 | | Feed Me! Feed Me! Feed Me!
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What can I say? This hungry little fellow is a very picky eater. He is hungry. If you don’t feed him often, he demands food. But when you do feed him, he says that the food is disgusting and spits it out. If you are looking for a compact robot with (...) (18 years ago, 17-Dec-06, to lugnet.robotics.nxt, FTX)
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| | Has anyone figured out how to improve the NXT light sensor?
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I'm looking for ways to build this sensor into a studless beam project of mine, and I was wondering, given it's large size and the comparative brightness of the LED used to light it, how can I use it to detect if an object is blocking a path? (...) (18 years ago, 16-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT Firmware source code
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(...) About a year ago, I got involved in doing some hacking on the Sony PSP, and wrote a Windows utility that will rip any font at a chosen size as a bitmapped C array. If I can figure out which computer I left the sources on, I'll make it (...) (18 years ago, 16-Dec-06, to lugnet.robotics.nxt, FTX)
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| | Re: NXT Firmware source code
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> This is very good news. Thanks for the update. I've been waiting for this for > a long time, particularly to have a look at the rather weak graphics > capabilities. I've had an expanded font (and a much smaller one) kicking around > for a while (...) (18 years ago, 16-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT Firmware source code
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(...) Now that's a cool idea. I've been messing around with remote-controlling the NXT via Bluetooth from a PC application, and it seems pretty solid. You'd definitely have some timing issues running a remote emulation like you describe, but this (...) (18 years ago, 15-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT Firmware source code
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(...) My understanding is that the source is version 1.04. John Hansen (18 years ago, 15-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT Firmware source code
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(...) If this limitation had applied to the rcx, I'd have suggested this. Because you can control the outputs and read the inputs direct from a pc you could run an emulation of the rcx firmware running your program on the pc. The rcx would then (...) (18 years ago, 15-Dec-06, to lugnet.robotics.nxt)
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| | More Not eXactly C (NXC) beta news
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(...) I'm working on the next beta release (15) of NBC with the focus on building the Not eXactly C (NXC) API. These features are already working: New NXC API functions: ExitTo(task), Stop(bStop), SetInput(port, field, value), SetOutput(ports, (...) (18 years ago, 15-Dec-06, to lugnet.robotics.nxt, FTX)
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| | Re: NXT Snake game
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(...) "Left as an exercise for the reader": Create a version which uses a bluetooth cellphone as a controller for access to more keys. Also: Nxtris, anyone? Hey! What about a physical implementation of Snake? Dennis (18 years ago, 15-Dec-06, to lugnet.robotics.nxt, FTX)
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| | Re: Not eXactly C beta news (NBC)
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(...) I have uploaded NBC beta 14 for Linux, Mac OSX, and Win32 platforms. John Hansen (18 years ago, 14-Dec-06, to lugnet.robotics.nxt, FTX)
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| | Re: Not eXactly C beta news (NBC)
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(...) I just uploaded a zip containing a few example programs to the NBC samples page. (URL) I'm working on documentation. I'll be releasing beta 14 later today (for all platforms) which has the following new features: Version 1.0.1.b14 Adds string (...) (18 years ago, 14-Dec-06, to lugnet.robotics.nxt, FTX)
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| | Re: Not eXactly C beta news (NBC)
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(...) Where do we find the sample file test.nxc, or some other documentation of NXC? I didn't find the sample file in the source and binary distributions of beta 13. (18 years ago, 13-Dec-06, to lugnet.robotics.nxt, FTX)
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| | NXT Snake game
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(URL) Oops almost forgot to post this on Lugnet. Read about it (URL) here>. ROSCO (18 years ago, 13-Dec-06, to lugnet.robotics.nxt, lugnet.announce.moc, FTX) !!
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| | Re: Not eXactly C beta news (NBC)
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(...) You rock! (18 years ago, 13-Dec-06, to lugnet.robotics.nxt, FTX)
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| | Not eXactly C beta news (NBC)
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I have just released a new beta of NBC with built-in support for 3 programming languages targetting the standard NXT firmware. This beta release focuses primarily on improving the Not eXactly C (NXC) programming language support in the compiler. It (...) (18 years ago, 12-Dec-06, to lugnet.robotics.nxt, FTX) !
