Questions tagged [nxt]
A programmable robotics brick released by the LEGO company in late July 2006 and uses Technic connectors. This was preceded by the original RCX brick, and succeeded by the EV3 brick.
243
questions
48
votes
7
answers
58k
views
Is there any other way to program the Lego Mindstorms NXT other than the provided software?
I'm curious to know if there is any way to program the NXT other than the provided software.
I don't necessarily have any issue with the software.
Does the program created by the software translate ...
27
votes
5
answers
18k
views
How can I use more than three motors with one NXT brick?
I'm building Caterpillar Excavator with my NXT, and at the moment I'm trying to control 4 points of motion:
2 Caterpillar Tracks - These should be controlled independently to allow for cornering, etc....
23
votes
3
answers
7k
views
What are the differences between the NXT and the RCX?
What are the differences between the NXT and the RCX? I know that the NXT is newer, but what features does it have that the RCX doesn't have, and vice versa (if the RCX has features that the NXT doesn'...
21
votes
5
answers
3k
views
How can I build an (automatic) Mindstorms charging-station?
I'm thinking about buying LEGO Mindstorms and start programming robots. I'm a software engineer and LEGO fan since I was a child so this sounds like the perfect combination of my dearest hobbies.
But ...
21
votes
4
answers
86k
views
Where can I download the LEGO Mindstorms NXT 2.0 IDE?
I want to see how well that IDE runs on my old Windows XP laptop.
I looked on www.lego.com, but it seems to all be documentation (downloads).
21
votes
4
answers
11k
views
How to calibrate NXT motors to travel the same distance?
The motors included with the NXT are not all created equal - when given the same input power level, they do not always go the same distance or turn at the same rate.
I measured this by creating a ...
21
votes
1
answer
21k
views
NXT screen either flickering or blank, what do I do?
The screen on my LEGO MINDSTORMS NXT brick has just stopped working. It is either flickering, or blank. I have tried turning it on and off, installed fresh batteries, and I can even hear the selection ...
19
votes
3
answers
6k
views
Is Technic compatible with Mindstorms?
My wife bought me a Mindstorms NXT 2.0 for my birthday. I've been reading up on it from as many sources as possible however apart from the 9695 Education Resource Set which adds some additional bricks ...
19
votes
4
answers
15k
views
Is Mindstorms EV3 backwards compatible?
LEGO Group announced the next Mindstorms version, the EV3 which will be available in the Fall, 2013.
Does anyone know if the new version, specifically the controller, will be backwards compatible ...
18
votes
4
answers
8k
views
As of November 2011, should I buy the NXT 2.0 now, or wait and buy the NXT 3.0 later? [closed]
I have played with the original RCX when I was in school, and I'm so in love with it. Now I have just got my first job and I would like to get an NXT robot. However, I saw in this Wikipedia article ...
17
votes
1
answer
2k
views
How can I make a precise one-way clutch using Technic elements?
I need a mechanism so that if a (NXT) motor rotates forward, it moves one gear, but the other stays still, but if it rotates backwards, the first gear does not move, but the second one does.
I found ...
17
votes
1
answer
4k
views
What is the difference between the NXT 1.0 controller and the NXT 2.0 controller?
I've tried to look this up but I can't find anything. As far as I can tell, the controller bricks (the white ones w/ buttons and a screen) are exactly the same and the only difference is NXT 2.0 comes ...
17
votes
3
answers
752
views
What are some free kid-friendly tutorials to get started with Mindstorms Nxt 2.0?
My daughter (10) got the NXT 2.0 for christmas. It doesn't really come with any tutorial. I'm looking for something she can follow which will teach her to use each of the sensors and slightly more ...
16
votes
2
answers
9k
views
Can I use RCX sensors and motors with the NXT brick?
I have a bunch of motors and sensors from the original Mindstorms set. It seems a shame I can't use these with the more recent NXT set. Are there any unofficial modifications that allow you to convert ...
16
votes
1
answer
1k
views
What are all the different accessories that I can get for an NXT?
Pretty simple...What are all the different accessories that I can get for an NXT? I know this could turn into a list, but this will be a helpful list, I think.
15
votes
3
answers
9k
views
How accurate is the ultrasound sensor when moving?
Can I use an ultrasound sensor while the Robot is moving, or will it give bad data?
