4
votes
3answers
296 views

Strongest LEGO structuce - (1) Pillars

What is the strongest LEGO structure? I am going to build a LEGO computer case. Different from Mike Schropp and greenyouse, I am planing to build an upright case. (This is a general "strongest LEGO ...
5
votes
1answer
745 views

How to build a limited slip differential?

Lego provides a couple of ways for building a differential, such as this: and also provides a limited-slip gear like this: ...
5
votes
3answers
180 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 ...
3
votes
2answers
238 views

What is this minifig?

Saw this on Facebook, what is this minifig? Some people say it is from Atlantis but I'm not so sure.
5
votes
3answers
202 views

How do I move assembled LEGO sets?

How do I move large sets put together? We do not have the instructions or original box. We are moving from one home to another.
6
votes
1answer
219 views

Is there a modern equivalent for windscreen piece 6152?

For a creation I'm building, I am using a white windscreen piece (part ID 6152). Looks like this piece was last produced in the late 1990's. Is there a modern equivalent that preserves this general ...
0
votes
0answers
217 views

Error “unable to open port” in LeJOS EV3 behavior programming

I'm writing a behavior based LeJOS EV3 program. I'm using two sensors: touch and ultrasonic. I'm using two large motors and one medium motor. I'm using a sample provider for the touch screen but not ...
1
vote
0answers
56 views

Creating electronic product which is compatible with Lego brick [closed]

Currently, my company has an idea to create the product to integrate with your Lego brick. So far, we found that there is a product at kickstarter, mcookie (Link: ...
2
votes
1answer
307 views

usage of ev3 ultrasonic sensor in lejos behavior based programming

I'm using ev3 ultrasonic sensor. And I'm writing a behavior based lejos code. I want to do some tasks when the ultrasonic sensor detects an object which is not further than 30 cm's. And this is my ...
3
votes
2answers
252 views

How to run two LEGO electric trains at the same time?

I have a LEGO city built with a train encircling it. The track is the classic style with metal railings running through it. I have a switch track as well that is connected to an NXT robot to switch ...
4
votes
1answer
158 views

Can anyone help id this partial build/set?

I found this partial set bagged at Savers, looked interesting. But searching thru peeron, I cannot figure out what set this might belong to. Is anybody familiar with what set this might be associated ...
3
votes
1answer
103 views

Is there a site where I can put in a set of individual lego bricks (by part ID) and get an optimized list of stores to buy (to minimize shipping)

I'm new to this site, so please forgive me if this is a duplicate. Background story I got my 6 years old the Lego City Arctic largest set, and then realized he had previously had 2 other arctic ...
1
vote
1answer
222 views

Are 10682 “Creative Suitcase” and 10695 “Creative Building Box” compatible?

I just wanted to be sure if these two sets 10682 and 10695 are compatible.
-4
votes
1answer
98 views

How many, and what the names are of all the countries that buy, sell, make, and assemble LEGO? [duplicate]

I'm doing a world geography project over the globalization of LEGO. Eventually I will put everything on a poster. I already know that Billund in Denmark is where they were first made, also Hungary, ...
6
votes
1answer
193 views

How did the LEGO 7862 Remote Controlled Decoupling and Signal work?

I've never seen this set in person, although it appears occasionally in 12V Lego train system images. I've never seen it used, or described. How did the LEGO 7862 Remote Controlled Decoupling and ...
3
votes
1answer
105 views

Will playing with a 12V train motor by hand damage it?

This question is similar to one for PF motors. The 12V motor bogie has considerably more resistance than does the newer PF bogie motor, which may be moved very easily when not operating. So, if one ...
4
votes
1answer
288 views

Slow down the mindstorms EV3 motor so target position is not overshot

I have Debian jesse installed on a mindstorms EV3 and I'm using the ev3.lego library: https://github.com/topikachu/python-ev3 I want to be able to slow down the motor as it reaches its target ...
2
votes
1answer
123 views

Using the NBR 1036 Barometer with the EV3

I just purchased the HiTechnic Barometer from LEGO, thinking the Block was available for the EV3. Theory says that I can use NXT Block in the EV3. Can anyone point me in the right direction?
2
votes
1answer
197 views

Where did these small tan bricks come from?

I was going through an old box of LEGO bricks from the 70's and 80's and I found a number of small bricks that appear to be about 2/3 size. They have the LEGO logo, and appear to be the official tan ...
2
votes
1answer
82 views

Control two Lego NXTs with an Arduino

I'm new here and also very noob with the Arduino. I have a basic knowledge in Java and some more in C# so code isn't a problem. I can learn it easily. I have a project assigned. I would like to know ...
2
votes
1answer
104 views

Mindstorms Vision Command - what shall I do with it?

I have a Vision Command camera, bricks and book, still boxed with instructions and a W98 coaster, er I mean CD, and was about to donate it to a charity shop but it seems there's no 64 bit driver for ...
2
votes
3answers
986 views

The Mindstorms EV3 Software crashes on OS X Yosemite 10.10.3. What do I do?

It's crashing on startup which is really irritating. When debugged with terminal it says this: Unhandled Exception: System.UnauthorizedAccessException: Access to the path is denied. [ERROR] FATAL ...
7
votes
3answers
1k views

How many flexible tracks does it take to make a complete oval?

I have couple of straight tracks, no curved tracks, so the only option now from me is to buy the new 7499 straight + flexible tracks. Therefore: How many boxes of 7499 tracks do I need to make a ...
2
votes
2answers
143 views

Inverting motor's rotation

I've designed a robot with two motors. It works as follows: The first motor is attached to the the person's arm, the second motor receives the calculated movement and moves accordingly. When the ...
5
votes
1answer
201 views

Where does this green plane fuselage piece come from?