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| | Re: NXT Firmware source code
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(...) I am curious; have you ever had a situation where bad firmware locked up the NXT? And if so, what was the process to restore it to working order? (I don't have a bricked brick, I'm just asking for future reference.) (18 years ago, 12-Dec-06, to lugnet.robotics.nxt)
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| | RE: NXT Firmware source code
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(...) I've downloaded firmware to NXT 100s of times with no apparent ill effect. (18 years ago, 12-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT Firmware source code
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(...) Flash memories all have a limited number of write cycles before they become unreliable. Usually, the on-chip write controller will "load-balance" the writes so that different memory locations all get used the same number of times, (...) (18 years ago, 12-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT Firmware source code
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(...) This is very good news. Thanks for the update. I've been waiting for this for a long time, particularly to have a look at the rather weak graphics capabilities. I've had an expanded font (and a much smaller one) kicking around for a while now. (...) (18 years ago, 12-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT Firmware source code
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(...) ROSCO (18 years ago, 11-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT Firmware source code
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(...) Thanks for the heads-up about this! (And also the pointer to the v1.04 firmware update, too!) It is amazing how far TLC has come since the early days of the RCX. Even for those who don't plan to change the firmware, there is certainly a lot to (...) (18 years ago, 11-Dec-06, to lugnet.robotics.nxt)
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| | NXT firmware v1.04
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LEGO has released an update to the standard NXT firmware. Version 1.04 is now available for download. (URL) Hansen (18 years ago, 11-Dec-06, to lugnet.robotics.nxt) !
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| | NXT Firmware source code
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LEGO has posted the standard NXT firmware source code today. You can get it on the NXT'reme page: (URL) direct link to a EULA is here: (URL) Hansen (18 years ago, 11-Dec-06, to lugnet.robotics.nxt) !!
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| | Re: Mac universal bluetooth filebrowser.
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(...) It's fixed. - Carsten (18 years ago, 6-Dec-06, to lugnet.robotics.nxt)
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| | Re: Mac universal bluetooth filebrowser.
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(...) Dragging the file out of the list works! Download button doesn't. I click download, it asks me where I want to save it, but then the file never downloads. (18 years ago, 6-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT sensor part updates
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(...) Cross-posted to lugnet.robotics.nxt Philo (18 years ago, 6-Dec-06, to lugnet.cad, lugnet.robotics.nxt)
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| | Re: Mac universal bluetooth filebrowser.
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(...) Oops. They are implemented and have worked for me. You should even be able to download files from the NXT by drag and drop from the table. I'll investigate this further. (...) No i haven't. Thats cause i have not written a single line of ruby (...) (18 years ago, 6-Dec-06, to lugnet.robotics.nxt)
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| | Re: Mac universal bluetooth filebrowser.
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(...) Oops. They are implemented and have worked for me. You should even be able to download files from the NXT by drag and drop from the table. I'll investigate this further. (...) No i haven't. Thats cause i have not written a single line of ruby (...) (18 years ago, 6-Dec-06, to lugnet.robotics.nxt)
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| | Re: NXT sensor part updates
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(...) XP to lugnet.robotics.nxt... Philo (18 years ago, 6-Dec-06, to lugnet.cad, lugnet.robotics.nxt)
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| | Re: Mac universal bluetooth filebrowser.
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Cool, works pretty good, except the download function doesn't seem to work? Have you tried ruby-nxt? It provides bluetooth access and works well on intel macs. It doesn't have all the system commands for uploading/downloading files yet, but I'm (...) (18 years ago, 6-Dec-06, to lugnet.robotics.nxt)
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| | Mac universal bluetooth filebrowser.
