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.

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8
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1answer
565 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 ...
0
votes
1answer
270 views

software for LEGO NXT 8527 [duplicate]

where can I get an updated software version for my LEGO NXT 8527? I bought my LEGO NXT some years ago and now that I want to use I can install the software on my current computer.
1
vote
1answer
66 views

Bluetooth communication between computer and nxt using RobotC

I'm thinking starting a project involving controlling the movement of a NXT robot from the PC using RobotC. Is it possible? Does anyone have a simple code solution?
4
votes
1answer
3k views

How do I update my NXT firmware using EV3 software

The new EV3 software tells me to update my firmware on the NXT. When I go to the tools menu and select update firmware it tells me the NXT brick can not support this function.
2
votes
0answers
17 views

Using Dexter WiFi Sensor with Robot C

My wife bought me a Mindstorms NXT system a few years ago and I bought a Dexter WiFi sensor (http://www.dexterindustries.com/manual/wifi/) for it, By the time I got a chance to work with it, I found ...
10
votes
6answers
24k 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 ...
2
votes
2answers
59 views

I need a block that can combine a movement program with NXTbee radio

I am a student. I am working on a science project using LEGO Mindstorms robots enhanced with NXTbees creating a mesh network. My engineering mentor has me using LabVIEW. I am trying to find a block ...
2
votes
2answers
169 views

How to turn the NXT at an angle with NXC

How can I program, with NXC, a Lego NXT to turn a specific angle? I've tried using wait() but the problem isn't solved. Can I use RotateMotor()? What parameters should I use? For example if I want ...
9
votes
4answers
4k 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 ...
1
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3answers
302 views

Programming NXT color sensor with NXC?

Currently I am working Lego robot that solves 2x2x2 Rubik's cube. I am programming Lego Mindstorms NXT 2.0 color sensor in BricxCC. I already have RGB data with the command ReadSensorColorRaw. I ...
16
votes
4answers
10k 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 ...
1
vote
1answer
35 views

Control two Lego NXTs with an Arduino

I'm new here and also very noob with the Arduino. I have a basic knowledge in Java and some more in C# so code isn't a problem. I can learn it easily. I have a project assigned. I would like to know ...
4
votes
2answers
99 views

Mindstorms Software Versions

Here is what I have: Site licences for Mindstorms Software 1.0 (NXT) and EV3. An upgrade to Version 2.0 for the NXT 9 NXT kits 4 EV3 kits 2 Renewable Energy Kits and Temperature sensors My ...
0
votes
0answers
31 views

What causes the NXT Error 1055 in LabVIEW?

The NXT device won't work. I made a program that is an move forward unlimited, and it only rotates the right wheel a tiny bit, before it stops. I tried replacing motors, replugging in cords but ...
1
vote
1answer
49 views

Absolute Turning Motor in NXC

How can I turn my motor to 123 degrees, not for 123 degrees? I tried the PosRegSetAngle("output", "angle") command and didn't work. Documentation for PosRegSetAngle
1
vote
0answers
32 views

Block Platform parameter is not instanciated

I used Simulink to write a program for LEGO Midstorms NXT. I can post the design if needed. The problem is that when I want to run it on hardware, it gives the following error: Lego mindstorms NXT ...
0
votes
1answer
128 views

Raw RGB data to Color?

I'm trying to convert the raw RGB values from a Colour Sensor into HSL but it doesn't seem to be working: R = rgbn[INPUT_RED]; G = rgbn[INPUT_GREEN]; B = rgbn[INPUT_BLUE]; var_R = ( R/255 ); var_G = ...
2
votes
1answer
116 views

Connection between two NXT bricks

Is it possible send information from BrickNXT_A to BrickNXTB_B? For example I have a touch sensor connected to IN_1 of Brick_A and I want send the result of the sensor status (1 or 0) to Brick_B. If ...
5
votes
1answer
51 views

What is NXT-G number format?

We've been following this tutorial to connect a NXT 1.0 brick to a PC via Bluetooth. We've been able to set up the communication, send and receive data in ASCII format. However, whenever we try to ...
2
votes
2answers
94 views

NXT Motors curving to the right

The NXT motors have been curving to the right by about 10-20 degrees. We have checked the program, no curves. We have checked the wiring, but it is also plugged in fine.
3
votes
1answer
796 views

Can I open my old NXT program files in the new EV3 software so I don't have to rewrite the entire program?

I would like to use or convert NXT-G 2.0 programs for use with the new EV3 software. Is there an easy way to convert them besides just building them from scratch in the EV3 environment?
0
votes
1answer
55 views

How to switch an NXT sensor port by a motor port? [duplicate]

Me and my partner are finishing up our robot for the RobotCup and we desperately need one more motor port. We will only use 3 sensor ports, so my question was if there was even the slight chance that ...
1
vote
2answers
34 views

Bluetooth Conection PC-NXT1-NXT2

I want to connect, via Bluetooth, one PC with a NXT brick and then have that NXT communicate with another NXT. So I send a message from the PC to NXT1 and have NXT1 send a message to NXT2. Is this ...
1
vote
2answers
392 views

How to install NXT Firmware 1.28?

Lego is giving 1.31 from their website but I need 1.28, how can I install it?
1
vote
1answer
625 views

Is it possible to connect EV3 and NXT bricks like master/slave configuration via bluetooth?