15
votes
4
answers
31k
views
How can I wirelessly connect the NXT and an iOS device?
I've seen videos around YouTube (like this one for a car) that show an ability to control a Mindstorms set via iOS (either iPhone or iPod Touch). I am just getting started with Mindstorms, but find ...
13
votes
4
answers
5k
views
Can I control 2 NXT bricks from a computer using bluetooth at the same time?
I am thinking about starting a project involving controlling the movement of a mindstorms robot depending on some input from a Kinect device; however the robot will require at least 6 motors. I have ...
13
votes
1
answer
439
views
Where can I find "hacker" information about the NXT?
I want to know if, and where, is some extremely detailed hacker information on the Mindstorms NXT 2.0. Things such as the processor, flash memory, and RAM information, GPIO or I2C support, custom ...
12
votes
3
answers
4k
views
What are all the third party (unofficial) accessories I can get for an NXT
Similar to this question but I'd like to know about 3rd Party/aftermarket options instead please.
I've heard about motor multiplexers and the like but are there others, i.e. more sensitive colour ...
11
votes
2
answers
804
views
What is the Mindstorms NXT Education kit?
I am considering gifting some Mindstorms NXT 2.0 to school, because I think they would get great value from it. I see that there is an "education kit", and I wondered if that's the way to go.
Does ...
11
votes
2
answers
2k
views
Can we program Nxt2 in C++ under Visual studio 2010?
I'd like to know if it is possible to develop C++ software for NXT2 using Visual Studio 2010 as IDE. I know there are small online projects for NXT but I can't find nothing about NXT2.... Any ...
11
votes
1
answer
363
views
How much depth does the NXT battery pack add?
The NXT rechargeable battery pack does not fit flush with the back of the NXT brick like the battery cover (used with 6xAAs) does. I don't have the battery pack (yet), so I was wondering how much ...
11
votes
2
answers
988
views
Why does this program work in LabView when targeted to computer but not to NXT?
I have a program written in Labview for my LEGO Mindstorms NXT 2.0. When the target is set to the computer, the program works just fine. However, when I set the target to the NXT, the program doesn't ...
10
votes
6
answers
33k
views
How to fix Mindstorms Error Code 1003
I am using the Lego Mindstorms NXT Education Kit, software version 2.1. Everything was working fine writing programs and downloading them to the robot until all of a sudden when I tried downloading a ...
10
votes
4
answers
10k
views
Programming Mindstorms on a chromebook
I know there is no official way to program NXT/EV3 on a Chromebook.
But a Chromebook can have Ubuntu installed via Crouton in developer mode.
So, is there a relatively painless way to program NXT/...
10
votes
1
answer
1k
views
Lego Mindstorms EV3: programming language recommendation
I am planning to build an autonomous car in LEGO Mindstorms that will use ultrasonic or infrared sensors and in the future also a camera for line tracking. Currently I construct my programs using the ...
10
votes
4
answers
8k
views
How to make Mindstorms respond differently, depending on which sensor is triggered?
I am new to Mindstorms (but in my day job I am a programmer).
I want to make my robot do one thing if the touch sensor on port 1 is pressed, and do something different if the touch sensor on port 2 ...
10
votes
1
answer
1k
views
Can I use two ultrasound sensors at a time?
Is there a way to use two ultrasound sensors on a Mindstorms NXT without them interfering with each other?
10
votes
1
answer
1k
views
How to simulate Lego Mindstorms programs written in C#?
I am going to do some programming for Lego Mindstorms in C# using
http://www.mindsqualls.net/
and have a question. Is there any good simulator to see result of my program without uploading the code ...
10
votes
1
answer
1k
views
Connecting to NXT Brick via Processing over Bluetooth
I am attempting to control my NXT model via the Processing programming language rather than the provided language based on LabView. When I can establish a connection over Bluetooth, this works rather ...
10
votes
1
answer
320
views
NXC Saturation algorithm for limiting motors?
What is a good algorithm in NXC for control saturation? I want to make sure my motors don't turn past a certain angle, or they will break the model.
I could do something like:
if (angle > 45) {...
9
votes
1
answer
2k
views
NXT motors not moving?
I've been looking around the net for a solution to this problem, to no avail.
After taking my NXT v1 out of storage, I tried using a motor, but it sortof just, moves back and forth once, then '...