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Hi, i have written a little filebrowser for Mac OS X - Tiger (10.4.X). The DMG can be downloaded from (URL) site>. -- Carsten (18 years ago, 6-Dec-06, to lugnet.robotics.nxt, FTX)
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| | Re: nxt + i2c sp03 Text-To-Speech?
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(...) There are chips available to convert ASCII text to allophones, although this would increase the power requirements. One example: (URL) actually used such a combination (many years ago) to build a simple speech synthesizer board for my apple (...) (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | Re: nxt + i2c sp03 Text-To-Speech?
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(...) That is pretty much exactly what I was talking about. Of course, such a chip cannot increase the available power, it can only tweak the ratio between voltage and current. So this might work for some applications, but perhaps not in this (...) (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | Re: nxt + i2c sp03 Text-To-Speech?
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(...) If I'm understanding things correctly, could something like this work? (URL) appears to be able to take 2.5 - 5.5v in and give up to 5v out at up to 90mA. It would be great if it could be powered from the sensor port directly instead of having (...) (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | Re: nxt + i2c sp03 Text-To-Speech?
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(...) I'd say its worth a try from the 4.3v supply from the NXT. I note that the SP03 spec. says it has a 3v regulator onboard, so its not really running from 5v anyhow. The I2C signals are open drain, so they should be ok unless their inputs won't (...) (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | Re: nxt + i2c sp03 Text-To-Speech?
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(...) It sounds like the NXT probably doesn't have enough power available to run that chip, but you might look at using a BUC (Boost-Up Converter) component to bring the 4.3V supply up to a higher level? I've only been peripherally involved with (...) (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | Re: nxt + i2c sp03 Text-To-Speech?
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(...) Yes, but unfortunately the 9V sensor supply is limited to 15mA just like the RCX sensor supply. Not easy to power a module that consumes 80mA... Philo (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | Re: nxt + i2c sp03 Text-To-Speech?
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(...) That would be the LOWSPEED_9V flag? (...) I just might do that. (...) The chip used in the book I have is the SpeakJet (URL) It's a LOT cheaper than the sp03, however, it uses a serial interface and would be a lot more complicated. I'd have to (...) (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | RE: nxt + i2c sp03 Text-To-Speech?
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The NXT can also optionally apply 9V to I2C sensors on the same input/wire that is used for reading the analog values. There's a flag to set this up. I know it is accessible in RobotC and I think you should also be able to set it up via NBC. SO (...) (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | Re: nxt + i2c sp03 Text-To-Speech?
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Hi Tony, (...) Nice little beast! (...) Most probably it should work. I am a bit more concerned about current consumption (80mA - not 80mAH as shown in documentation!), since the 4.3V supply can deliver 180mA for ALL seven NXT ports. You may also (...) (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | nxt + i2c sp03 Text-To-Speech?
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I'm a software guy, not a hardware guy. I have very little experience designing circuits. To show how little I know, I'm actually reading through Electronics Projects for Dummies at the moment. ;) Well in this book they describe a simple (...) (18 years ago, 5-Dec-06, to lugnet.robotics.nxt)
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| | Re: NBC-NCX Experiences
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(...) The simple answer is that NXC does not yet expose that functionality. I am feverishly working on implementing that API. I apologize for the compiler problems. John Hansen (18 years ago, 3-Dec-06, to lugnet.robotics.nxt)
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| | NBC-NCX Experiences
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Hello NXT-Community, currently I make some tests with the very nice NBC-NXC compiler. My first tries to drive the Tribot around were successfully 8-) But now my question is: How can I access sensors from NXC ? All my attempts causes the compiler to (...) (18 years ago, 2-Dec-06, to lugnet.robotics.nxt)
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| | NBC Debugger
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Tamas Sorosy has recently made his awesome NBC Debugger available via his website. (URL) this page you will find a link to the NBC Debugger as well as his excellent NBC math library. To use the debugger you should download the very latest test (...) (18 years ago, 1-Dec-06, to lugnet.robotics.nxt)
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| | Re: Date/Time Clock for NXT?
