4
votes
1answer
345 views

Motor, receiver and battery combos

What combination of motor/Receiver/battery boxes are possible/supported? example: 2x XL motors, 1x M Motor, 1 light using 1 receiver and 1 battery box.
2
votes
0answers
235 views

Ideas for large NXT projects [closed]

I currently have 6 NXT sets. Can anyone think of some large scale projects that I could attempt using most of the NXT bricks and pieces together?
1
vote
1answer
4k views

How can I get replacement stickers for a new lego set? [duplicate]

I recently bought a Lego Fire Boat (set number 60005) but for some reason, when I opened the box and shook out the contents (as I normally do) no sticker sheet fell out. I was wondering if you could ...
5
votes
1answer
405 views

How should I connect two LEGO cylinders with pistons to measure the movement caused by sea waves?

As part of a school project I need to make a model of a snake electricity generator. I would like to build this with LEGO elements, and for that, I need to measure the movements of the cylinders ...
6
votes
1answer
593 views

NXT motors not moving?

I've been looking around the net for a solution to this problem, to no avail. After taking my NXT v1 out of storage, I tried using a motor, but it sortof just, moves back and forth once, then ...
3
votes
1answer
845 views

Which LEGO boxes are compatible?

TLG has produced a number of sets which come in reusable plastic boxes. I'm curious to know which of these are able to be easily stored together. Primarily, I'm wondering which boxes can be stacked, ...
5
votes
1answer
618 views

Is this antenna a LEGO piece?

I came across this piece while sorting: It appears to be similar to 2569, but it's clearly a different part. 2569 doesn't have the ridges and has a spherical tip rather than the cylindrical one on ...
5
votes
2answers
306 views

Technic 8071 assembly problem

I am busy attempting to assemble Technic 8071, and have encountered a problem. On page 83 of the first manual, a yellow gear (4203493) together with a grey splined rod (4211815) is added to the ...
8
votes
2answers
768 views

Which resolution is necessary to print bricks with a 3D printer?

I would like to print LEGO compatible figures. Which resolution is required for the 3D print in order to firmly fix the figures on LEGO bricks?
7
votes
2answers
300 views

Does the jumper plate have a Danish nickname?

Does the "jumper plate" (1×2 plate with centered stud) have a Danish nickname like the "Erling"? Who is the designer of this part? And does there exist a catalog of designers of specific bricks?
6
votes
2answers
822 views

How can I find the value of a LEGO set over several years?

Bricklink has this handy feature on its site which allows you to view the average selling prices of a particular set based on previous auctions. I like this feature, but unfortunately, it only ...
13
votes
3answers
1k views

Why are Lego sets put in such big boxes?

I am wondering why Lego puts sets in big packages. All bricks are put in small plastic bags and from my experience the packaging could be at least half of what it is. There is so much told these days ...
10
votes
3answers
401 views

Any reasons for the introduction of the new-style raised arch?

The new-style raised arch (to the left, 92950) got introduced in 2009, and has been gradually replacing the old-style arch (to the right, 3455) across the board. However, after four years, not only ...
4
votes
1answer
309 views

Is the Antikhythera clock design available as Open Source?

After reading and watch the video about the Antikhythera Clock, I am curious if the design reference (or better yet the instruction manual) is available as OpenSource. Why? Because it would be cool ...
7
votes
1answer
548 views

What is the true angle of a cheese slope?

What is the true angle of a cheese slope? Bricklink lists it as "Slope 30 1 x 1 x 2/3" while LDraw and Peeron list it as "Slope Brick 31 1 x 1 x 2/3". Why do these sources disagree, and what is the ...
1
vote
1answer
3k views

What are the size of Lego Technic Parts?

I'm creating a LEGO Mindstorms catalogue for a school project. I measured the LEGO parts and I made an average size. My goal is to create new parts with a Rapid prototyping machine and I wanted to ...
5
votes
5answers
1k views

Factories that could make off-patent bricks?

