 | | Re: Machine Made of Lego Builds Anything You Want — Out of Lego
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(...) Thanks John, that's really cool. BTW if anyone is having trouble with the page in that link, try this one instead: (URL). Also added a couple of other groups. ROSCO (14 years ago, 21-Oct-10, to lugnet.mediawatch, lugnet.technic, lugnet.robotics.nxt, FTX)
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| | Re: Text languages for programming NXT?
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(...) Last year I tried using RobotC on an RCX, and found it to be buggy and no longer maintained. It worked very well on the NXT, but I was looking for something affordable that I could use in a classroom environment, and that made it easy to (...) (14 years ago, 10-Sep-10, to lugnet.robotics.nxt)
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| | Re: Text languages for programming NXT?
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I'm getting back into Mindstorms after a long hiatus. Let me resurrect this old thread, to see what the answer is in 2010. :-) What text-based languages are most mature and best-supported these days for programming RCX and NXT? Is RobotC still (...) (14 years ago, 28-Aug-10, to lugnet.robotics.nxt)
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| | Re: NXT Newbie "Is it possible" question
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(...) I'm not sure how much time you have, or what resources... but you might be able to do this with a single set. If you put an arm on each motor, such that "track A" would hit a peg and turn the motor clockwise, but "Track B" would hit a peg on (...) (14 years ago, 24-Aug-10, to lugnet.robotics.nxt)
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| | Re: NXT Newbie "Is it possible" question
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(...) Well, just for diversity here's a slightly different approach. Make the first block a "Reset Timer" block, then split the program into four sequences. Each is simply a "Wait for Touch Sensor", followed by "Read Timer" block with the result (...) (14 years ago, 24-Aug-10, to lugnet.robotics.nxt)
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| | Re: NXT Newbie "Is it possible" question
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Thanks Kevin! That gives me a good start. once I get some sort of working model, I'll share with world for some good old fashion criticism. Chris (14 years ago, 19-Aug-10, to lugnet.robotics.nxt)
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| | Re: How is this?
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(...) Yes, change the "wait for 9" to be a "check for 9", and the problem should go away... Loop forever if Touched and distance < 9 { turn on motor } else { turn off motor } Kevin (14 years ago, 19-Aug-10, to lugnet.robotics.nxt)
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| | Re: NXT Newbie "Is it possible" question
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(...) Chris, Sure it is, as long as the NXT cables are long enough to place the sensors where you want on the track. As you already figured out, the tricky bits are in the software. Here is pseudocode for what I would do were I to program it in G (...) (14 years ago, 19-Aug-10, to lugnet.robotics.nxt)
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| | NXT Newbie "Is it possible" question
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I am hoping to build a race timer mechanism using my NXT and 4 touch sensors. Essentially I need it to be similar to a pinewood derby timer. I am holding a LEGO car race for our homeschool group, and would love to be able to do all of the timing (...) (14 years ago, 18-Aug-10, to lugnet.robotics.nxt)
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| | NXT-606 VIDEO-Sample Based Drum Machine to download.
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Take a look to video: (URL) Read more about download: (URL) NXT-606: -Monophonic sample based drum machine -24 percussion and Fx sounds -Sampling rate: 8Khz -memory: 96 measures -control: 2 rotation sensor +NXT buttons -hacked loud speaker to mono (...) (14 years ago, 29-Jun-10, to lugnet.robotics.nxt)
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| | Re: Rechargeable NXT battery DOA?
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(...) How long did you leave it plugged in? Sometimes they take a while before even the charging LEDs turn on. -- David Schilling (14 years ago, 31-Mar-10, to lugnet.robotics.nxt)
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| | Rechargeable NXT battery DOA?
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I ordered the rechargeable battery earlier this week and it arrived yesterday. It appears to be DOA as it does nothing when plugged in amd reads 0v with a multimeter. I am using a 9v regulator from a 9v train set which I have been told will work (...) (14 years ago, 27-Mar-10, to lugnet.robotics.nxt)
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| | Re: How is this?
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(...) I can see how this can happen and it depends on the sequence of events. This sequence will cause this behavior: touched AND distance < 9 - Motor turns on touched AND distance > 9 - Motor running, waiting for distance < 9 untouched AND distance (...) (14 years ago, 23-Jan-10, to lugnet.robotics.nxt)
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| | How is this?
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One of my students built the chainsaw model from nxtprograms.com. He wanted to make the blade turn only when it was at a distance less than 9 inches from the table. So he attached an ultrasonic and made one mod to the program. The program in NXT-G (...) (14 years ago, 23-Jan-10, to lugnet.robotics.nxt)
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| | PC - NXT communication with C language
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Hi everybody: I would like to communicate a NXT with a PC through Bluetooth. The NXT program would be NXC, so there is no problem there since NXC provides a set of functions for BT communication. However, I need the PC program to be written in C. Is (...) (14 years ago, 19-Jan-10, to lugnet.robotics.nxt)
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| | Re: Color Sensors Showdown
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(...) Thank you for another great review/test. I've been wondering for some time if it would make sense to order the HiTechnic Colour Sensor since I already have the LEGO Colour Sensor. Now I know. Jetro (15 years ago, 14-Nov-09, to lugnet.robotics.nxt, FTX)
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| | Color Sensors Showdown
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(URL) A comparison between LEGO NXT 2.0 color sensor and HiTechnic color sensor V2. Read it (URL) here> Enjoy! Philo (15 years ago, 14-Nov-09, to lugnet.robotics.nxt, FTX)
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| | Source Code for Enhanced Firmware 1.28
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Hi, Recently, John Hansen's Enhanced Firmware version 1.28 was posted to BrixCC. I'm trying to find out if the Source Code is available for that version. The source package (URL) appears to be for the old firmware (1.06) only (as of Sept 16 2009). (...) (15 years ago, 18-Sep-09, to lugnet.robotics.nxt.nxthacking)
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| | Re: My Lego Flexpicker Video on YouTube
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(...) Hey all, Just a moment to brag a little. I just learned that my Flexpicker robot was featured on the MAKE magazine blog ((URL) and the Singularity Hub blog ((URL) Singularity Hub blog has some very interesting comments about DIY robotics that (...) (15 years ago, 16-Sep-09, to lugnet.robotics.nxt)
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| | Re: NXT utilities for Mac OS X
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(...) Since the nxtasy forums require that you be a member before you can download any attachments I have also uploaded the NeXT Tools Mac OS X application to my BricxCC website. There is a link to the utilities page in the NXT News section near the (...) (15 years ago, 2-Sep-09, to lugnet.robotics.nxt, lugnet.robotics)
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