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(...) I think so too. One solution to the problem would be an I2C clock "sensor", such as MindSensor's (URL) one is not directly adapted to NXT, but if there is some demand it would not be hard to do... Philo (18 years ago, 1-Dec-06, to lugnet.robotics.nxt)
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| | Re: Date/Time Clock for NXT?
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In article <J9Jv4v.nDo@lugnet.com>, Dick Swan <dickswan@sbcglobal.net> writes (...) This question seems straightforward. In the hardware schematic PDF that Lego have published there is a block diagram of the "Power Block" on page 4. This does indeed (...) (18 years ago, 30-Nov-06, to lugnet.robotics.nxt)
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| | Re: Date/Time Clock for NXT?
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Hi Dick, (...) that is all less than crystal clear from the AT91SAM7S data sheet, but plausible. (...) I think so, too. On page 2 at the left there is the circuit which generates VCC3V, and it is controlled by the AVR via P_EN. The 1.8V for the core (...) (18 years ago, 30-Nov-06, to lugnet.robotics.nxt)
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| | Date/Time Clock for NXT?
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A date/time clock would be a useful addition to the NXT. Naturally, it should continue to operate even when the NXT is powered "down". So here's a question for any hardware gurus that have a good understanding of the NXT schematic. The ARM processor (...) (18 years ago, 30-Nov-06, to lugnet.robotics.nxt)
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| | Re: Extreme NXT: Extending the LEGO Mindstorms NXT to the Next Level
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In lugnet.robotics.nxt, Didier Enjary wrote: (URL) (...) Thanks for the plug, Didier ;o) Still some time before the book hits the shelves... Philo (18 years ago, 24-Nov-06, to lugnet.robotics.nxt)
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| | Extreme NXT: Extending the LEGO Mindstorms NXT to the Next Level
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Hi, Sorry I'm quite unused with lugnet.robotics groups and I don't know if this has been announced yet. (URL) Philo, Michael and Isabelle (philo's delightful daughter) authored a book about NXT !! Didier (18 years ago, 23-Nov-06, to lugnet.robotics.nxt, lugnet.books)
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| | NBC beta news
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I just posted beta 12 of NBC. This version includes enhanced API macros in the NXTDefs.h header file. It includes support for a simple .RPG (NXT Program) text programming language. It fixes a bug in the preprocessor related to unix-style line (...) (18 years ago, 21-Nov-06, to lugnet.robotics.nxt)
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| | Re: New NXT updates at 'mindstorms.LEGO.com'
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I installed them by following the instructions in the readme.txt. (importing the blocks, etc) I'm pretty sure it was 1.02. I was able to resolve the problem by doing a fresh install. Deleting the application folder and the mindstorm files in (...) (18 years ago, 18-Nov-06, to lugnet.robotics.nxt)
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| | Re: New NXT updates at 'mindstorms.LEGO.com'
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(...) I believe you need to install the dynamic block update before the others will work. ROSCO (18 years ago, 18-Nov-06, to lugnet.robotics.nxt)
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| | Re: New NXT updates at 'mindstorms.LEGO.com'
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Can you explain how you "installed" them? And, what version of NXT-G did you have? Steve ----- Original Message ----- From: "Tony Buser" <tbuser@gmail.com> To: <lugnet.robotics.nxt...ugnet.com> Sent: Saturday, November 18, 2006 11:22 AM Subject: Re: (...) (18 years ago, 18-Nov-06, to lugnet.robotics.nxt)
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| | Re: New NXT updates at 'mindstorms.LEGO.com'
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(...) You will, of course, need to have (URL) adapter cables> to connect them. (18 years ago, 18-Nov-06, to lugnet.robotics.nxt, FTX)
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| | Re: New NXT updates at 'mindstorms.LEGO.com'
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I installed the legacy blocks on my MacBookPro and now whenever I start up NXT-G it crashes saying "The application MINDSTORMS NXT quit unexpectedly". Anyone else with an intel mac have this problem? (...) (18 years ago, 18-Nov-06, to lugnet.robotics.nxt)
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| | New NXT updates at 'mindstorms.LEGO.com'
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Hi everybody, There are some new software updates available on the LEGO site. (URL) it will be possible to use the RCX-sensors with the NXT. I haven't tried it yet, just finished downloading. Have fun. Eric (18 years ago, 18-Nov-06, to lugnet.robotics.nxt)
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| | Re: NXT Bluetooth "Dongle" or "Adapter"?
