Questions tagged [software]

Questions about software related to planning models or programming LEGO robots.

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39 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 ...
3
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0answers
41 views

Connectivity graph for a digital model

I'm looking for a way to take a digital representation of a model (e.g. an LDD or LDraw file) and extract from it a representation of the model that describes which pieces are actually connected to ...
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1answer
42 views

How do I remove programs from my Lego Mindstorms EV3 project?

The title says it all. But to be more specific, I find it annoying that I have to download one single program to the EV3 Brick but then all the others in the project end up in the brick too, therefore ...
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110 views

Given program for EV3 Race Car doesn't work, but why?

I have successfully built an EV3 Race Car with instructions from a fan-made book made by Laurens Valk. In the book, he tells how to make my blocks for the rack-and-pinion steering and how to make a ...
2
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0answers
66 views

Lego Mindstorms Software: “Error code: 4”

After updating my EV3 Brick's firmware from V1.09E to V1.10E and reinstalling the Teacher Edition of the Lego Mindstorms EV3 software (even though I'm not a teacher), I decided to recover my Brick's ...
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39 views

Bluetooth connection between EV3 brick and MacBook Pro fails after 2 seconds

As I was adviced, I searched for same questions before posting mine but although some are similar, I can't make their answer useful for my problem. I have a Mindstorms EV3 Education brick and a ...
2
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1answer
357 views

Current LEGO Digital Designer download is missing a lot of parts [duplicate]

The current LDD download is missing a lot of bricks that were in version 1.3.11 before. Such as, but not limited to: EV3 motors, sensors and the main EV3 brick. Does anyone have a solution/download ...
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1answer
120 views

How can I upload .ev3 files to my brick under macOS Catalina

After updating my Mac to macOS Catalina I can no longer run the previous Mindstorms software. The new tool "Mindstorms Home" doesn't allow for opening .ev3 files and uploading them to the brick. Does ...
3
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1answer
127 views

Schematic and program listing of 28743?

Looking for more info on circuit board of 28743. E.g. what is the processor used? Would like to be able to reprogram the chip. E.g. program the train to stop on the third STOP directive strip, or ...
4
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1answer
74 views

Can I use Microsoft Makecode to programme Lego NXT bricks?

As a teacher, I only have access to Chromebooks and I cannot (IT will not let me) use Linux on them. I'm trying to use a text-based coding language to programme NXTs. I would use ROBOTC, but I cannot ...
9
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0answers
89 views

Is it possible to use EV3 MicroPython with Windows 7?

I have been trying to get python on my EV3 brick using an EV3 MicroPython SD card image as described on the Lego website. The EV3 brick seem fine with its new OS. Instead my problems are at the ...
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0answers
88 views

Could Microsoft MakeCode be an alternative to the EV3 program?

Is it possible to use Microsoft MakeCode for the EV3 as an alternative to the widely used EV3 program by LEGO? What are the benefits and drawbacks?
6
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3answers
478 views

What kind of software can I use to design LEGO MOCs?

What kind of software can I use to design LEGO MOCs? I hear the LDD is not so good to use so is there alternative software I can use?
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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 ...
5
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3answers
632 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.
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0answers
38 views

How to import file to Mindstorm Programmer?

I got a Mindstorm set a year ago and I stumbled across a build which looked really cool! I finished the building part then I downloaded the program file but I couldn’t import it. I have a MacBook ...
2
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1answer
205 views

Coloring Multiple Bricks in LEGO Digital Draw

I made the mistake of not coloring as I went while building a large object in LEGO Digital Designer. I don't want to spend hours coloring each individual brick. Is there a way I can box select the ...
4
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2answers
4k views

EV3-specific bricks missing from Lego Digital Designer 4.3.11 (Win)?

I have LDD on my Mac and have used it to create EV3 models (like an FLL robot, or a Lego dot-matrix printer). Recently, I purchased a cheap Windows laptop for use by a FLL team. After twice ...
2
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1answer
3k views

LEGO Digital Designer does not to connect to the Internet on Win10 laptop

I just installed on a MSI laptop running Windows 10 Ver. 1803 with a gigabyte internet connection (960mps upload 950mps download). Every time I start up the application, it immediately displays a ...
2
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1answer
535 views

How to make an object glow in Studio (BrickLink)

Is there a way to add glow color to objects in the BrickLink's Studio? The thing I am trying to do is to make a glowing bulb so I can have it as a light source in enclosed areas (Like a room) and ...
3
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1answer
110 views

Is there a software which finds alternate models for owned sets?

I know for example the catalog of BrickLink and now I wonder if there is a software which can calculate from the inventory lists which other models one can build with an owned set? To more detail: If ...
4
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1answer
2k views

Can video files created using the LEGO Movie Maker app be accessed directly?

I recently created a video with my son using the LEGO Movie Maker app. I couldn't find a way to export the raw video files out of the app. Is this possible?
2
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1answer
47 views

Submodel does not show properly in LPub3D

I am new to digital LEGO models and building instructions with LPub3D. In order to find my way around submodels I have created this very simple dummy ldraw model: 0 FILE new model.ldr 0 Name: new ...
2
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1answer
218 views

How to include submodel into main model in LeoCAD?

In LeoCAD I can create multiple submodels. But how do I merge them or integrate one into the other? The release notes suggest that this is possible, but I can't seem to find out or find resources ...
1
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1answer
137 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 ...
2
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2answers
170 views

Is there a Ubuntu Linux LEGO instruction manual creator?

Is there a good LEGO instructions manual creator for Ubuntu? I can't seem to find one. Also, are there any online ones?
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1answer
175 views

Where to place your own ldraw pars

I just started designing LEGO instructions. I used LeoCAD to built the model and Web Lic to create the instructions. Being a Linux developer, Windows is hard to use and access. It seems bricks ...
6
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1answer
120 views

How to distinguish official LEGO mini movies from non-official movies?

