Questions tagged [software]

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

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94
votes
8answers
70k views

Do any programs exist that allow you to build your own LEGO manuals?

What I'm looking for is a program or website/webapp that allows "virtual" building of a LEGO model, step-by-step, and allows you to save these single steps to get a complete building plan in the end. ...
9
votes
1answer
246 views

Where does the EV3 software store its crash reports?

I cannot find where the crash reports generated by my EV3 software are stored. I have looked where it tells me to, but I can't find any.
10
votes
2answers
333 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 ...
4
votes
0answers
77 views

Lego Boost app won't connect. What are my options?

So far, on three devices (Amazon Fire tab, Galaxy tab S2, Galaxy Phone S9), the following when trying to connect to the move hub from the Boost app: all three permissions (Bluetooth, microphone, ...
0
votes
1answer
39 views

EV3G Where can I find the .vix file for the low-level functions? (Set integer, IO operations, start block)

They look like this: By default, when you refer to a vix file, it looks like this: <Reference Type="VILib" Name="TerminalTerminal.vix" /> But, to refer to these low-level ...
1
vote
1answer
899 views

How would one add custom made 3rd party pieces to LEGO Digital Designer?

There are a number of producers of custom LEGO compatible pieces, how would one add such a custom piece to the LDD software, or otherwise make use of them?
1
vote
1answer
745 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 ...
5
votes
1answer
256 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
votes
1answer
255 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.
7
votes
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.
5
votes
1answer
132 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 ...
5
votes
2answers
154 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 ...
7
votes
2answers
310 views

Good "freeware" mosaic creator

I need to know of a decent "freeware" program that can take an image and turn it into a full color mosaic. It also needs to have a part count/listing.
13
votes
4answers
9k views

How can I convert an image's pixels to actual LEGO colors?

The LEGO Group released a few "mosaic" sets a while back, which came with clear baseplates and a bunch of 1x1 bricks. I have been wondering recently if it is possible to use an image as a reference ...
7
votes
1answer
353 views

How can I make a mosaic from a given number of 1x1 bricks and a picture?

This question is similar to How can I convert an image's pixels to actual LEGO colors? except that I need to fit a certain number of bricks of a certain colour. For example, I have 20 white, 28 ...
4
votes
3answers
8k views

Why I get this message saying "unable to compile some documents for deployment ev3"?

I have a LEGO Mindstorms EV3 program that I was working on for a long time but recently and suddenly when I try to download the program the software displays the following message: "unable to ...
7
votes
0answers
159 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
votes
0answers
39 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.
2
votes
1answer
302 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 ...
4
votes
2answers
224 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 ...
4
votes
0answers
69 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 ...
3
votes
2answers
573 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
votes
2answers
21k views

I'm looking for a good LEGO Modeling Program

I've seen people use those programs that model out your own LEGO design so you and others can see how it would look. Can I get a list of a few? Free and safe are preferable. Thanks!
5
votes
0answers
44 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 ...
10
votes
1answer
163 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?
8
votes
3answers
212 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 ...
3
votes
1answer
336 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
votes
1answer
136 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
votes
1answer
589 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 ...
2
votes
2answers
5k views

Lego Mindstorms RCX RIS 2.0 IR tower Windows 10 64-bit driver

I found this question: Lego Mindstorms RCX RIS 2.0 IR tower Windows 7 / Windows XP driver and I wanted to ask if someone found a solution. But due to my lack of reputation I couldn't create a ...
10
votes
6answers
10k views

RCX firmware download problem

I hope someone can help me with a problem with getting an original RCX 1.0 system working with a current PC. I bought the RCX 1.0 system back in (I think) 2000 but its been in storage a long time. In ...
2
votes
1answer
269 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 ...
0
votes
1answer
442 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?
3
votes
1answer
12k 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 ...
21
votes
5answers
7k views

How can I create synthetic imagery (rendering) of LEGO models?

I'd like to know how I can create computer imagery of my own models or existing models. How can we do photographic quality or cartoon like images?
7
votes
2answers
11k 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
votes
0answers
133 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 ...
0
votes
1answer
1k 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 ...
0
votes
0answers
169 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
votes
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 ...
2
votes
0answers
1k 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 ...
2
votes
3answers
2k views

Mindstorms crashes when connecting to EV3 with Bluetooth

I am using OS X 10.10 (Yosemite) on a 2011 MacBook Air, LEGO Mindstorms EV3 Home Edition v1.0 and the latest firmware on the EV3 (v1.06H) When I attempt to pair the EV3 with my Mac over Bluetooth, ...
5
votes
0answers
63 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 ...
7
votes
4answers
3k 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 ...
6
votes
4answers
25k views

Where can I download the software for old RCX-era Mindstorms sets?

These days I've been coming across a lot of people who've purchased used MINDSTORMS sets from the RCX era, only to find they didn't come with a CD. And in order to use the set, assuming that using an ...
1
vote
0answers
461 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
votes
1answer
5k 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 ...
1
vote
1answer
637 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 ...
2
votes
1answer
604 views

EV3 IDE flickering

I'm using the Mindstorms IDE for EV3 on OSX. Everytime I'm moving the cursor the screen starts to flicker. See https://www.youtube.com/watch?v=q3JkonowmD0&feature=youtu.be . Any ideas what's ...
0
votes
1answer
275 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 ...