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.

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1answer
443 views

PC To NXT Brick via Bluetooth

We have a fully-working java program 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 the ...
6
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0answers
614 views

Building instructions: Robot Spider Pen by Ricardo Oliveira

Some time ago I found the following youtube video by Ricardo Oliveira of a small NXT plotter that crawls over a whiteboard. It has two strings that can be shortened through coils and with this, it ...
4
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0answers
82 views

Lego Mindstorms NXT 2.0 Not turning on

I have a Lego Mindstorms NXT 2.0, which worked well for a couple of years. However, after the last few weeks, it seems to not boot up. I took it apart, and noticed it seems to have a different ...
4
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0answers
494 views

LEGO turing machine using Rascal

I followed the instructions on LEGO Turing Machine and succeeded to build it. Next I've tried and failed to program it using NXT Mindstorm GUI. The site mentions a Rascal framework, but it doesn't ...
2
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0answers
51 views

Why won't my Lego Mindstorms NXT stop beeping/clicking and work properly?

I was trying to update the firmware on my NXT but suddenly the screen went blank and it started beeping. I unplugged and re-plugged my USB and a notification came up saying that the device ...
2
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0answers
399 views

Why can't I install the NXT software on macOS High Sierra?

I just got an Mindstorms EV3 for Christmas, and learned that you can have the NXT communicate with the EV3 in the NXT software. I tried to install the NXT software on my Mac, but all that happens is a ...
2
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0answers
44 views

NXT Mindstorms software glitch

My FLL team was doing some practice programming exercises this morning. One group wrote a program using color sensors, no issue. The next group opened a new program window and attempted to open a ...
2
votes
0answers
43 views

How can I read NXT logfiles?

I used the logfile feature to collect light intensity values. How can I get a view to this data? On the NXT brick I only found: "delete" or "send" but not "show". I tried "send" when I had an USB ...
2
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0answers
155 views

Reading NXT Touch Sensor with Monobrick Communication Library

In my program, I need to detect if a touch sensor is activated. Here's some of my code: var nxt = new Brick<Sensor, Sensor, Sensor, Sensor>("usb"); nxt.Connection.Open(); nxt.Sensor1 = new ...
2
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0answers
197 views

NXT (NXC) Programs are too slow

I am using Bricx Command Center to write some NXC code for a side project. I am working with the MindSqualls C# Library in Unity and am trying to figure out some ways to use the NXT robots in an event-...
2
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0answers
94 views

HiTechnic Color Sensor analog

HiTechnic sales support said that HiTechnic color sensor hasn't been manifactured yet. Currently it's out of stock in HiTechnic shop. Is there any analog of this sensor except NXT/EV3 color sensors?
2
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0answers
56 views

Block Platform parameter is not instantiated in Simulink

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 ...
1
vote
1answer
52 views

Online link to the LEGO NXT firmware (v1.31) source code or IAR ARM LEGO development tools?

I am looking for the source code to latest NXT firmware (v1.31). I found the binary image is on LEGO site: https://www.lego.com/en-us/themes/mindstorms/downloads, but no links to firmware source code ...
1
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0answers
42 views

NXT not updating, “Cannot locate NXT device to download firmware!”

I am using a Bluetooth connection trying to update firmware from 1.05 to 1.31 and it displays the message: Cannot locate NXT device to download firmware! My NXT works fine other than that. I got ...
1
vote
1answer
141 views

Where's the iNXTG app for programming NXT from iPad?

I'm trying to find the old iNXTG to program NXT bricks via iPad but it is no longer available in the Apple Store. Does anyone know if there exists an archive for programs like that? The problem is ...
1
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0answers
983 views

LEGO Mindstorms EV3: Camera recommendation for line tracking

I am planning to build an autonomous car in LEGO Mindstorms that will use ultrasonic or infrared sensors for collision avoidance and in the future also a camera for line tracking. I am now wondering ...
1
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0answers
837 views

NXT software V2.1 runtime installation error in windows

My system configuration: Windows 7 Home Premium 64-bit Service Pack 1. When I try to install NXT software v2.1, I immediately get the error below: Microsoft Visual C++ runtime Runtime Error ...
1
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1answer
438 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?
0
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0answers
48 views

NXT software on Windows 10 isn't detecting NXT brick

I have the Mindstorms NXT software and brick (CPU), and I worked with them a long time ago running NXT on a Windows XP. Now, I would like to retrieve the brick to teach my son, and I installed the NXT ...
0
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1answer
68 views

Where to start with a custom firmware for the NXT

In the process of hardware hacking with my NXT 2.0 I Found no easy way to connect the device as a USB storage device. Is there a specification that states how the NXT interacts over USB, or should I ...
0
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0answers
56 views

Where do I get PDF instructions for LEGO builds that were only in software, like NXT as of 2019?

LEGO Mindstorms NXT 2.0 (8547) stored almost all of its build instructions in the associated software. LEGO no longer supports the software for modern macOS versions. I can not find build instructions ...