Can I make a Bluetooth connection between LEGO EV3 bricks and LEGO NXT bricks? and If it is possible how to handle the software to make a chain between them?
4
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0answers
73 views

PC To NXT Brick via Bluetooth

We have a fully-working java programme which 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 ...
1
vote
0answers
50 views

How to Return a Motor to a specific value [duplicate]

I've created an arm robot using Mindstrom NXT that can find an object pick it up and move it to an new and random location. My problem is that I would like for the motor to, at the end of the program, ...
3
votes
2answers
438 views

Return a robot to its start position?

I have a LEGO NXT robot, and after some movements I would like it to return back where it started. After some research, it looks like my best option is to revert the motors. To decode their movements ...
5
votes
1answer
3k 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 ...
0
votes
0answers
45 views

Use of Mindsensors IMU with Labview

I thought someone could help me with a the Mindsensors AbsoluteIMU ACG and its use with the Lego Mindstorms NXT. Is it possible to use it with and get data out of it?
2
votes
1answer
524 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 ...
0
votes
0answers
55 views

How to transfer my F# exe file to NXT brick

I have developed a project in F# with MonoBrickFirmware library. I want to transfer the project to NXT brick, and run it.
13
votes
4answers
21k 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 ...
0
votes
0answers
47 views

Linking two blocks [duplicate]

I am in a contest and would like to use one Mindstorm block to control another. I am new at this. We are in invention section of the contest and trying to develop a pipe laying machine. Basically I ...
3
votes
1answer
114 views

Can I Conect 2 NXTs so that they work together?

I am building up a robot and I want to use 2 NXT connected together because I need more than 3 ports A,B,C. So my question here is: When I write the code, is there anything different I have to do? ...
1
vote
1answer
231 views

NXT program not running

We have multiple NXT Bricks. We can read sensor data and motor degrees from View. Some are running FW 1.31, others FW 1.28. When we try a simple 5-step NXT program, the motors will not turn. We tries ...
1
vote
3answers
832 views

Are NXT Light sensors compatible with EV3?

I would like to use the NXT light sensors my EV3 brick. I don't have enough light sensors as I need 2 for each robot (per set) and it only comes with one. However, I have a lot of NXT sensors. Will ...
2
votes
1answer
218 views

How to program light sensor to follow moving light using NXT

Cannot figure out how to simply program Lego Mindstorm NXT robot to follow another moving robot that has a bright LED light attached to it. Currently my programme looks like this:
0
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0answers
25 views

Programming sensor to follow light [duplicate]

Cannot get sensor to follow light on other moving robot.
2
votes
3answers
1k views

NXT Brick will not update firmware

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 as ...
5
votes
1answer
219 views

Flash update breaks the Mindstoms NXT viewer

After udating to the lastest version of Flash on my Macbook Pro (OS X 10.7.4) The Mindstorms NXT software that comes in the box no longer displays the build instructions. It does load up, but the ...
3
votes
1answer
1k views

How do I get the Mindstorm EV3 software to recognize an NXT brick via Bluetooth?

I'm trying to program my NXT brick via the EV3 software over a Bluetooth connection. I can connect it via USB (although that too failed initially but has since resolved; not sure why) but I'd really ...
3
votes
1answer
47 views

NXT brick not executing programs correctly

I have an issue that I am hoping someone might be able to resolve: We're using Mindstorms in the classroom as part of a STEM program and have one NXT brick that wont execute programs correctly. The ...
3
votes
1answer
82 views

How can I tell if my NXT motor is faulty?

I pulled my old Mindstorms NXT out of storage (it's been there for a few years). After patching together a test robot, I noticed that my motors behave strangely. At first, one of the motors did not ...
2
votes
1answer
361 views

How to locate objects, and move towards them, without pre-programming the path

So I need to find objects in an enclosed area, I have access to the standard set of NXT sensors, i.e. ultrasonic/light. However, the ultrasonic sensors seem to be very unreliable and erratic, in ...
2
votes
1answer
237 views

What's the sight of the ultrasonic sensor according to the distance of the object?

Hey I'm programming a sumobot for a first-year university Civil Engineering project. We should need the sight of the ultrasonic sensor according tot the distance of an object. For example, the sensor ...
1
vote
1answer
56 views

NXT shuts down USB on Mac after connecting motors

After successfully connecting our NXT to my Macbook Air and upgrading firmware to 1.31 we built our first robot. We plugged in the motors to ports A, B & C and now we get an Error stating that USB ...
2
votes
2answers
2k views

Is there a fix for an NXT reporting “File error!” when running an EV3 program?

I downloaded the new EV3 software from Lego and installed it on Windows 7. The EV3 software runs. I plugged in an NXT using a USB cable. EV3 can edit the memory on the NXT and remove ...
1
vote
1answer
102 views

Is it possible to use a LEGO NXT ultrasonic sensor for a LEGO train crossing?

I was looking at LEGO NXT components, and I found the ultrasonic sensor. I was wondering that if I put off to the side of the track, the nose of my train would activate the sensor, thus operating the ...
3
votes
2answers
94 views

Faulty NXT Motor

I have a motor that prevents the program from running. It simply allows a few slow movements forward with stops in between. It seems very stiff to rotate manually. Any way I can repair this motor?