10
votes
5answers
68 views

Best way to manage Lego blocks

Maybe my question is not suitable for this forum, but I figure this is the place where people have the most experience, so, here goes. My 4 year old son loves to play with Lego and we encourage him. ...
3
votes
2answers
99 views

Is there a web resource available to browse LEGO Minifig head designs?

I am curious if there is a minifig browser or gallery that allows you to view and identify LEGO heads created over time? Ideally, this resource would also list the date the minifig head was first ...
0
votes
0answers
9 views

How to determine orientation of a EV3 gripper?

I have built the EV3 Gripper using the manual. I am programming an ev3 brick using ev3dev. I need to determine the angle/direction/orientation of the robot programmatically, before I can issue a ...
5
votes
1answer
122 views

BAFTA Bob the builder set value?

I have a boxed sealed LEGO set from 2002. I attended the Children's BAFTA dinner, with several celebrities. Each had an exclusive Bob the Builder set as a gift under their seat, which included a LEGO ...
1
vote
2answers
44 views

Made a big program in EV3's programming software for AI creation and it went from slow to not loading

Made a big program in EV3's programming software for AI creation and it went from slow to not loading. It just displays the loading bar in the middle of the page. Even my lenovo windows 10 8GB RAM ...
4
votes
3answers
2k views

EV3 Brick Error Symbols?

I am currently developing an EV3 robot that sorts colored technic beams. However, the brick will only run part of the program and then generate a strange error code on the brick's screen. The error ...
2
votes
0answers
82 views

Please help me identify these Lego and Bionicle sets numbers

Lost many of the lego parts in a flood. I've put parts together using best guess so some pictures may represent more than one. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. ...
10
votes
3answers
4k views

How to make a conveyor belt with LEGO parts?

I am making a small robot with an Arduino and Technic LEGO powered by stepper motors. I am planning on moving small rocks throughout my machine. Does anyone have an idea of what kind of Technic LEGO ...
1
vote
1answer
37 views

Where to get additional part library graphics for BlueBrick layout designer

I love BlueBrick, the track and layout designer from developer Alban Nanty. I have been using it for years and it is the best tool I have found for designing a full layout including train tracks. ...
2
votes
1answer
116 views

Are Bandai “Figmes” compatible with LEGO?

According to gizmodo Bandai is releasing a new line of "Figmes" that look astounding similar to our beloved minifigs. Here is the set: And here is one close up: Close up the hands look even ...
5
votes
3answers
179 views

Advanced set for 5.5 years old

My son had great success building a lot of Lego models, including complex sets, such as the Family house set. And I want to meet him with an advanced model, that includes some gears and more ...
5
votes
1answer
111 views

Where are these minifigures from?

In this image there are two army guys guarding: But where were they bought? I'm curious to know where to get them myself. Reply to Zhaph's Answer: (I don't have enough reputation.) I'm well aware ...
2
votes
1answer
374 views

Lego Mindstorms EV3 crashes on OS X El Capitan

I get the following problem details, can anyone help me? Process: MindstormsEV3 [595] Path: /Applications/LEGO MINDSTORMS EV3 Home ...
5
votes
1answer
70 views

Help identify large white wheels

Have lots of mixed pieces that we bought second hand. We have come across very large white plastic solid wheels, resembles sand buggy wheels, but think they must be space related as they are white. ...
2
votes
3answers
435 views

El Capitan OS X and Nxt v2

I am running El Capitan OS x, and I have a nxt v2 brick. Is there anyway I use them together? The nxt installer crashes and the ev3 software will not update the firmware on the brick. Do I have any ...
1
vote
1answer
36 views

Help with this .nxc Tripod program

I am getting a file error when I try to run this on my NXT 2.0. It's my first time using NXC and the program compiles and transfers fine... I tried replacing the batteries, the only other thing is ...
4
votes
1answer
71 views

What is the set number for these Star Wars parts?

We lost the majority of my sons lego collections in a flood. The attached pictures are all we have and need them identified for insurance. Would appreciate your help identifying the set number.
1
vote
1answer
136 views

Clicking Brick Syndrome after using Raspberry Pi

I have a Mindstorms NXT brick, and when switching it on recently, it just started clicking. I have tried many different ways to fix it, but nothing has worked. I've done a soft reset, hard reset ...
2
votes
1answer
142 views

Tufts MAZE LabView Program Will Not Run on EV3

Through the 2012 LabVIEW for LEGO software package, I found an example of a maze from Tufts. I cannot get it to run on an EV3. It appears to just constantly execute the initialization. How can I ...
1
vote
1answer
69 views

How to fix the Gyro

Currently the gyro sensor connected to the EV3 brick doesn't really work. whenever the gyro is attempted to be used the robot will just sit and spin once it gets to where it needs to use the gyro. Any ...
3
votes
2answers
44 views

Motorizing Hobby Train 10183

What are the PF motors available that will power the Hobby Train 10183? Moving out from 9v tracks, will the existing 10183 wheels fit any other tracks? Also, is there a difference between the PF ...
3
votes
2answers
2k views

Mindstorms EV3 PC application won't load

Installed Mindstorms EV3 application on MS Windows 7 Home Premium v6.1 (Build 7601: Service Pack 1) and I keep getting the same error message when launching. A white window pops up with the ...
0
votes
0answers
43 views

Will a series like the unreleased “Europa” theme ever be reconsidered? [closed]

The 18th century is one of my favorite time periods and Europa is almost exactly what I would call my "dream Lego." Will this theme ever be reconsidered and hopefully and put into production?
4
votes
1answer
68 views

Please help identify Star Wars set - I have some very specific wings

Please see attached pic, I reckon these are part of a Star Wars ship. Can anyone help me identify the set? Many thanks in advance, Michael.
3
votes
1answer
56 views

Is there a changelog for any firmware updates on an EV3 brick?

