13
votes
4answers
7k views

Looking for a site with custom instructions

I'm looking for a website that has some cool custom model instructions. I have a LEGO store near me and I'm able to buy pieces individually. I'm looking for more of a sci-fi ship kind of instructions. ...
0
votes
0answers
29 views

Trying to ID a piece.

Light grey, approx. 1 in. X 1 in. Shaped like a bottom jaw or a digger shovel. It has a half round hump in the middle of the piece.
4
votes
2answers
66 views

Making an ATM with an EV3

I am building an ATM using my LEGO Mindstorms EV3, but I ran across a problem. The problem is that I want to be able to input the amount of money that I want to get out of the ATM but I can only have ...
4
votes
2answers
42 views

Selling custom LEGO image mosaics using original LEGO bricks without breaking LEGO's Fair-Use Policy

We have designed software and an accompanying site to convert images into 48x48 (or larger) LEGO mosaics; we use the current LEGO color palette, use image dithering to improve color availability, ...
0
votes
3answers
50 views

What is the easiest option to start making instructions?

I'd like to make instructions for my kids, which they could read either on paper or on a tablet. What is the easiest option to achieve that, ideally using open-source software (and running on Linux)? ...
4
votes
1answer
139 views

What is this snapping brick for / which set is it from?

I've found this DUPLO brick: The red part can be pushed in and snaps out when the button on the top is pressed: Any idea which set this is from or what it could be used for?
3
votes
1answer
563 views

How to close color Sensor properly?

I want to get data from the color sensor with Bluetooth. I can get data but when the program terminates, the color sensor dose not close even though I call function close() on the color sensor. The ...
3
votes
2answers
60 views

Purchase a list of lego parts

If I have a list of lego parts (exported from Lego Digital Designer or Bricksmith) is there an easy way to purchase all of the parts either on Lego's Pick a Brick or on Bricklink? I know that I can ...
2
votes
1answer
148 views

What Technic vehicle is this in black and red?

Any help with the set this piece is associated with, would be appreciated.
1
vote
1answer
83 views

Vintage heads still in production?

Are vintage Lego heads with the classic grin still in production? I am having trouble deciding whether the head-with-grin piece (element ID 9336, called "MINI HEAD NO.1") which is produced today (and ...
6
votes
1answer
56 views

Where is this large beige motor with battery box from and how does it work?

I have a LEGO Technic motor with a built in battery box for 3xAA batteries (thus 4,5 volts). Could you help me identify it? What set does it belong to and how old is it? Colours are beige and ...
3
votes
1answer
39 views

Neutralize brick scent

I store some used Lego sets in household plastic boxes originally used for candy. I thought they were ideal, but now I found out the bricks have caught an unpleasant candy scent -- despite cleaning ...
4
votes
2answers
223 views

Going to Legoland Denmark with my family, what should I do/get?

Hello fellow LEGO lovers! I know this question is not entirely what this site is for but I figured I'd ask because I want to hear what you have to say. I have been wanting to go to the original ...
1
vote
1answer
240 views

Will it be fun to go to Legoland with my family? [closed]

I am 31 years old . My elder sister and mother are going to visit me. I want to see whether it is suitable to bring them to LegoLand.
4
votes
1answer
124 views

How do they keep the outdoor models so clean at the various Legoland parks?

I've visited Legoland in California a few times and was always impressed with the lack of accumulated grime or bird "strikes" on the outdoor displays. How do the park employees accomplish this feat? ...
0
votes
1answer
29 views

I need an NXT motor adapter

I'm trying to get an NXT motor adapter to this that I'm getting: If you don't recognize this, the parameters said : 80mm 2000 ±10% RPM 28.89 CFM Rifle 20.9 dBA Please tell me what this is ...
2
votes
1answer
69 views

Why can't I combine a EV3 Motor with a Technic frame in LDD?

It is easy and stress-free to attach a frame to a large motor in a vertical or horizontal manner as shown in the picture in real life. But I can't do the vertical version inside LDD. Anyone knows why? ...
14
votes
12answers
4k views

My poor minifig's head is stuck in his helmet!

Recently I made a LEGO race car with a driver who wore a helmet. Unfortunately, after the race, I tried to take off his helmet and his head came off inside the helmet. Any suggestions about getting it ...
2
votes
1answer
58 views

How can I power my LEGO pneumatic engine?

I have just finished building a simple LPE, but have no means to power it. I live on a farm and have access to a small air compressor, would that work?
0
votes
2answers
91 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 ...
3
votes
1answer
39 views

What prevents a 12V motor, when pushed by hand, from providing DC electric out?

This question is somewhat related to a similar question I asked about whether pushing a 12V train motor (such as the one below) would damage it. See title "Set 7865: six wheeled Lego® train motor ...
2
votes
1answer
84 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 ...
0
votes
0answers
37 views

EV3 SPIK3R Mission 5 Just keeps backing up

I completely built the Mindstorms EV3 Spik3r. Missions 1-4 worked fine. However, with mission 5, and using the pre-made program, the robot just keeps backing up, instead of facing the bug, shooting it ...
2
votes
2answers
93 views

Is there a good way to buy molded LEGO boxes?

