1
vote
1answer
247 views

Dimensions for EV3pieces

I need to know the dimensions of the EV3 pieces for a school project (in mm). Does anyone know?
1
vote
1answer
501 views

Direct command lego ev3 [closed]

Is there any documentation about direct command bluetooth of EV3? Thanks, regards!
1
vote
0answers
88 views

What method do you use to figure out what set you have? [duplicate]

This question really got me thinking about this: I bought a second hand pack of pieces and it looks like it may be a specific set How do you even go about figuring that out? How would you even start? ...
1
vote
1answer
239 views

Good EV3 iBook for programming or building

I am a participant in a Lego mind storms competition soon using EV3. I would like to know if there are good, free iBooks for me to download (PDF or iBook from the apple iBook store). Preferably the ...
1
vote
0answers
68 views

What's the most effective way to clean dusty builds? [duplicate]

I have a large airplane build that I haven't touched in quite a while, and it has built up quite a large amount of dust. I've tried using a wet washcloth to wipe off the dust, but when cleaning that ...
1
vote
0answers
45 views

How is a LEGO Friends Mini-doll built? [duplicate]

Has anyone taken apart a LEGO Friends mini-doll to see how the arms and legs connect? And are the connection points compatible with any other types of brick?
1
vote
1answer
300 views

Does NXC work with EV3? [duplicate]

Is it possible to create and run NXC programs on the EV3 brick? I installed BrixcCC, created a simple Hello World NXC program and selected "Download and Run" in the Compile menu. The EV3 brick made ...
1
vote
1answer
298 views

Cell phone holder [closed]

Is there build instructions for an interesting cell phone holder that can be placed on a table? The holder needs to hold the phone upright and allow it to be charged at the same time.
1
vote
0answers
32 views

Best place/way to buy masses of bricks [duplicate]

I am always having to take apart models I made to make new ones :'( and it really is bugging me. I don't want to buy specific sets, as they cost a lot because of the work that went into designing ...
1
vote
1answer
215 views

Linear Actuator of the boom of 42006 jams

I just built a 42006 excavator, and the Linear Actuator jams such that it can't be rotated. I think that the overly sharp angle of the u-joint at the top of the boom is the reason. Is there a ...
1
vote
0answers
394 views

How do you secure a power function motor to a technic extreme cruiser? [closed]

I am trying to help my son install a power function m motor in his Technic extreme cruiser. We found a good place to put the motor and if we hold it in place it does drive the rear wheels. The ...
1
vote
0answers
76 views

What is the best way to preserve a LEGO model after it has been built? [duplicate]

Possible Duplicates: How can I store LEGO bricks as long as possible? How do you store your built models for long term display? I want to preserve my sons LEGO ships after they are built. ...
1
vote
0answers
55 views

Can you use four movement bricks on one NXT? [duplicate]

Possible Duplicate: How can I use more than three motors with one NXT brick? I want to make a tank out but it needs 4 movement bricks but I only have one NXT. Here are the parts: It can ...
1
vote
0answers
76 views

Cleaning a lot of bricks after a very long time in storage [duplicate]

Possible Duplicate: Lego cleaning techniques and tools I have a lot of bricks that have been in storage for a few years. They've been stored in a closed big box. They're now very dirty. ...
1
vote
1answer
213 views

What do factory markings on the inside of DUPLO pieces mean? [duplicate]

In addition to LEGO and DUPLO names embossed inside the pieces of early DUPLO figures, there are a variety of number formats (one to three digits, some hyphenated) and in the case of 1977, the year. ...
0
votes
1answer
150 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.
0
votes
1answer
110 views

9398 problem with the front wheels

I've just finished 9398 4x4 Crawler. The rear motor works properly, but the front motor doesn't: The wheels seem to be locked, although they spin freely when I turn them by hand. What could be the ...
0
votes
1answer
3k views

Is there an official LEGO brick color reference? [duplicate]

Possible Duplicate: How many different colours of lego brick are there? Is there a canonical reference for the different colors of LEGO bricks? Ideally this would be a color-matching ...
0
votes
1answer
805 views

LEGO Power Functions M-Motor 8883 characteristics

I have a couple questions about LEGO Power Functions M-Motor 8883 (http://shop.lego.com/en-US/LEGO-Power-Functions-M-Motor-8883): Is it synchronous or asynchronous? It is powered by AC or DC?
0
votes
1answer
124 views

Identify bulldozer truck -probably from early 90"s

Have a bulldozer looking truck with green rocket boosters on it and silver arrows, silver knives on each side of the dome like top Colours: black green, clear green dome figure has clear green ...
0
votes
1answer
758 views

Where can I buy big quantity of the same block? [duplicate]

I have a decoration project and for that I need almost 10.000 2x4 blocks (same color or not according what I would find). Do you know how/where I can buy such a quantity ? News or 2d hand... I do not ...
0
votes
2answers
46 views

If LEGO could transform the way that plastics were produced, and create living wage jobs, would they? [closed]

I have been studying the application of new recycling technologies because I am concerned with plastic pollution. I have thought of a way to apply new technology differently but the missing piece of ...
0
votes
1answer
88 views

Where can I identify this and get instructions? [closed]

My son tore open this bag and I am going crazy trying to figure it out!
0
votes
1answer
128 views

Raw RGB data to Color?

I'm trying to convert the raw RGB values from a Colour Sensor into HSL but it doesn't seem to be working: R = rgbn[INPUT_RED]; G = rgbn[INPUT_GREEN]; B = rgbn[INPUT_BLUE]; var_R = ( R/255 ); var_G = ...
0
votes
1answer
94 views

1998 World Cup limited edition soccer figure

I bought a limited edition World Cup soccer figure in Paris during the games in 1998, #3005. It does not have the shell logo on the package -but does say limited edition on the right lower corner. ...
0
votes
2answers
69 views

What kind of design is comparable to these programming concepts?

