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Yes, you can use an electromagnet with the RCX. Depends on what you want to do with it, but it should work. The device from a disk drive might be a 12 volt device, or 5. The RCX puts out around 8-9, so either way the device isn't drawing the correct (...) (19 years ago, 16-Jan-07, to lugnet.robotics.nxt)
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| | Re: Text Based Programming for NXT - pbLua is Available
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(...) This is a fantastic development! Not too long ago, I was involved in Sony PSP hacking. Although the GCC toolchain was relatively easy to build, and lots of sample code was around for writing C++ programs for the PSP, the rate of new software (...) (19 years ago, 16-Jan-07, to lugnet.robotics.nxt, FTX)
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| | Re: Text Based Programming for NXT - pbLua is Available
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(...) I am very excited about the availability of pbLua. It looks extremely cool. And fast. BricxCC already has built-in support for Lua syntax highlighting. You can also have BricxCC claim the .lua file extension via the Preferences dialog if you (...) (19 years ago, 16-Jan-07, to lugnet.robotics.nxt)
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| | Re: ReMix of LEGO NXT Starter Robot
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(...) Yes... (...) Unfortunately no, the digital motor port signals are input only (they are buffered by a Schmitt trigger). Philo (19 years ago, 16-Jan-07, to lugnet.robotics.nxt)
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| | Re: Electromagnetic device
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(...) I would add that it will take some experimenting to get the parameters correct. Pick your operating conditions (parallel outputs, or no, etc...) and then given the supply voltage and maximum current allowance, you know the coil resistance you (...) (19 years ago, 16-Jan-07, to lugnet.robotics.nxt)
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| | Text Based Programming for NXT - pbLua is Available
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All, For those of you that have been asking the question: "When will we get a simple text-based programming environment for the NXT?" I can now announce the availability of pbLua Beta 1 at: (URL) This is an implementation of Lua 5.1 for the NXT, and (...) (19 years ago, 16-Jan-07, to lugnet.robotics.nxt) !
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| | Re: Electromagnetic device
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"Patrick Levy" <patrick@omiccron.com.br> wrote in message news:JBxJ1I.En@lugnet.com... (...) when you use an electromagnet with the RCX. You didn't post the technical specifications of the electromagnet you have wired up to the sensors, did it have (...) (19 years ago, 16-Jan-07, to lugnet.robotics.nxt)
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| | Re: Car factory
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(...) ...plus a big loop of track then a "rail car recycling plant".... :-) (19 years ago, 15-Jan-07, to lugnet.robotics)
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| | Re: Electromagnetic device
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(...) supply. You might want to measure the coil resistance to see what kind of current it is trying to draw from your RCX. I do notice from your picture that you have a version 1.0 RCX equipped with an AC power input jack. Have you tried running (...) (19 years ago, 15-Jan-07, to lugnet.robotics.nxt, FTX)
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| | Re: ReMix of LEGO NXT Starter Robot
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(...) Ah, thanks for the correction. I've only studied portions of the hardware docs so far, mostly regarding the sensor ports. I realized after I posted that I hadn't completely checked my facts. (I hate when that happens!) So does this mean that (...) (19 years ago, 15-Jan-07, to lugnet.robotics.nxt)
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| | Electromagnetic device
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Hi, I was wondering if it is possible to use a electromagnetic device with the RCX and NXT. I tried with this one from a disk drive, and it worked quite well, but a few seconds after it start, the RCX shows the "low battery" icon. (The batteries are (...) (19 years ago, 15-Jan-07, to lugnet.robotics)
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| | Re: Car factory
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(...) How about a rail car factory? Jürgen (19 years ago, 15-Jan-07, to lugnet.robotics)
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| | Re: ReMix of LEGO NXT Starter Robot
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Hi Chris, (...) that is not quite right, there is an ATMEGA48 microcontroller insider the NXT Brick which generates the waveforms. It is connected to the main processor via an I2C-style interface. Besides that it also controls power to the NXT, (...) (19 years ago, 15-Jan-07, to lugnet.robotics.nxt)
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| | Re: ReMix of LEGO NXT Starter Robot
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(...) I am curious if you have tried measuring distance travelled simply by reading back the NXT motor encoder values? You would need to calibrate your 'bot so that you know the ratio of encoder units to centimeters or inches travelled (which would (...) (19 years ago, 15-Jan-07, to lugnet.robotics.nxt, FTX)
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| | Re: Car factory
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Janey posted it first, I think, but it didn't get put into the robotics or technic newsgroups (accidentally): (URL) (19 years ago, 15-Jan-07, to lugnet.robotics)
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| | Re: nqc compilation errors
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(...) thank you. specific sulution: 'nqc -Trcx2 error.nqc' instead of 'nqc error.nqc' (19 years ago, 14-Jan-07, to lugnet.robotics.rcx.nqc)
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| | Re: Sending Textmessages via Bluetooth to PC
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OK, sent you an email with the NBC program and the Perl script. If anyone else would like it let me know. (19 years ago, 15-Jan-07, to lugnet.robotics.nxt)
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| | Re: Sending Textmessages via Bluetooth to PC
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(...) Hi David, yes please... I'm very interessed in setting up BT-Communication-Parameters... Is there a snapshot of your code public available ? Thanx Christian (19 years ago, 14-Jan-07, to lugnet.robotics.nxt)
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| | Re: Car factory
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"Brian Davis" <brdavis@iusb.edu> wrote in message news:JBv2uu.LpG@lugnet.com... (...) I have an idea - why wouldn't it be possible to get a team together to come up with a standard modular design for a car factory that everyone can contribute to, (...) (19 years ago, 14-Jan-07, to lugnet.robotics)
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| | Re: nqc compilation errors
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(...) Gus is correct, although there are other targets which support arrays and indirect variables. NQC defaults to RCX as the target. You need to use the -TRCX2 switch if you are running the 2.0 firmware on your RCX and you want to use arrays and (...) (19 years ago, 14-Jan-07, to lugnet.robotics.rcx.nqc)
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