It has the year 2005 on it and the number 22988 I think. Anyone know what it is?
7
votes
3answers
419 views

What is the purpose of this plate with door rail?

I'm looking at the this piece: Is this piece some kind of a track on which you can build stuff that slides? I see it in sets as a decorative piece from time to time. What does "door rail" even ...
1
vote
0answers
52 views

LEGO Brick Color Palette [duplicate]

Have any new brick colors come out recently? I haven't seen many diverse colors and was wondering if there is still an expanding palette for the bricks being produced.
5
votes
2answers
144 views

Mindstorms Software Versions

Here is what I have: Site licences for Mindstorms Software 1.0 (NXT) and EV3. An upgrade to Version 2.0 for the NXT 9 NXT kits 4 EV3 kits 2 Renewable Energy Kits and Temperature sensors My ...
6
votes
1answer
138 views

What brick is this? 1x2 with holes in the short sides

This is my first time doing something like this, so here goes. this is a 1x2 blue brick, worn from being in my bins with holes on each end: Through a hole, you get this view of what you see in ...
3
votes
1answer
95 views

Official Lego charity programs

Many consumer-oriented corporations have official charity programs where products or money are donated to deserving causes. I was wondering if The Lego Group has any such programs --- and if so, where ...
2
votes
1answer
103 views

How do I make use of the full SD-card after installing ev3dev

After writing the image to the 8G microSD-card, initial setup of network and installation of git (with apt-get) I could not install anything else since I was out of diskspace. This confused me. But df ...
3
votes
2answers
160 views

I just purchased a used LEGO Studios set and had some extra pieces that don't belong

Can anyone tell me what set they might be from? backside:
1
vote
1answer
116 views

How to enter wifi-password on ev3dev?

After successfully installing ev3dev and getting the USB connection working I now want to get my wifi-dongle working (or rather connecting). The dongle is successfully found and my LAN is displayed. ...
4
votes
0answers
58 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.
1
vote
1answer
71 views

Chima Speedorz game — how to play?

Lego Chima Speedorz sets include cryptic instructions on how to play the game, but I'm unable to fully understand them. I'm looking for a comprehensive answer or guide that details the game rules.
2
votes
1answer
140 views

Identify brick with internal battery, light and sound

I just bought a bulk lot of second-hand bricks and found this odd one inside. It has a black panel on one side and when pressed it plays a screeching sound. Through the transparent purple top I can ...
2
votes
0answers
128 views

LEGO Technic Interface A

A few days ago, a friend offered me one set 9750 LEGO Technic Interface A with the Interface Card and Cable (IBM compatible) but without software. Can someone share the installation software (LEGO ...
2
votes
1answer
187 views

Where is this turban headpiece from?

Where is this turban headpiece from?
2
votes
2answers
155 views

What is the best way to create an authentic weatherboard wall?

I am working on a house where I want to create a weatherboard look for the outside walls. I'm not certain the best way to go about this. Currently I'm using the horizontal side of a 1x2 profile ...
4
votes
2answers
719 views

Brick labels to be printed

I am new to the LEGO "business". But I am building up my inventory, getting close to 100.000 pieces now, and before shooting off, I want to have my "system" organized. That also includes print off ...
2
votes
1answer
90 views

How to Download my orders from Bricklink

I know you can log in to Bricklink and download my orders as Excel or many other formats, but I am trying to do it programmatically. Does any one know how to do this though Powershell perhaps?
3
votes
1answer
187 views

What RGB-values do I get from the colorsensor

I have the extra colorsensorblock used by mindcuber - ColorSensorRGB - installed. Now I'm trying to use it in my own projct. But what values does it produce? It seems like it has a min-value of 0 (as ...
2
votes
1answer
76 views

Absolute Turning Motor in NXC

How can I turn my motor to 123 degrees, not for 123 degrees? I tried the PosRegSetAngle("output", "angle") command and didn't work. Documentation for PosRegSetAngle
8
votes
1answer
283 views

Is my Lego Star Wars “Jabba's Sail Barge” set a one of a kind?

Back in 2006 or 2007 I bought a Lego Star Wars "Jabba's Sail Barge" set. When I opened it and took out the instructions, it had an additional piece of paper. It showed that the piece 4299023 had been ...
4
votes
1answer
165 views

How do you eliminate the gap between castle doors?

I'm building a MOC castle and want to use a pair of 1x5x7 and 1/2 stockade doors. My problem: I can't get the doors to fit flush. Either there's a 1/8 to 1/4 inch gap between them, or they overlap. ...
4
votes
1answer
172 views

Software to help inventory set

Are there any software applications to help check the inventory of a lego set? Currently I load the set-up as a bricklink wanted list and then delete each part one by one until I have only the ...
2
votes
2answers
132 views

Access WeDo on OS X from a real programming language

I'm trying to talk to the WeDo USB interface from Python or really any real programming language. I tried the clever WeDoMore library, but can't get it to bind the WeDo. I think this is because the ...
2
votes
2answers
79 views

Which wheels are suitable for Power Functions M-Motor

I'm attempting to build a small self-propelled LEGO robot. Initially I was attempting to use some cheap DC hobby motors but I spent a lot of time trying to attach LEGO wheels to the motor's 3mm ...
6
votes
3answers
2k views

How much does an average LEGO brick cost to produce?

I know that LEGO bricks approximately sell for 10 cents per piece but what does it cost to make an average brick?
4
votes
3answers
389 views

Does knolling help or is it just part of the fun?

When building a new set, many people knoll their LEGO bricks before beginning the assembly. My question is: Is there a actual advantage to knolling all the pieces or is it only a way to stretch the ...

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