I understand this may sound like a weird question, but bear with me here, OK? I'm getting ready to teach some kids introductory computer programming. We're going to use Scratch, a drag-and-drop ...
0
votes
1answer
774 views

EV3 and HiTechnic Color Sensor Block

Can I use the Hitechnic Color Sensor with my EV3? At the HiTechnic web site I cannot find the necessary files for importing the Hitechnic Color Sensor Block into the EV3 software.
0
votes
1answer
320 views

Guide me on how to use my Mindstorm RCX kit on OS X Mavericks

Any suggestions on how I can use my old RCX set on Mavericks? I have set up Xcode command line tools, and I am getting compiler errors while trying to download nqc through Macports. Even downloading ...
0
votes
1answer
41 views

Can i change the way the ir remote works?

I bought an EV3 and the first thing that I want to do with it is control models with the remote. I finally discovered how to do this after a long search. It can control the Formula EV3 racing car ...
0
votes
1answer
71 views

Where can I get a large number of LEGO bricks cheap? [duplicate]

Yes, I see other people's amazing MOC's all the time, and think, "man, I could totally do that if I had enough bricks." The problem is, I don't really know where to look for a whole bunch of LEGO ...
0
votes
2answers
46 views

Which program do I use to program my rcx 1.0 or 1.5

I am getting an RCX and I know it is ether a 1.0 or a 1.5. Which program do I use to program my RCX?
0
votes
1answer
49 views

How can I remove fast glue (Cyanoacrylate) from LEGO bricks? [duplicate]

I recently bought some second-hand LEGO bricks. Some of these bricks have quick glue on them. How can I get rid of the glue?
0
votes
1answer
55 views

How to switch an NXT sensor port by a motor port? [duplicate]

Me and my partner are finishing up our robot for the RobotCup and we desperately need one more motor port. We will only use 3 sensor ports, so my question was if there was even the slight chance that ...
0
votes
1answer
517 views

Programming EV3 with NXC

I'm trying to run NXC programs (all run well on NXT) but when trying run it on EV3 I find an error. The download from computer to EV3, runs well but trying to run the program with RUN EV3, I have an ...
0
votes
1answer
112 views

Some LEGO elements not attaching as usual

I am building a tank made of purely normal LEGO elements, which means no gears or axles or that type of stuff. I am trying to attach a 6x6 LEGO plate onto the base for support, but it is not ...
0
votes
1answer
49 views

Not detecting motor port D

We are trying to program in LabVIEW, using all 4 motor ports. On the port selector, port D is not even showing up.
0
votes
1answer
161 views

where can I find simple Lego ideas [closed]

I have just acquired a bunch of bricks and specialized bricks. Where could I get a lot of ideas? Anything to do with a city would be good. I have already tried the LEGO club.
0
votes
1answer
251 views

Why I get this “message 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 ...
0
votes
1answer
352 views

EV3 bluetooth controller for mac

Is there a suitable EV3 controller for mac? It should be a compatible alternative from the official EV3 controller in the iOS app store or google play.
0
votes
1answer
96 views

I can’t run the NXT 1.0 program software on my Mac version 10.6

How do I fix this? I run the install program, restart my computer, go to the “Applications” folder and there is a folder named “LEGO MINDSTORMS NXT”. I open the folder and there are three “options”: a ...
0
votes
1answer
184 views

Minifigure Torso Cracks

So I recently picked up the new Star Wars AT-AP and I was quite please with what I got, but after not even a week The awesome Commander Gree Figure had a torso crack that went from the bottom of the ...
0
votes
2answers
199 views

What can I do to clean a minifigure's torso?

Well, I have the old Greneral Grievous from 2005, and it is almost 10 years old. So, by the time, it's torso became like yellow-painted. Tell me what can I do to clean it. Please?
0
votes
1answer
167 views

How do I Build a LEGO Digestive System? [closed]

Does anybody have any clue on how to build a LEGO digestive system or where to start as I think it could be a good way of helping my son with a science project? Either building plans, instructions, ...
0
votes
1answer
681 views

Do you know where I can get a Brick Vac?

I am in dire need of a Brick Vac. The 2 boys 5 and 7 are building daily, but still have plenty of strays on the floor and the end of the day. With the growing popularity of Lego City building sets, ...
0
votes
1answer
151 views

Are variables always global with NXT?

New to NXT software. What I'm trying to do is get my motor to go one of 5 distances, but I'm not sure how to choose between those actions. What I thought of was setting 5 variables to 5 sensors. The ...
0
votes
1answer
119 views

Where can I buy replacement stickers for the set 8018? [duplicate]

I need replacement stickers for set 8018. I've bought a used set and I'd like to change around the sticker position.
0
votes
0answers
19 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 ...
0
votes
0answers
24 views

LEGO Mindstorms not downloading to brick properly

When I try to download a program to my Mindstorms brick, the download immediately completes, and the program is listed on the brick menus, but it will not run the program. Also when I open the memory ...
0
votes
0answers
21 views

How do you get Loctite pro Super Glue off LEGO? [duplicate]

I built a LEGO gun and we glued the handle on since it is weak but we found out the mag couldn't fit so we need to remove the super glue
0
votes
0answers
41 views

How can I extract part id or design id from a photo?

Is there any software/site that tells me which LEGO parts exist in a photo? I would love to get a csv of parts from a photo.

15 30 50 per page