1
vote
2answers
88 views

draw program for Lego MOC models?

I want to design a MOC digitally I can do this with ldraw but, are there any drawing programs better than ldraw to make models of lego ? kind regards, Peter
1
vote
2answers
580 views

What software should I install for NXT on OSX El 10.11.2 Capitan?

Sorry, I am brand new to Mindstorms and a bit overwhelmed. I bought an NXT robot over Christmas and am confused what software I should install. I installed the EV3 software. The bluetooth doesn't work,...
12
votes
3answers
6k views

Removing glue from Lego bricks

When I was five my Dad used some kind of a good glue to put together a set together so I didn't loose any pieces. Putting the ethics of that action aside, I want to split the bricks from another and ...
-4
votes
1answer
142 views

Are these real Lego figures?

Are these real LEGO figures or custom non-LEGO designs?
3
votes
1answer
90 views

Can someone please help me identify this antenna/rod part? It attaches to the bottom of a brick

These red antenna-like pieces have four flanges at the base. The base does NOT fit on top of a stud, but rather it will fit the underside/bottom side of brick. The two pieces can also be connected ...
4
votes
2answers
747 views

Which was the first set / minifig with two faces to choose from?

Some of my minifigs (like Iron Man, and Bilbo Baggins, and Harry Potter) have two different faces to show different emotions (usually something happy and something unhappy or upset or angry). How long ...
0
votes
0answers
16 views

Software for build options from pieces I already have? [duplicate]

Is there software or a site that allows me to enter what LEGO pieces I have and will give me build instructions?
7
votes
3answers
4k views

How to sort complete sets from box of unsorted LEGO

My son has thousands of pieces of LEGO, but he has them all dumped in a box. Is there any way to figure out what sets they went to if I don't remember the names of them?
0
votes
2answers
66 views

What is an inexpensive camera for photographing Lego? [closed]

What is an inexpensive camera for taking pictures of LEGO? I currently use an iPad and I am not satisfied with the photo quality. I would prefer something 100$ or less, if possible.
1
vote
0answers
22 views

Printing an actual suit on a LEGO figure [duplicate]

I love LEGO bricks, and I'm always looking for more unique figs. I go on eBay all the time, and one person named onlinesailin makes AMAZINGLY detailed and cool guys. I want to know how to actually ...
4
votes
5answers
3k views

Does the Mindstorms EV3 software run on OS X El Capitan?

El Capitan was released a few days ago, and I want to upgrade. Will there be issues with the software, or will it run nicely on El Capitan? My Mac: Retina MacBook Pro 13", Early 2015
8
votes
2answers
180 views

What is the biggest base plate available?

I'm looking for as large a base plate as possible. Below is a 48x48 stud base, it's the largest I've seen. Are larger plates available? Either the thin type (as pictured) or the regular plate ...
5
votes
1answer
345 views

Identification of Batman / Joker Set

I went through the DC Comics Super Heroes and Batman categories of Brickset without being able to identify the origin of this bag of pieces. The only information are 135149 and a year, 2011, ...
2
votes
1answer
95 views

Lego Color Sensor - EV3

My son is using his EV3 with a color sensor. He is using the sensor to test the reflectivity of different materials. Can you please tell me what the letters "PCT" stand for?
1
vote
1answer
183 views

EV3 IR, ultrasonic senosor datasheets

I want to connect EV3 IR and ultrasonic sensors to my Arduino. Unfortunately could not find any good documents describing how to use/control them. Could you please help? Thank you very much.
2
votes
1answer
99 views

How to Motorize the LEGO Mars Rover

I am looking for some suggestions. My daughter is building the Mars Rover set (go here for the details: http://www.eurobricks.com/forum/index.php?showtopic=98222) for a presentation at school and I ...
0
votes
2answers
192 views

Why do LEGO sets have a minium age rating? [closed]

Many LEGO sets have minimum age ratings, such as 7-12, 9-14, and 16+. Why is this? Are the models really that different in terms of complexity? Also, why does LEGO often indicate that sets are not ...
2
votes
1answer
159 views

Tufts MAZE LabView Program Will Not Run on EV3

Through the 2012 LabVIEW for LEGO software package, I found an example of a maze from Tufts. I cannot get it to run on an EV3. It appears to just constantly execute the initialization. How can I ...
6
votes
2answers
143 views

Can anyone help me identify this Fabuland figure?

