2
votes
1answer
817 views

EV3 Error and VM Program Instruction Break

I'm making a program which is very complex and large but it does not contain any Arrays in it. Weird thing is, last night it worked fine but today when I downloaded the exactly same thing into the EV3 ...
1
vote
2answers
49 views

EV3 - At what time DIRECT_REPLY is sent by brick?

For example: I've sent DIRECT_COMMAND_REPLY to rotate the motor for 720 deg. When EV3 brick should send reply: before motor finished rotation (right after my command was received) or after motor ...
7
votes
5answers
12k views

How to use Power Functions with Mindstorms EV3?

Having learned that Mindstorms EV3 doesn't work directly with Power Functions, Q: Can you use Power Functions motors with the EV3 programmable brick? A: No, the connector does not match. I ...
4
votes
1answer
278 views

Is there a step-by-step guide to extracting a parts list from LDD to bricklink?

I'd like to build a model I have in LDD, but i don't know how to get my parts list (I exported BOM) into bricklink. I know there is rebrickable, but I don't see an option to import either .lxf or ....
3
votes
1answer
99 views

Identification for Hinge-like Piece

I'm trying to follow building instructions on Brickshelf, but I'm having some trouble finding the piece on the right in this photo: . Anyone know what it is?
4
votes
1answer
391 views

Is this piece some kind of rare/modified 200?

I have this piece which vaguely resembles 200, Technic Rack Winder Axle (Rebricked) but one end is different. It is 5 studs long, axle is 1 stud long, the gear lies between 3rd and 4th stud and the ...
10
votes
2answers
2k views

Emmet's couch model in official sets different than the movie?

Lego's official building instructions for The Sea Cow set include building instructions for building Emmet's couch from The Lego Movie. Are there differences between this model and the one actually ...
13
votes
1answer
1k views

How many copies of each set is produced?

Is there any way to find out how many copies of a set were produced? I would like to know how rare some of my older sets actually are.
1
vote
1answer
132 views

I have a series 14 Sasquatch (Square Foot) missing facial paint, is it normal?

Hi I have the camera holding Sasquatch but he does not have the black eyebrows and muzzle. The eyes and teeth are there but the rest is just brown.
3
votes
1answer
52 views

NXT2 motors limitation?

We are extending famous Dave Parker's nxtprograms.com 2 Touch Remote I have added 2 extra "threads" - one to control 3rd motor (which is a frontal "claw") and another one to use 4th touch sensor to ...
11
votes
3answers
5k views

How can I build a LEGO marble pump?

All right, here's a tough one for ya'll. How can I built a marble pump out of LEGO bricks? What would the mechanism which pushes the marbles up need to look like? Here's an example in this video: ...
5
votes
3answers
206 views

What are the differences between the two available pizza elements?

In the "Buy pieces" section of the Lego website, I looked up the pizza element. It turns out there are actually two of them! Element 6102555 costs $0.41/piece and 81867 costs $0.37/piece, but they ...
1
vote
2answers
55 views

Can I find parts list for single fire truck in a fire station set?

I'm trying to find the partlist for the biggest firetruck in the 7208 Fire Station. Is there a page that contains lists for each car in a set?
0
votes
1answer
92 views

Can Lego Duplo and Lego Junior sets compatible? Can the pieces be mixed together from the different sets? [duplicate]

Are Lego Duplo and Lego Junior sets compatible? Can the pieces be mixed together from the different sets and all be played with together?
2
votes
1answer
122 views

How can I connect CCBS parts to plain LEGO system?

Can anyone explain how the front shoulder was built in this MOC? Are there bricks that allow easy connections between CCBS and plain System?
1
vote
1answer
55 views

8034 softwer RIS 2.0 - how to work it under ubuntu 14.04?

can I get to work RCX2.0 softwer RIS2.0 under ubuntu 14.04? I've installed it under wine, but the graphics of my notebook was to high for it, and the next phase of installation - the looking for the ...
5
votes
4answers
273 views

How to help a yellowed brick with a sticker?

My parents recently finally decided they can return me my childhood toys with 1990s Technic sets including the 8880 Super Car. All other sets were in boxes, but this one spent the last 15+ years ...
0
votes
2answers
49 views

LDD not rendering

I've dug out the LDD application I found on an older hard drive. It seems however, that it has problems rendering the bricks and models: I am running LDD 4.3.8 on Windows7 Ultimate (64Bit) with ...
2
votes
1answer
236 views

Where does these knock-off LEGO's come from?

These are some of the non-LEGO pieces I had in my LEGO collection when I was a child, and I was told they were old LEGOs, but any site on the history of LEGO completely fail to show anything like this,...
0
votes
1answer
59 views

How many parts were in Advent calendars of yore?

Is there any convenient way to find out how many pieces were in previous years' Advent calendars? I looked through a dozen calendars on bricklink and most of them do not include the part count in the ...
1
vote
1answer
112 views

Sizesorting machine

I am quite new to LEGO Mindstorms, and can't seem to wrap my head around this one. I am making a size sorting machine, sorting brick sizes depending on the time they take to pass the lightsensor. So ...
0
votes
2answers
174 views
0
votes
2answers
133 views

I can't figure out which lego model these doors came from

I've been searching for 5 days, but I can't figure out or find this type of door. I am sure it's from year 2000 upwards because I bought this from a mother whose child is all grown up, thank you for ...
0
votes
1answer
81 views

Rat Rod Semi Set

I'm looking for a set that I saw at a Walmart in Washington. Unfortunately, I was going to buy it as a Christmas gift for my husband but he was with me so I didn't buy it right then. We came back home,...
1
vote
1answer
38 views

Cannot add instruction tiles to EV3 brick program.