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(...) In my experience (and usage), "dongle" is usually used as a derisive or semi-derisive term, much in the way "wall wart" is used to describe a power transformer with integrated plugs. Matt (18 years ago, 9-Nov-06, to lugnet.robotics.nxt)
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| | Teaching NXT - Engineers without Boarders
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I started teaching an NXT Robotics Club at the High School level today. In tandem with the Engineers without Boarders Challenge. I must say how impressed I am with the new NXT! The documentation, the parts found in the kit and the up and running (...) (18 years ago, 9-Nov-06, to lugnet.robotics.nxt, lugnet.dear-lego)
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| | Re: NXT Bluetooth "Dongle" or "Adapter"?
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(...) Well that explains the presence of "adapter/dongle" on the Internet. Thanks for passing along the information! - David (18 years ago, 8-Nov-06, to lugnet.robotics.nxt)
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| | Re: NXT Bluetooth "Dongle" or "Adapter"?
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In article <J8Ds7J.73z@lugnet.com>, David J. Perdue <david@davidjperdue.com> writes (...) Essentially they are synonyms. Formal: TDK manufacture Bluetooth adapters. Informal: I have a Bluetooth dongle sticking out of the side of my laptop. "Dongle" (...) (18 years ago, 8-Nov-06, to lugnet.robotics.nxt)
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| | NXT Bluetooth "Dongle" or "Adapter"?
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I've noticed that the MindStorms User Guide in the NXT set and official Lego websites refer to using a Bluetooth "dongle" for your computer, but Bluetooth "adapter" is also commonly used elsewhere. In fact, I'm using the DBT-120 adapter, which is an (...) (18 years ago, 7-Nov-06, to lugnet.robotics.nxt)
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| | iCommand 0.5 - Java for NXT
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iCommand 0.5 is ready for download. New features include webcam robotics, compass support, synchronized motors, and convenient sensor wrappers. Everything can be found at www.lejos.org (18 years ago, 1-Nov-06, to lugnet.robotics.nxt)
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| | How to: BT dongle not supported work with NXT
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Hi people, After a lot of effort and googling around, i managed how to make a cheap "blue soleil" USB bluetooth dongle comunicate with NXT. I have information that this one was not supported, but with some "software adjustments", now it is working (...) (18 years ago, 30-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | NXT Life
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I have written a version of the life simulator for the NXT using NBC. It probably could be optimized even more but I thought I'd let you guys see it in action. (URL) the samples section, first item. John Hansen (18 years ago, 29-Oct-06, to lugnet.robotics.nxt)
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| | Re: NXT-G: Structured Programming
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(...) Today one of my students made a myblock out of a 545KB program. He simply copy and pasted it into a myblock. It reduced to 45KB! (18 years ago, 28-Oct-06, to lugnet.robotics.nxt)
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| | Re: NBC with NXT - crash!