I found 2 of them in a box of LEGO I had as a kid, it fits the LEGO baseboards/bricks but I don't have a clue what it is or where it is from! My daughter is now the proud owner of my Lego (along with ...
1
vote
1answer
100 views

How to fix the Gyro

Currently the gyro sensor connected to the EV3 brick doesn't really work. whenever the gyro is attempted to be used the robot will just sit and spin once it gets to where it needs to use the gyro. Any ...
7
votes
1answer
131 views

What part(s) can I use to connect modules at a 90 degree angle?

I'm looking for brainstorming! All ideas welcome. I have a design I'm working on which: is made of a bunch of identical modules fitting into a single framework has to allow the modules to "plug in" ...
1
vote
1answer
62 views

Why does display output affects motors?

I'm making a simple program with LEGO EV3 Education. It makes a little tank to follow a black line over a white-ish floor. Here it is: [] This works very smooth: it makes the tank follow the EDGE ...
11
votes
2answers
4k views

Bridge from just basic bricks?

I teach an after-school engineering class using LEGO bricks, one of our classes has the students build a bridge. Each student gets a custom set of about 150 2x4 bricks, about 300 2x2 bricks, and, if ...
1
vote
1answer
87 views

How many pneumatic actuators does one air tank support

For example, I want to use air tanks to supply pressure to up to 18 pneumatic actuators (19475c01), but I don't know how many air tanks I should buy to supply the air pressure required by all of them. ...
4
votes
1answer
55 views

Are Duplo gears compatible with Regular ones?

Can I make a transmission from Duplo gear (Early Simple Machines Set 9656) to regular-sized gear?
3
votes
1answer
98 views

Minimizing brick loss during play

Lego bricks are obviously made for playing---and should be played with. But, as a parent who strives to keep the set collection in order, it is not fun when bricks get lost after play and sets become ...
1
vote
1answer
115 views

What are the best sources of information for upcoming lego sets?

Lego sometimes offers me a "Lego Calendar" with upcoming events,sets, sales and coupons. Whether or not I get this calendar is hit/miss and it only notifies me of the next month's news. I've ...
1
vote
0answers
56 views

NXT (NXC) Programs are too slow

I am using Bricx Command Center to write some NXC code for a side project. I am working with the MindSqualls C# Library in Unity and am trying to figure out some ways to use the NXT robots in an event-...
5
votes
3answers
3k views

Is it possible to edit a my block input parameter value?

I have created my blocks but want to change the input parameter to a negative. Is this possible or must all the myblocks be re-written?
7
votes
2answers
3k views

Exact dimensions of studless Technic beams

I'm looking for the exact dimensions of the studless Technic beams. I found a number of answers for studded beams but there are some more aspects for the studless beams which are not covered. I'm ...
4
votes
1answer
240 views

Did Lego ever make bricks without the Lego logo?

While sorting my Lego collection I found bricks with two different fonts and many without a font at all. I also found Tyco and Mega Blocks bricks. So did Lego ever make blank bricks?
0
votes
1answer
93 views

Where does Saul's head come from at 0:12?

I'd like to build the same figure but I am unable to locate the head. Video: https://www.youtube.com/watch?v=UajSKjQUDPE
0
votes
3answers
83 views

Lego model of USB socket?

I am looking to make a LEGO version of my laptop. Is there a LEGO brick or set of LEGO bricks that would form a USB socket?
1
vote
1answer
65 views

How can I get a replacement of LEGO NXT Green City Challenge Activity Pack CD-Rom?