9
votes
1
answer
802
views
Alternative controller for LEGO NXT
I love the NXT platform and have quite an investment in sensors and motors, etc. I would like to know if there are alternative controllers that have been integrated with the NXT sensors/motors. By ...
9
votes
1
answer
882
views
Is it possible to display large text on an NXT using LabVIEW?
In RoboLab and using RobotC, it's possible to write LARGE text to the screen of the NXT. In RoboLab, this can be done by just typing [\big] at the beginning of a string constant which is wired into a ...
9
votes
1
answer
1k
views
Where can I download the Samantha Field Control System?
Could someone please provide a download link? It seems that all traces of the program has disappeared from the internet, and I need this to get my robot moving wirelessly. Any help would be greatly ...
9
votes
2
answers
649
views
PC To NXT Brick via Bluetooth
We have a fully working java program that can connect to another computer and can send messages from this (both sides run java and we used SPP Server and Client).
However, when trying to connect to ...
9
votes
0
answers
330
views
PosRegEnable - How to change motor parameters? [closed]
I want to set PID parameters for a faster 'attack' when using PosRegEnablePID() on a motor. I am compiling with nbc/nxc 1.2.1 r4 mac osx fatbinary using -Z2 and -EF flags.
But the compiler says:
# ...
8
votes
3
answers
12k
views
NXT Brick will not update firmware (clicking brick syndrome)
I'm running 6 NXT robots in an introductory class.
Occasionally we've had bricks that would not accept a program and I've reset the brick by pushing the reset button under the battery pack as well ...
8
votes
3
answers
5k
views
Does LEGO no longer support NXT 2.0 at all?
I am running Mac OS X 10.15 (Catalina) and the EV3 software can't detect my NXT 2.0 using USB.
8
votes
2
answers
6k
views
Is it possible to retrive a text file from an NXT?
I am on a SeaPerch building team which is starting to use a Vernier Dissolved Oxygen probe, connected to an NXT to log the data. I have a bit of programming experience, but nothing in particular with ...
8
votes
1
answer
406
views
NXT motor power accuracy
When turning the motors, how precise is the speed parameter? I am programming in the NXC language (standard firmware) and wishing to know how many decimal points will be taken, if any, and whether the ...
8
votes
1
answer
2k
views
How can I power an NXT motor without the NXT brick?
I know almost nothing about robotics, so I was wondering how can I power the nxt motor without using the nxt brick, and how can I send signals to it?
8
votes
1
answer
848
views
NXT brick output ports not working properly
My NXT brick will not let motors run. When I download a program the motor will move forward and backward and then stop - sort of a wiggle. Another motor will not work at all. This happens for all ...
8
votes
1
answer
5k
views
Mindstorms 2.0 can't download to NXT brick with error 142023
Using Mindstorms education 2.0 on a Windows 7 computer I can't seem to get the program to see the NXT via USB or bluetooth dongle.
When connected by USB nothing appears in the NXT window with device ...
8
votes
1
answer
437
views
How can I control nxt 2.0 robot with a Wiimote in labview?
I am building a robot with Labview for LEGO Mindstorms and I have wanted to hook up the robot to move based on a Wiimote or Wii remote. However, I have not found a file to download to enable me to do ...
8
votes
1
answer
473
views
Is there a way to change the Lego NXT sensor polling frequency?
I am using LEGO NXT 2.0 with the native NXT flowchart-style programming environment, I would love to be able to poll the sensors more frequently. (In particular, it seems that the light sensor is ...
8
votes
1
answer
2k
views
Adapting charger for NXT 9798 battery
I have an old style 9798 NXT rechargeable battery pack 7.2V 1400MnAh, but no charger.
Can I adapt a spare non lego 9v 200mAh charger for this? Or is voltage too high? can anyone read the output ...
8
votes
1
answer
455
views
When I connect my Samantha Module to my NXT, the NXT shows the wrench icon
When I connect my Samantha module to my NXT, it shows the wrench icon instead of the USB icon.
I have tried updating the firmware, to no avail.
The blue light does not turn on. It sees the WiFi ...
7
votes
2
answers
947
views
Can I download a programm written in C# into brick?
I use C# language and http://www.mindsqualls.net/ library. But I could not find how to download my program into brick. Actually, is it possible? Or I just have to control my nxt 2.0 robot via ...