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(...) Well, I had to replace the batteries yesterday, and with the new batteries this no longer crashes! Seems weird to me, but there you are. Has anybody else seen weird behaviour with their NXT when the batteries are running low? ROSCO (18 years ago, 27-Oct-06, to lugnet.robotics.nxt)
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| |
| | Re: Sonar Driver V1
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(...) oops Brian Davis i meant ;) (18 years ago, 27-Oct-06, to lugnet.robotics.nxt, FTX)
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| | Sonar Driver V1
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Based on David Brians JennToo chassis i have build this little scanning rover. (URL) Some pictures and the NXT-G software can be found at the (URL) Driver> page -- Spirou (18 years ago, 27-Oct-06, to lugnet.robotics.nxt, FTX)
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| | Re: NXT-G: Structured Programming
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(...) Agreed. I've seen this approach being bounced around with some FLL teams, and it's really a nice solution to the limited memory issues some are having. Not only can they switch between programs rapidly, but this can potentially save a *lot* of (...) (18 years ago, 23-Oct-06, to lugnet.robotics.nxt)
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| | Re: LCD image editor for the NXT -- at LEGO Engineering.com
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(...) Ah, so it's just the documentation which is unclear. (...) Yep, that now draws correctly and returns -3 same as faceopen.ric. Thanks! ROSCO (18 years ago, 22-Oct-06, to lugnet.robotics.nxt)
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| | Re: LCD image editor for the NXT -- at LEGO Engineering.com
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(...) The way that RIC files are drawn, a valid file will always produce an error result. This is because the code iterates through all the opcodes in the RIC file, executing each of them in turn until there are no more opcodes left. At that point (...) (18 years ago, 22-Oct-06, to lugnet.robotics.nxt)
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| | Re: LCD image editor for the NXT -- at LEGO Engineering.com
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(...) Hmmm. Just created a simple image and uploaded it using the NXT explorer, but when I try to display it, nothing displays and syscall returns -122. Same program displays faceopen.ric ok, but curiously syscall returns -3 for that, even though (...) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt)
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| | Re: Simple Tic Tac Toe
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(...) embelishments ;) (...) Thanks John, I'll soon start working on a miniature chess program. (URL) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt)
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| | Re: NBC with NXT - crash!
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(...) Settings shows FW 1.03, AVR 1.01, BC4 1.01, Build 2803060845 Diags window shows 01.1240/01.03 (...) Thanks John, but as you may have suspected, this program was going to be an example of how to use mutex variables in the NBC tutorial - this (...) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt)
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| | Re: Simple Tic Tac Toe
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(...) the community. John Hansen (18 years ago, 21-Oct-06, to lugnet.robotics.nxt)
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| | Re: LCD image editor for the NXT -- at LEGO Engineering.com
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(...) nxtRICEdit is a utility written by Andreas Dreier. The lego engineering site does not make this clear. Andreas is working on an enhanced version of this editor to add support for some of the more advanced features of the RIC format. Some form (...) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt, FTX)
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| | Re: NBC with NXT - crash!
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(...) Running this program on my NXT does not cause mine to crash. Are you definitely running the 1.03 firmware? You can see the version using Settings|NXT Version on the NXT or from the Diagnostic window in BricxCC. My brick shows 01.1240/01.03 in (...) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt)
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| | NXT-G: Structured Programming
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A First Lego League team wants to use the NXT buttons thusly: left - decrease program number right - increase program number enter - run mission program at end of each mission program, return to main program selection loop. They do something like (...) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt)
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| | Re: Simple Tic Tac Toe
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(...) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt)
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| | Re: Bluetooth and windows 2000
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Hi Patrick, (...) It took me a while to find a working BT dongle working with W2000 and NXT, but the Belkin F8T013 does the job. The cheap "Blue Soleil" adaptor I tried before does not work. Philo (18 years ago, 21-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: Bluetooth and windows 2000
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Hi Patrick, (...) It took me a while to find a working BT dongle working with W2000 and NXT, but the Belkin F8T013 does the job. Philo (18 years ago, 21-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Bluetooth and windows 2000
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Hi, I am using the Lego software with Windows 2000, and there is OK, I had no problem either on installation or using it. But before I buy a bluetooth dongle, i want to know if anybody is using bluetooth with windows 2000, or if it is impossible at (...) (18 years ago, 21-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Simple Tic Tac Toe
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Just a quick one I whipped up for a bit of fun. No sensors, no motors. (URL) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt) !
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| | NBC with NXT - crash!
