no idea what I was in for but I knew that I wanted to put together a team that was dedicated to learning about FLL and (...) (16 years ago, 11-Feb-09, to lugnet.general, lugnet.robotics, FTX)
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| | Galvanic Skin Response Sensor
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Over the nearly 10 years that I've had a MINDSTORMS related website I've noticed that my most popular homebrew sensor is the one for Galvanic Skin Response. This type sensor is used in lie detectors and biofeedback devices. I recently updated the (...) (16 years ago, 11-Feb-09, to lugnet.robotics)
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| | Re: Control Lab Interface response time
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(...) I have a Delphi program for communicating with the old Dacta interface 70909 here: (URL) that can be used for Control Lab too? (16 years ago, 7-Feb-09, to lugnet.robotics)
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| | Re: Control Lab Interface response time
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(...) Yes, the response time of the CLI is rather disappointing to say the least. Personally I think the CLI is best suited for controlling things like lights, and motors on someones town layout. For anything that requires precise control use an RCX (...) (16 years ago, 7-Feb-09, to lugnet.robotics)
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| | Re: Control Lab Interface response time
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(...) Yes, the response time of the CLI is rather disappointing to say the least. Personally I think the CLI is best suited for controlling things like lights, and motors on someones town layout. For anything that requires precise control use an RCX (...) (16 years ago, 7-Feb-09, to lugnet.robotics)
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| | Re: Using generic IR ports for RCX 1.5
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(...) IrDA works quite differently from what the RCX is capable of understanding normally under usual firmware. I don't think that you can change the dongle reactions, since on the physical layer it will work according to the IrDA specifications. (...) (16 years ago, 7-Feb-09, to lugnet.robotics)
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| | Re: Control Lab Interface response time
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(...) Whoah, a full second?! That's pretty useless! :( I'm trying to find software to program the ControlLab right now, but if this is the case, I might as well abandon any plans I had on using it. Fine motor control would be completly impossible. (...) (16 years ago, 5-Feb-09, to lugnet.robotics)
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| | Re: Using generic IR ports for RCX 1.5
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I've seen many people attempt this, but none who have succeeded. (but I won't say it's not possible) Steve (...) (16 years ago, 5-Feb-09, to lugnet.robotics)
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| | Using generic IR ports for RCX 1.5
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Hi, I can't find my lego mindstorm IR tower and I was thinking if it is possible to hack a generic IR dongle ( (URL) from a computer so that it can communicate with the RCX brick. Is that possible? How do I do this? Thanks (16 years ago, 5-Feb-09, to lugnet.robotics)
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| | Kalman filter with LEGO NXT
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We have started playing with implementations of the Kalman filter into NXT robots. This sophisticated data manipulation method appears rather complicated, and most introductions depict an obscure data handling that normally is considered to be out (...) (16 years ago, 3-Feb-09, to lugnet.robotics)
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| | BricxCC & NBC/NXC collaboration
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I finally got around to uploading all the BricxCC and NBC/NXC source code to an SVN repository on the BricxCC project page on sourceforge.net. Now all my code changes are done via my local checkout from that repository and changes are checked in as (...) (16 years ago, 2-Feb-09, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.nxt)
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| | Brickworld - Train Drag Racing
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(URL) Share - Learn - Explore - Discover The Brickworld Team is pleased to announce a new competition for this year's event. Train Drag Racing Preregistration for the competition is requested. There are four competition classes. Check out all the (...) (16 years ago, 28-Jan-09, to lugnet.events.brickworld, lugnet.fun.community, lugnet.announce, lugnet.general, lugnet.events, lugnet.robotics, lugnet.trains, FTX) !
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| | Brickworld Welcome
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(URL) Share - Learn - Explore - Discover The Brickworld Team welcomes new coordinators and new sponsors to the team this year. For the 2009 event, Mark Peterson, Roy Cook, David Pagano, and Tom Philips have joined the team. Mark Peterson will be (...) (16 years ago, 27-Jan-09, to lugnet.events.brickworld, lugnet.fun.community, lugnet.announce, lugnet.general, lugnet.events, lugnet.robotics, FTX) !!
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