I'm quite interested in finding a factory that can produce a small-ish run of high-quality plastic bricks that I can use in my classes and possible to re-sell as stand-alone kits. I only need a few ...
11
votes
3answers
540 views

Why can't I reproduce this SD card box in LDD?

I've built an SD card box a few years ago. Now I am trying to reproduce it in Lego Digital Designer. However when I tried to reproduce the closed version, LDD refuses to snap it in place. In ...
4
votes
1answer
215 views

Set to run a program within another program using NXT-G

I'm using NXT-G to program my robot to do few tasks autonomously for so many possibilities. When using C programming, we can call a function from different file into the main program. So, I wonder if ...
6
votes
2answers
285 views

Old Lego movies

As I remember, it was about 1990 maybe some years earlier, there were movies, made by Lego, they were about 3 minutes long, maybe longer. It was of course not computer-generated videos but normal, ...
10
votes
4answers
791 views

Why are there “unique” characters in many sets?

When I was young, about 30 years ago, I'd had no problem to have two policemen, two yellow astronauts or knights. Then I had some lack of Lego sets and didn't know what was happening on this field. ...
8
votes
3answers
3k 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 ...
3
votes
1answer
347 views

NXT Bluetooth “Failed!” when turning on

When I attempt to turn on my bluetooth, the response on the display after about 5 seconds is "Failed!" Then I'm sent back to the main menu. I've reset the unit and updated to latest firmware (1.31) ...
8
votes
1answer
275 views

Can I take an old LEGO winch apart?

I have an old LEGO winch that looks like #73037 It has been "restrung" but it is very stiff and it looks like it has some of the old string stuck between the rotating and non-rotating parts. It ...
8
votes
2answers
736 views

Colouring bricks with the sun

This question is related to How do I change the color of a brick? and the exact opposite of How to minimise or remove sun-stains/fading from blocks? Is it feasible to artificially age bricks in ...
3
votes
1answer
160 views

Setting priorities in LEGO NXT Programmer

For a sumo bot competition I made a robot that has a perfectly functioning ultrasonic senor. However, when I made a second branch on the program for a light sensor, I calibrated the light sensor and ...
5
votes
1answer
726 views

How to make custom LEGO signs, newspapers, etc. [closed]

I have several ideas, but I am finding it hard to get started. What I am interested in is making my own decals for signs, newspapers, artwork for the walls and others. So far I haven't had any luck. ...
12
votes
3answers
592 views

What are the essential resources for learning the fundamentals of LEGO building?

After years of buying and building LEGO sets, my six-year-old son is tearing through the first level of the Master Builder Academy. He's fascinated by micro-building, and generally seems liberated ...
4
votes
1answer
2k views

How hard is it to get a job within the LEGO company, straight out of university as a graduate?

How hard is it to get a job at the LEGO company? Being fresh out of university as a graduate of mathematics, I'm specifically interested in answers on if and how LEGO hires graduates.
5
votes
1answer
619 views

Strongest gear configuration

I'm building a (what I hope to be) high-speed car using two PF-XL motors together and some gearing up. However, there's a point where I have to rotate the axle with power (that comes from the 3 speed ...
2
votes
0answers
404 views

RCX 1.0 downloaded firmware successfully with RIS 2.0 but does not run any program

I have installed correctly the RIS 2.0 in an old laptop running Windows XP and I successfully downloaded the firmware through the RIS 2.0 to the RCX 1.0, following the standard setup instructions. ...
6
votes
2answers
382 views

Ultrasonic problems with the red and blue balls?

I'm still new to NXT, I try to make the robot locate a ball using the ultrasonic sensor, while there I should be in a square area marked by white color. How can I make the robot locate the object (by ...
3
votes
3answers
231 views

Options for sorting old and new versions of colors

I'm working on sorting my LEGO collection. I'm sorting by part then color, with colors mixed when it makes sense (e.g. black is separated out, but medium blue and dark red are together). I'm trying to ...
5
votes
1answer
750 views

Best sensor for balancing inverted pendulum

I want to build a balancer for an inverted pendulum. Which of the following sensors is best suited for detecting the tilt? Accelerometer Gyroscope Angle sensor
5
votes
1answer
236 views

Why does the pin recess on the Technic turntable continue to the edge of the part?