I was using the EV3 brick program software included in the ev3 Brick and I can no longer add instructions. I think I've reached the max length. Is there a way around this? Can I run a second program ...
1
vote
0answers
106 views

How does the LEGO Group transport its products? Can LEGO bricks be recycled? [closed]

1. Hello, I am doing research on LEGO for a school project. I want to know where are the LEGO factories? How do the LEGO products get from factories to the stores around the world? What shipping ...
0
votes
4answers
190 views

Every time Robot is launched (without changing the code) it is not following the exact path

I'm working on FLL mission and every time our team launches the robot (without changing the program, and we are making sure that it is starting from same location every time) it is not following the ...
26
votes
6answers
11k views

What are the best options for building a LEGO RC car?

I would like to build a remote controlled car. And if someone already has a good solution for that I would be glad to try it. It's been a while since I had the time and material to build some LEGO ...
1
vote
1answer
108 views

`Middle Size Lego Bricks [duplicate]

`Can you settle an argument? I can only find 2 sizes of bricks, Duplo and Classic. My friend swears there is a middle size of Bricks. Help us settle this or we may come to blows.
0
votes
1answer
176 views

Lego Custom One Piece

Does anyone know where I can find custom Lego figures or MOCs of the One Piece Manga/Anime, preferably made using authentic Lego elements?
0
votes
0answers
104 views

Lego EV3 running LEJOS with RESTful services

Am running LEJOS OS on my EV3 and trying to add REST APIs so that it can connect to a web application on cloud/containers. The main goal is that, Java web application( REST Client) should send ...
21
votes
8answers
16k views

Is it safe to wash LEGO pieces in the dishwasher?

I've heard from a lot of people that LEGO can be washed in the dishwasher, but I'm concerned about warping, losing stickers, wearing off of painted pieces, etc. Is it safe to actually wash them in the ...
5
votes
3answers
847 views

Is there a microphone that works with Mindstorms EV3?

I'm planning to program my EV3 robot to do voice chat over VOIP using ev3dev and a Debian program. Is this possible? Are there microphones known to work with EV3, and has anyone had experience using ...
9
votes
1answer
687 views

Connecting to NXT Brick via Processing over Bluetooth

I am attempting to control my NXT model via the Processing programming language rather than the provided language based on LabView. When I can establish a connection over Bluetooth, this works rather ...
1
vote
1answer
425 views

Dimensions for EV3pieces

I need to know the dimensions of the EV3 pieces for a school project (in mm). Does anyone know?
7
votes
6answers
2k views

Set missing all the Minifigures and a few other parts

When I got the Quinjet set, I dug through every bag but the manufacturers forgot a few pieces and my set didn't have any minifigures. How can I get the missing minifigures and the parts I'm missing?
6
votes
1answer
306 views

How do I know if this wooden LEGO duck is real?

I bought this wooden duck and I am wondering if this is a real LEGO item.
8
votes
8answers
1k views

What will happen if I submerge LEGO in water?

I'm thinking of using real water in my LEGO City and putting the Atlantis and deep sea exploration sets at the bottom of the tub of water, but I don't know what will happen to LEGO when put in water. ...
2
votes
2answers
2k views

EV3 parallel MyBlocks, but only one working

TL;DR = Is there any obvious reason why a MyBlock, added twice in parallel to a program, will only run one of them? In my EV3-G program, I have a MyBlock which uses the Proximity Heading to control ...
2
votes
1answer
146 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?
1
vote
1answer
614 views

Batman Arkham Knight Batmobile Instructions

Where can I find a set of instructions for the Lego Batman Arkham Knight Batmobile?
5
votes
2answers
483 views

What is the best way to rebuild Lego sets?

My six year old son loves to build with LEGO bricks and has quite a few LEGO sets. Over time they have been disassembled, so we decided to try to rebuild some of them. We have the original ...
15
votes
4answers
70k views

Where can I download the LEGO Mindstorms NXT 2.0 IDE?

I want to see how well that IDE runs on my old Windows XP laptop. I looked on www.lego.com, but it seems to all be documentation (downloads).
3
votes
2answers
161 views

Value/Where to sell my old Lego collection

I'm sure you've heard this asked a million times but I have no idea where and for what price I should be selling my old collection for. Things I do know about what I have: I'd assume they're "clean"...
4
votes
2answers
105 views

Identification please

I got hold of a lot of loose LEGO; included were three closed packages without assembly instructions. Two of these were numbered as 7 and 8 respectively, the third one is without numbering. I attach ...
11
votes
2answers
952 views

How did the LEGO Duck become a classic icon?

The LEGO handmade wooden Duck was released in 1935, long before the LEGO Brick was created. Many other wooden toys were made which can be seen in The Lego Museum, the duck however features in books, ...
1
vote
2answers
692 views

Buying Individual MiniFigures

I was big into LEGO bricks when I was a kid (now 33), and now my son is getting into them. I'm a huge collector of things (not a hoarder, a collector), and, like father, like son, he wants to collect ...
6
votes
3answers
386 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 ...
1
vote
1answer
208 views

How much do you think these Lego's are worth?

I've got some very old LEGO brick from the 50's, and am wondering how much they are worth. I'd like an estimate because I know that they are now collectors items that might be worth something. Here ...
7
votes
3answers
340 views

Is there a functional difference between bricks w/ and w/o bottom tubes?

For instance: 3040a - Slope 45° 2 x 1 - without Bottom Tube and 3040b - Slope 45° 2 x 1 Are both of these always interchangeable? If not, what are the cases where you would absolutely need no ...

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