I'm considering some new storage options, and there are some official LEGO boxes that I'd like to use as they already fit in my existing shelving system. The following sets contain the boxes that I'd ...
2
votes
2answers
97 views

Have Multiple Inputs to Programming Block

Originally, I had a simple program to move until the robot hit a wall, then it reversed and turned and moved again, repeated to infinity. It works by turning the motors on, waiting for input from the ...
35
votes
6answers
7k views

Has anyone made LEGO fly?

It may not be the ideal material. But has there ever been a LEGO model airplane with the ability to glide, under power maybe, or some other kind of successful lifting airship? Helicopter, blimp, kite, ...
0
votes
0answers
33 views

Firmware problem or EV3 problem

I've gotten EV3 recently. Sometimes after I download the program it doesn't run and it's not possible to stop it, so I have to reset EV3 to update and download firmware! It occurs many times! I don't ...
2
votes
1answer
40 views

How to measure green/blue reflected light on EV3?

As I know there is no way to turn on green/blue reflected light on EV3 color sensor. Is there a way to do it using NXT color sensor and EV3 controller? Or the only way is to use NXT controller ...
8
votes
1answer
582 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 ...
3
votes
1answer
484 views

Is there a free EV3 simulator (virtual machine) for the Mac OS?

I recently saw this question on a virtual EV3 machine. From the video, I felt that this software will be great. However, I don't have the budget needed to buy a licence. Is there any alternative to ...
1
vote
1answer
266 views

Dimensions for EV3pieces

I need to know the dimensions of the EV3 pieces for a school project (in mm). Does anyone know?
0
votes
1answer
31 views

pc program to receive data from EV3 via usb/bluetooth

I'm looking for a library to create a desktop program. It should receive a data from EV3 brick programmed by standard EV3 software. Currently I consider 2 approaches: 1. EV3 brick sends a bluetooth ...
3
votes
2answers
3k views

Minifigures creator?

Does a website to create custom minifigs exist? For exemple, you choose your head (between all official LEGO releases), torso, legs, and hair, and then you can purchase it for the same price as you ...
1
vote
1answer
72 views

Bluetooth communication between computer and nxt using RobotC

I'm thinking starting a project involving controlling the movement of a NXT robot from the PC using RobotC. Is it possible? Does anyone have a simple code solution?
0
votes
1answer
47 views

Color Sensor/hi-tech and EV3

I want to create a line follower by EV3 using hi-tech color sensor without using switch! :( I tried some former ways but the robot cannot follow the line very well! can anyone guide me?
0
votes
2answers
194 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 ...
0
votes
0answers
48 views

What's the first block in MoveAbsolute for programming the T-Rex, in The LEGO MINDSTORMS EV3 Laboratory book? [duplicate]

On MoveAbsolute2 and 1 for The LEGO MINDSTORMS EV3 Laboratory book by Daniele Benedettelli, programming the T-Rex, I don't know what the first block is, can i please have help?
1
vote
1answer
60 views

Use for “Technic Coupling, Tight” and “Technic Coupling 3,5-6 Ncm”

Power Functions set 8293 contains these pieces http://brickset.com/sets/containing-part-6025005 http://brickset.com/sets/containing-part-6036892 and they make the set much more expensive than just ...
1
vote
1answer
67 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?
0
votes
2answers
32 views

What are good DUPLO projects for around 2 year olds?

It is always good to have a bunch of (short) building projects to suggest to our toddlers. Here I would like to collect some easy ones for DUPLO. I'm not particularly interesting in creating ...
0
votes
1answer
25 views

When was the RCX 2.0 released?

I know that the original RCX was released in 1998 and the NXT was released in 2006, but when was the RCX revision 2.0 released?
0
votes
1answer
49 views

Batman Arkham Knight Batmobile Instructions

Where can I find a set of instructions for the Lego Batman Arkham Knight Batmobile?
0
votes
0answers
18 views

Transfer BrickOwl wishlists to BrickLink

Is there an easy/automated way to transfer BrickOwl wish lists to BrickLink? I have wishlists on BO for each incomplete set I own and would like to move them over to see if BL can complete them ...
1
vote
1answer
235 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 ...
2
votes
0answers
138 views

8258 Headlight assemblies

Anyone else having a problem with with headlight assemblies on 8258 crane truck? I can't seem to fit them in due to interference from fog light bar. Thanks
3
votes
2answers
2k views

How can I transmit horizontal torque to vertical?

I have a setup where I have a step motor which I am attaching a gear onto. The motor will make the gear stand horizontal in a small vehicle. Is there any good gear combinations of LEGO gears that can ...
1
vote
1answer
96 views

Can you use a beveled gear as a pinion?

I would like to use the PF servo motor for steering, however it is very large - I was playing with the idea of having it mounted vertically, and then using bevel gears to change the direction of the ...
1
vote
0answers
16 views

At what voltage do the c1 and c2 lines run at when controlling a lego servo motor?

related: how to control a servo motor from a raspberry pi The raspberry Pi normally outputs 3.3 V signals from it's pins, however there are logic level converters for interfacing with higher-voltage ...
2
votes
1answer
359 views

Strongest LEGO structure - (2) Floor

What is the strongest LEGO box 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 ...
1
vote
1answer
120 views

What is wrong with a Lego pneumatics system that won't go?

I own a LEGO Technic Unimog U-400 (part number 8110) and have been very pleased so far with the performance of its pneumatic system. However, after storing for just a month or two (after a good 5+ ...

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