I purchased the LEGO Mindstorms NXT Green City Challenge Pack on LEGO many years ago. Now, I wanted to use back this challenge pack, but I found that I've lost the CD Rom and the class that I am using ...
5
votes
2answers
153 views

BAFTA Bob the builder set value?

I have a boxed sealed LEGO set from 2002. I attended the Children's BAFTA dinner, with several celebrities. Each had an exclusive Bob the Builder set as a gift under their seat, which included a LEGO ...
3
votes
3answers
1k views

Can you buy a large two sided brick?

Today I bought a baseplate, 10700. Sadly, the female connectors on the back are not "LEGO compatible"...you can't plug any LEGO bricks into them. I want to build a LEGO cart so dash can pull dot (a ...
8
votes
1answer
473 views

Alternative for Technic, Gear Rack 1 x 7 with Axle and Pin Holes?

We are trying to build a MOC which requires Technic, Gear Rack 1 x 7 with Axle and Pin Holes and we don't have that. Could we build it? Or are there any alternatives? FYI we do have Technic Gear ...
0
votes
1answer
68 views

Lego Mindstorm NXT memorise line followed (LeJos)

I made a line follower program with leJos, it works pretty well; and I want to take it to the next level: I want to make it remember the line it followed; works like this: follow the line till the end,...
1
vote
2answers
57 views

Lego Friends lost instructions

Where do I find instructions for Lego Friends that my daughter has managed to lose but are also discontinued?
2
votes
3answers
1k views

Mindstorms crashes when connecting to EV3 with Bluetooth

I am using OS X 10.10 (Yosemite) on a 2011 MacBook Air, LEGO Mindstorms EV3 Home Edition v1.0 and the latest firmware on the EV3 (v1.06H) When I attempt to pair the EV3 with my Mac over Bluetooth, ...
26
votes
2answers
26k views

What kind of plastic are LEGO bricks made of?

It’s rather obvious that Lego bricks are made from plastic, but there are many kinds of plastic. Is the recipe for LEGO bricks plastic secret?
2
votes
1answer
84 views

Can someone please help me ID these parts?

I'm trying to recreate this small creation, but don't have a parts list: Going from top down, here are my best guesses, but I'm not very good at this: 2654 (Black) Plate, Round 2 x 2 with Rounded ...
10
votes
4answers
5k 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 ...
0
votes
1answer
62 views

Having trouble pushing 6.6L bar into pin connectors

I have a dilemma where I am trying to push a 6.6L bar(4095)through 3 stacked pin connectors(62462) that have 1 long pin(6558) and 2 pins (4459) inserted. The bar only goes in a little bit and then it ...
3
votes
3answers
1k views

El Capitan OS X and Nxt v2

I am running El Capitan OS x, and I have a nxt v2 brick. Is there anyway I use them together? The nxt installer crashes and the ev3 software will not update the firmware on the brick. Do I have any ...
3
votes
2answers
111 views

Please help me identify set

Please help me identify which sets these are from. I got a bag or LEGO and I think it is from multiple sets. Thank you!
0
votes
2answers
108 views

Don't know how to call this but

I want to make a program that does a few things in a random order: I have this so far: The problem here is... I have set the switch block with the random number block to 3 different programs to run. ...
1
vote
3answers
186 views

What is the name/number of this brick

I was wondering what this piece are? (the two gray tile like bricks)and what are their names since I want to order some online.
0
votes
1answer
65 views

Where does the left hobo's head come from at 0:18

I identified the right one (Emperor Palpatine), but I can't find the left one's head. Any help? Video: https://www.youtube.com/watch?v=befr11mPESE
0
votes
0answers
58 views

How to determine orientation of a EV3 gripper?

I have built the EV3 Gripper using the manual. I am programming an ev3 brick using ev3dev. I need to determine the angle/direction/orientation of the robot programmatically, before I can issue a ...

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