When a firmware update is released for the Mindstorms EV3 brick, are there usually any changelogs for them explaining what's been added or changed? If so, where can they be found?
3
votes
2answers
108 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 ...
8
votes
1answer
176 views

Can I safely dissassemble a 74569 motor (the old, fast 9v one)

I have an ancient 74569 motor: Unfortunately, it's broken: The shaft spins freely by hand, but when I connect power to it, it doesn't spin at all. I would like to see if I can just open it and ...
1
vote
1answer
120 views

EV3 brick freeze during run big program

EV3 brick sometimes freezes while executing huge programs and do not react on buttons and bluetooth (connect, start/stop program). Only way to continue work is hard reset. We discovered that freeze ...
-1
votes
0answers
39 views

How many miles per hour is one notch on the IR speed remote with battery box from set 8293?

For a science fair project, we need to know how many miles per hour equals a notch on the IR speed remote. We really need your help with this. Can you answer this question, please? Thank you.
3
votes
1answer
219 views
6
votes
1answer
146 views

How can I stop the LEGO Cargo train 60052 wheels from skidding on track?

I have the Cargo train 60052, it's only around a year old and lately I've found on starting it (on both straight and curved track pieces) it isn't moving, the wheels seem to skid on the tracks and I ...
10
votes
2answers
6k views

Is there a way to convert a 3D model into a lego sculpture?

After researching this question for a few days, I want to post it here so I can share what I learned in an answer, and hopefully learn some new techniques too. If anyone has found another way to do ...
1
vote
2answers
117 views

What is the name/number of this brick

I was wondering what this piece are? (the two gray tile like bricks)and what are their names since I want to order some online.
1
vote
1answer
62 views

Loop not work, always enter in the same condition

I have a loop but always enter in the same condition, please see the picture.
0
votes
0answers
37 views

lego cleaning dust? [duplicate]

I'm a LEGO seller and buy around 20-50kg of LEGO bricks a week. I need to clean these items before I sell them. Currently I'm using the standard method using a bucket and soapy water. Although this ...
1
vote
1answer
63 views

Sticker Identification

Does Anybody Know Where This Sticker Is Used Or The Number Of The Piece, I Don't Know The Number.
2
votes
1answer
153 views

Does anybody know what this cross-shaped Lego piece is?

I have had this for I while and was wondering what it is.
1
vote
1answer
62 views

How to build ar Z6 (TR-8R) riot control baton for 75114 (First Order Stormtrooper)?

Set 75114 has two guns but I would like my stormtrooper to have the iconic melee weapon. How can I build one?
-2
votes
1answer
68 views
2
votes
1answer
92 views
4
votes
5answers
2k views

Will the Mindstorms EV3 software run on OS X El Capitan?

El Capitan was released a few days ago, and I want to upgrade. Will there be issues with the software, or will it run nicely on El Capitan? My Mac: Retina MacBook Pro 13", Early 2015
0
votes
1answer
35 views

EV3 software crashes on Windows 8 laptop

My cousin has Windows 8 x64 netbook laptop. When he tries to start the application he gets .NET framework error and I can see following text in the log file: +000,016 >> MINDSTORMS EV3 launched ...
2
votes
1answer
93 views

Instructions for LEGO bag dated 2007 bought at a Thrift store

I need the instructions for a LEGO parts bag I purchased at a Thrift store
3
votes
1answer
81 views

How do I diagnose a problem with electronic bricks and motors?

My children and I recently assembled the 42030 RC VOLVO L350F Wheel Loader (aside: with the 1,600 pieces and time investment, this set will likely survive to the heat death of the universe intact ...
25
votes
6answers
4k views

Does the LEGO Group condone war toys?

What is the LEGO Group's position on war toys? Other brands make tanks and army stuff. I noticed LEGO sets include more realistic guns in the Star Wars range than they used to. What's up with that?
3
votes
1answer
76 views

Lego G-Scale train?

I have a 45mm gauge LGB-based G-scale garden railway and want my grandson to have a push-along loco and some rolling stock for it. Can we make this with Lego? The wheels need to be non-metal and have ...
1
vote
0answers
26 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?
1
vote
0answers
37 views

Infrared sensor behavior

I'm developing a small program with the LEGO's Ev3 development tool. I'm trying to make the robot rotate, 30° at time, and check if the infrared sensor detect something than make something and stop. ...
12
votes
3answers
4k views

What's the best way to link two (or more) LEGO Power Functions (PF) train motors together?

Last Christmas I built an extended Emerald Night train to run around the tree. To get it to work I had to add a second Power Functions motor. I tuned both IR receivers to the same frequency and slowly ...
1
vote
0answers
39 views

Is there an alternative replacement motor piece for 4.5 V Trains?

Is it possible to find on a market a simple 4.5V electric motor, that can be installed into LEGO Part 564c01? The service pack No. 5000 is more and more difficult to find.

15 30 50 per page