Here's the part in question (2955): While Technic parts typically have a recess to allow the ends of pins to be flush with the surface, this part (and perhaps others) carry this recess all the way ...
10
votes
1answer
305 views

How to remove printed decoration

This is probably heresy, but how can I remove the printed decoration on a brick? I managed to buy a large number of bricks with an eye decoration cheap and found that rubbing a long time with ...
8
votes
1answer
874 views

Why was the 1x1 round brick changed?

The first 1x1 round bricks had no lip, just like most bricks: Brick, Round 1 x 1 Old - No Bottom Lip A lip was then added: Brick, Round 1 x 1 Solid Stud Why? Later, a hole was added in the ...
4
votes
1answer
562 views

Easy way to get the weight of a Bricklink order

Is there an easy way to estimate, to the nearest 100 g (or so) the weight of a shopping cart in Bricklink so that I can estimate the shipping charge (sellers may quote ranges such as "250 - 500 g: $X, ...
4
votes
1answer
236 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 ...
5
votes
1answer
613 views

Is there a place where you can buy single pieces of LEGO-compatible systems?

I've acquired a set of MegaBloks and was amazed at the slopes with studs on top. Unfortunately the set is $15 and there's only 6 pieces I need. So I wanted to ask, are there any sites like Bricklink ...
11
votes
4answers
2k views

Is it legal to sell your mocs?

First off, I assume that it's legal to sell used LEGO bricks and it's also legal to sell self-made LEGO instructions and parts-lists. As far as I know, there are people selling LEGO sets of their ...
1
vote
1answer
515 views

Does the LEGO company actively follow or copy clone bricks?

What does The LEGO group do to follow clone brands? Do they buy at least one of every set produced by The Other Guys? I'm more interested about what the LEGO company does to keep up with what ...
7
votes
3answers
7k views

Which LEGO Technic sets include instructions to add the Power Functions accessory box?

Some LEGO Technic sets apparently come with instructions to add a motor, using the pieces from the Power Function Accessory Box (set 8293). Is there a list of the sets which do contain such ...
6
votes
2answers
486 views

Can I download a programm written in C# into brick?

I use C# language and http://www.mindsqualls.net/ library. But I could not find how to download my program into brick. Actually, is it possible? Or I just have to control my nxt 2.0 robot via ...
9
votes
1answer
636 views

How to simulate Lego Mindstorms programs written in C#?

I am going to do some programming for Lego Mindstorms in C# using http://www.mindsqualls.net/ and have a question. Is there any good simulator to see result of my program without uploading the code ...
6
votes
1answer
225 views

Is there a way to change the Lego NXT sensor polling frequency?

I am using LEGO NXT 2.0 with the native NXT flowchart-style programming environment, I would love to be able to poll the sensors more frequently. (In particular, it seems that the light sensor is ...
10
votes
2answers
273 views

What element modifications are incorporated by the LEGOLAND builders?

I know they glue their sculptures together, and sometimes support them with an inner frame. Is that the limit to their element modifications, or are there more tricks to the awesome LEGOLAND builds on ...
4
votes
0answers
751 views

LEGO Digital Designer is unable to connect to the Internet [closed]

I just installed LEGO Digital Designer on my Macbook Pro running OS X (10.8.2). Every time I start up the application, it immediately displays a dialog box stating "Internet access failed" as you can ...
-1
votes
1answer
286 views

How do I get started with Mindstorms NXT 2.0? [closed]

I need help programming a NXT 2.0 Lego Mindstorms. I want to make the robot turn, stop, go back, etc. when the color sensors see certain colors. For example when the robot sees red it stops then ...
7
votes
2answers
1k views

Whatever happened to Architecture 21015 Eames House?

The set was scheduled to be released in 2012, no such luck. Any idea on why it never came out? Was looking forward to building it.

15 30 50 per page