Questions tagged [software]

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

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72 views

I want to create my own lego city superpack from 2008 era. How do I design it? [closed]

Looking at some LEGO City combo sets from 2007-2009. I now want to create my own custom box for it, but don't know how to. Here is an example of one superpack set from 2008: I hope that someone will ...
5
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1answer
166 views

What version of Lego Digital Designer has all the parts that LEGO ever added?

I would like to know what version of Lego Digital Designer has all the parts that the Lego company has ever added to the program, before the program was discontinued. I was able to find more parts ...
5
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1answer
149 views

Control Lego Technic Control+ Hub via Python

Is it possible to control the Lego Technic Control+ Hub with Python? I have tried using Pybricks but that didn't work well for me.
5
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1answer
94 views

What are the differences between Studio 2 and LDcad when working with Technic and EV3?

Information regarding different software has come up over the years, but I am looking for something current. My goal is to create instruction books for some of my designs. Previously I used LDD, which ...
4
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0answers
38 views

How do I sync audio and movement on my NXT 2.0?

How do I sync audio and movement with my NXT 2.0? I'm building an animatronic head and I can't find a good way to sync it with external audio because the internal speaker is too quiet.
5
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2answers
138 views

Export an object from Blender to LDraw

I have modeled a custom part in Blender and I would like to get it into LDraw format for use in LDCad and LPub3D. I don't know much about 3D formats, but Blender can export collada, alembic, fbx, gltf ...
2
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1answer
79 views

Am I able to use the Chrome version of the Mindstorm software on a Windows/Mac laptop?

We currently teach Lego robots as part of our Technology curriculum, but we are 1-to-1 in a BYOD environment. So we have all different types of devices the students use including Chromebooks, Windows ...
7
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147 views

Digital tool for roller coaster physics

I'm currently working on a roller coaster MOC with a looping. I started physically building the MOC but quickly recognised that it is quite a mess to build something, tear it down rebuild it, etc. ...
4
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59 views

Migrate Lego Boost Android app data to another device

I have a Lego Boost Android application installed on device #1 and the app is logged into my LEGO cloud account (the same used for Lego Life etc. too) and is fully synced with cloud. On this device I ...
4
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2answers
202 views

What 3D modelling services could I use to create custom LEGO pieces?

I want to create some custom LEGO Technic pieces, but I can't seem to find any software that is good at making it. I have tried using Blender, but it is hard to create holes. Do you have any ...
3
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2answers
444 views

Where do I find the program to go with the LEGO 51515?

I got a LEGO Mindstorms 51515, and I have finished building my 1st robot, and now would like to program it. However, I cannot find any companion program to use. Where can I install the companion ...
5
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0answers
43 views

RCX 2.0 usb ir tower. Easiest path to start [duplicate]

I picked up a working set recently and I would like to know the easiest path to get going. I have several old and new PCs and win 98, xp, 7 (32bit) and 10 available. The kit has no CD. I have LabView ...
3
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1answer
322 views

Why isn't the Sad Clown's torso in Stud.io?

I was working on designing a clown minifig and I found the 973pb1398c01 Torso 3 Black Pom Poms Pattern / White Arms / Black Hands that seemed perfect for it, but it turns out that it isn't in Stud.io. ...
5
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1answer
126 views

LEGO Dacta Intelligent House

I obtained an LEGO Dacta 9707 Intelligent House set plus the Interface B: By searching on BrickLink for the set, I found out that there was an Activity Pack for use with Control Lab software. If ...
7
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1answer
379 views

How do I erase all old programs using the new scratch type Education software?

I have 24 Lego Mindstorms EV3 bricks that have old programs and the bricks are named. I want to erase them so they can be used for new students. In the older Mindstorms software I would just reinstall ...
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1answer
332 views

LDD Update Date? [duplicate]

I was wondering the other day - When was LDD last updated and when, if ever, are they (TLG) planning to do another piece update?
10
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1answer
150 views

Do I really need to sign into Stud.io?

I recently installed Stud.io 2.0 on my MacBook. Is it absolutely necessary to sign in, or is that just so that you can save to the cloud and build with friends?
1
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1answer
510 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 ...
4
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0answers
61 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
970 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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160 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
130 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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402 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
4k 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
569 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
156 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
140 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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1answer
299 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
113 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
2k 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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0answers
76 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 ...
7
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3answers
3k 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
69 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
506 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 ...
6
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2answers
10k 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 ...
3
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1answer
11k 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
1k 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 ...
4
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1answer
125 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
3k 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
71 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
454 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 ...
2
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1answer
253 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
266 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?
1
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1answer
363 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
votes
1answer
141 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
599 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
229 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
135 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'...
5
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1answer
390 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
416 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, ...