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Hi, I wrote the following program, and it causes my NXT to crash! If I remove the ReadSensor() call from thread check_sensors, it doesn't crash. If I put a call to ReadSensor() in thread main, it doesn't crash. I tried putting mutexes around all the (...) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt)
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| | LCD image editor for the NXT -- at LEGO Engineering.com
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I just found out about this website, a partnership between LEGO and Tufts University's Center for Engineering Educational Outreach: (URL) Of special interest is their LCD image editor application for the NXT (Windows only), found here: (URL) (18 years ago, 21-Oct-06, to lugnet.robotics.nxt, lugnet.robotics, FTX)
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| | Re: Defective Ultrasonic sensor - Please Help
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(...) Thanks to everyone who helped me with this issue. Special thanks to Philo who pointed the right direction to open the US Sensor. Now it's fixed and working all right. Finaly I got an answer from Lego support, but they told me there could be a (...) (18 years ago, 20-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: Defective Ultrasonic sensor - Please Help
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In article <J7AuCz.GsB@lugnet.com>, Patrick Levy <patrick@omiccron.com.br> writes (...) Interesting, it did not seem easy to do, and as Lego have published the circuit diagram I lost interest in doing so. For the circuit information see the Hardware (...) (18 years ago, 19-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | GUI Bluetooth problem
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Hi I’m building a GUI interface for my NXT plotter (www.norgesgade14.dk/lego) and I want to change variables on the NXT itself - making the plotter able to draw squares of different sizes - how is that possible? Also I am having problems closing the (...) (18 years ago, 18-Oct-06, to lugnet.robotics.nxt)
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| | Defective Ultrasonic sensor - Please Help
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I decide to start a new subject for this, because I just figured out the problem with my US sensor. Thanks to Philo advice, i did easily open the sensor and I found this broken wire connection. So, when I connect this wire in the place it seems to (...) (18 years ago, 17-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) What I discover just now: If I press the light gray conector case behind the sensor case with my nail, it will report the correct values!! but when I release, it stop working again. It seems to be a bad contact inside the sensor. How can I fix (...) (18 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT-G using RCX items.
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(...) Hi John. Please also read my previous posts about this subject. (URL) (18 years ago, 15-Oct-06, to lugnet.robotics.nxt)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) I don't think that's an issue. In the sensors I have the mesh is not straight. Steve (18 years ago, 15-Oct-06, to lugnet.robotics.nxt)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) No, is not. I am in "desperate mode", so, by now I am using only the NXT brick and the US, and trying to figure out more information about this condition... I realize now that the black grid in front of the right "eye" of the sensor is turned (...) (18 years ago, 15-Oct-06, to lugnet.robotics.nxt)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) Yes, "stationary" is the correct word... The problem that i bought this one in UK, but i live in Brazil. No one here have this set (Actualy, i don´t know anybody who plays with LEGO mindstorms also...) With BrickxCC watching this sensor I get (...) (18 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: Managing Memory
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(...) I've tested some, but not a lot (speed of execution I've tested more). Yes, NXT-G is not memory-friendly, *but*... (URL) biggest first problem is putting a bunch of nice sound files on-board (and especially not deleting them later). The nest (...) (18 years ago, 15-Oct-06, to lugnet.robotics.nxt)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) Is this sensor mounted on a robot? Make sure you don't have anything anywhere in front of the robot. Steve (18 years ago, 15-Oct-06, to lugnet.robotics.nxt)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) I'm not sure what you mean by "completely stopped" - stationary? I suppose it's possible that you actually have a bad US sensor. If you can find someone with a working one, try swapping sensors with them and see if the problem is isolated to (...) (18 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT-G using RCX items.
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----- Original Message ----- From: "Roger Glassey" <glassey@ieor.berkeley.edu> To: <lugnet.robotics.nxt...ugnet.com> Sent: Sunday, October 15, 2006 12:53 AM Subject: Re: NXT-G using RCX items. (...) Thanks for the infomation Roger. I'm going to (...) (18 years ago, 15-Oct-06, to lugnet.robotics.nxt)
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| | NXT Ultrasonic reporting wrong values
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A just get my NXT, and everything works fine, but the ultrasonic sensor is not reporting correct values. No matter what distance or direction it is pointed, the readings changes quickly from 1 to 3 inches (3 to 7 cm) even if the sensor is completely (...) (18 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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