My sons (7 and 4.5 years old) love watching LEGO city mini movies on YouTube. They love watching all kinds of LEGO city mini movies, such as: Arctic Explorers The Escape From Prison Island ...
4
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1answer
463 views

Mindstorms Chromebook app Stuck in Zoomed-Out Position

We are using the LEGO Mindstorms app on Chromebooks. Our test program got zoomed-out to the point of being too small to read. The remainder of the screen is normal sized. We've tried using 2 fingers ...
1
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1answer
170 views

Why does the Gyro Sensor not work correctly in Virtual Robotics Toolkit?

I somehow found out about Virtual Robotics Toolkit and when I did, I decided that it would be great software to use for Lego League. Later in my research, I found that it automatically had the newest ...
6
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1answer
117 views

How can I find overlapping bricks in LeoCAD?

I've just started using LeoCAD to generate instructions for a model I want to share. I've been able to get it working despite the sparse tutorials. But in looking at my results so far I see that I'...
4
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1answer
254 views

App (Win/Android) for managing and cataloging Lego sets

I'm looking for an app to keep track of my Lego sets. For my DVDs/BRs I'm using DVD Profiler: Desktop application (Win 7+) Android/iOS app They sync by using a single account But you can use all the ...
3
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1answer
279 views

How to visually search for specific parts in a 3D model?

For a missed/loose piece that needs to be reattached, I plan to check all the steps where the piece was used. If I can also get an overview of the possible piece locations from the existing 3D models, ...
4
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1answer
3k views

Is there any software for designing and testing Technic mechanisms?

I'm finding Technic parts can be challenging sometimes, and the costs can be high. Is there any 3d design software that can help with designing before I decide to buy the parts?
3
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2answers
126 views

Compare part lists between Stud.io models?

I've created a MOC using Stud.io, bought the pieces and built it. Since it was unstable I've changed the model in Stud.io, and now I would like to buy just the pieces I've added. I could compare both ...
1
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1answer
103 views

How to use the direct command to make EV3 motor backward?

I write the java language. I use ev3 direct command make ev3 motor to run, example: "opOUTPUT_POWER,LC0(0),LC0(0x01),LC0(20), opOUTPUT_START,LC0(0),LC0(0x01)" In this case, the power is 20 so I ...
11
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1answer
419 views

Is there a rock wall generator?

In Lego store, and on many photos on the Internet, I've seen vertical "rocky" walls made of slopes and simple 2x1 bricks. For example this one. Is there a software that would take wall length and ...
3
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1answer
728 views

Which of the LEGO Mindstorms 9797 (NXT Education base set) Software is compatible with Windows 10

I have LEGO Mindstorms NXT 9797 and downloaded the following Windows PC Versions: NXT Edu 2.1F6 PC App ---Education Version NXT Ret 2.0F5 PC App ---Home Version Which one of these are compatible ...
3
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1answer
202 views

Can the BrickStore part database be updated?

Is there a way to update BrickStore database with new element numbers, sets, and pictures of the elements? How would you do this?
4
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1answer
529 views

What is the LEGO EV3 rpf file?

I read the LEGO Mindstorms EV3 Communication Developer Kit's document. I have a question in 4.2.1 (Start program “Demo” on EV3 brick) it is mentioned "The file-extension is "rpf" and NOT "rbf", so ...
2
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2answers
62 views

amazon.fr hints that the Boost app will be available on phones?

At this moment (end of the year, 2017), the description for Lego Boost on the french amazon site includes the notice: Enfin, l'application sera également disponible sur smartphones dès les ...
2
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1answer
588 views

Lego Mindstorms education NXT 9797 software for a MacBook Air [duplicate]

Where can I find Mac OS compatible software for the Lego Mindstorms Education NXT Base set (9797)?
3
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1answer
3k views

How do I have an else in conjunction with an if statement with two conditions?

I can't find a way to emulate an AND statement in a switch statement: if (angle >= 10 and angle <= 30) ;// do smth else ; // this is what I want Until now, I just nested two if ...
3
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3answers
6k views

EV3 brick Bluetooth connection error

I’m unable to pair the ev3 brick to our iPad mini. Both see each other but I keep getting this error on the ipad, Connection Unsuccessful, make sure ev3 is turned on and in range. And the ev3 shows a ...
5
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4answers
2k views

How to load an RCX from a modern system?

I recently bought a new in box 1.5 Mindstorms kit featuring the RCX. My computer unfortunately does not have a 9-pin connection, and the software does not appear to work on Windows 10. Short of buying ...
2
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0answers
43 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 ...
4
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2answers
254 views

Does there exist software to test the strength of a designed LEGO model?

I would like to build furniture (chair, table,...) out of LEGO blocks. For this purpose it would be good to be able to test the amount of force a certain LEGO design is able to withstand. I would like ...
0
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1answer
364 views

NXT 1.0 software issue

I am an educator with 33 Mindstorm NXT 1.0 computers. We are a Mac school and are running El Capitan (OS 10.11). Two questions... Is it possible to download the 1.0 software to our Macs? Has there ...
0
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1answer
254 views

EV3 won't run a certain loop

I'm trying to make a program where an EV3 is IR controlled but if button 9 (toggle) is pressed it goes in autonomous mode. However, my EV3 will not run a certain loop in the program. It looks like ...
5
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1answer
2k views

What is the best way to program Mindstorms EV3?

I'm just starting to use the LEGO Mindstorms EVE robot and I'm a bit hesitant which way to choose for programming: the official graphic software or any alternative (preferably the Linux based ev3dev)? ...