1
vote
3answers
81 views

Lego Minifigures Series 14 Female Ghosts!

Do all of the Lego Minifigures Series 14 Female Ghosts have a smaller, more square-ish neck part?
0
votes
3answers
467 views

LEGO Mindstorms NXT - bossa driver prevents firmware upgrade

First of all, this may sound like a duplicate post. But, my Mindstorms NXT 2.0 has been having the "Clicking Brick Syndrome". I have been told that uninstalling the bossa driver then unplugging and ...
3
votes
2answers
61 views

Lego NXT Exploitation or Vulnerabilities?

I originally posted this question on the Reverse Engineering site, but there were no answers. They told me to also post this question here. OK, my friends and I have Lego NXT sumo bot competions for ...
8
votes
3answers
611 views

How to straighten 32L axles?

I have a number of the 32L technic axles, but most of them have some bend to them. Is there a straight-forward way to straighten these? Trying to bend them by hand has not seemed to change anything, ...
0
votes
0answers
14 views

How to pass an unknown type as a function parameter in NXC?

I was trying to do it as in a regular C, with void*, but it didn't work. Is it possible to pass it in NXC? If it is- how to do it?
3
votes
2answers
86 views

Cutting a Lego baseplate

I have a regular Lego baseplate that I'd like to shave down to fit into a car travel kit. Does anyone have experiencing cutting a baseplate? I'd love tips on tools or technique!
3
votes
1answer
158 views

Lego Digital Designer on OS X El Capitan?

Since the El Capitan 10.11.2 upgrade some options are gone in Lego Digital Designer. In the Preferences menu the "Outlines of bricks" and "Advanced shading" are options unselectable. The annoying ...
1
vote
0answers
42 views

Lego Model to 3D Converter

I've created a LEGO figure using a great number of ball joints for maximum flexibility. The pre-finalized version of this model, before I got the legs working the way I wanted them, is shown in this ...
1
vote
1answer
49 views

How to represent infinity in NXC?

Is there anything like Java's Float.POSITIVE_INFINITY in NXC? How else can one represent the positive infinity in NXC?
2
votes
3answers
109 views

Torso and legs with different LEGO logos. Are they genuine?

I have a torso with rounded edges and "Lego" stamped on top. The arms not stamped. I also have a torso with straight edges and "Lego" stamped on top. The arms are stamped. Are these both genuine? I ...
2
votes
1answer
26 views

Absolute position regulation NXC

I am trying to position the LEGO NXT motor exactly at a certain absolute angle: PosRegEnable (OUT_A); PosRegSetAngle (OUT_A, 0); Wait (500); // to read sensor value ...
1
vote
2answers
82 views

Do WHITE Lego elements fade or yellow while sealed for years, or do they stay their perfect white original color?

I was wondering if anyone has opened a sealed set like Taj Mahal or Star Wars UCS Imperial Shuttle after it had been sealed for years, and if so, were the white LEGO elements still perfectly white, or ...
4
votes
3answers
2k 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 ...
2
votes
1answer
63 views

What are good books for building techniques of LEGO Technic

I've been searching for good resources for especially LEGO Technic. I find the Unofficial LEGO Technic Builder's Guide by Paweł “Sariel” Kmieć. The book is very good at explaining things. Beside that ...
2
votes
0answers
75 views

Is there a free ImageSet of the Minifigure Series?

As I wrote an iOS App, which helps you collect the Minifigure Series, that I want to distribute for free and LEGO is not willing to let me use their Minifigure Images, I am looking for the images ...
1
vote
1answer
25 views

EV3 won't connect through bluetooth anymore

I was using VS2015 (C#) to write simple programs for my EV3 using a bluetooth connection. This was working fine for several days and then suddenly stopped. I can't for the life of me figure out why. ...
1
vote
1answer
83 views

What are the measurements of the different Lego instruction booklets?

I've noticed that there are at least three different sizes (eg 7.8"x5", 4"x5.8" and 7"x8"). Are there other sizes?
3
votes
1answer
221 views

NXT shuts down in 5 minutes

I have an NXT brick that will always shut down after 5 minutes. No, it is not the sleep timer. Documentation from the NXT Hardware SDK, page 17, states that if the ARM7 processor does not send back ...
0
votes
1answer
44 views

Lego controller 8879

How does the Lego technic 8879 controller work? When you make it go forwards/backwards and let go does it stay at that speed like the more recent helicopters or does it go back around? And how does it ...
0
votes
0answers
62 views

Does LEGO still exchange the Mindstorms NXT bricks with flicker problems?

I'm new here. Does LEGO still exchange the Mindstorms NXT bricks with flicker problems? If not, does anyone know of someone willing to try and fix them for a fee or barter? Many thanks in advance!
2
votes
1answer
157 views

Is there such a thing as this 2x4 brick in existence?

I've been working on a little history project to make a shadowbox/display-type thing of all of the major evolutions of the 2x4 brick over the years. (I know this can get really in-depth, and I'm ...
1
vote
1answer
77 views

How to clear off oils in a way that will not damage the plastic?

Especially with the pneumatic cylinders, so it has to not make the metal rust too. Also, it is oxidized vegetable that is stuck in there, inside the pneumatic cylinders. And it started to make it all ...
6
votes
2answers
431 views

Why did LEGO create different canister for the Visorak?

I have the six original Visorak (Sets 8742, 8743, 8744, 8745, 8746 and 8747) with different canisters (or boxes). For example, my Suukorak (8747) has a white canister, and my friend's has a black ...
1
vote
1answer
24 views

How many Bionicle store displays were created?

I'm an avid Bionicle collector and am curious as to how many unique store display tubes were created during the lines original run. To add some known information to my question I KNOW there was a Tahu ...
1
vote
1answer
66 views

Minifigure arms and legs do not have stamps

I have loads of minifigures from the 1980's and have just found out that none of the arms or individual legs are stamped with the LEGO logo.However, torsos, heads, and hips are all stamped. Does this ...
1
vote
3answers
131 views

Made a big program in EV3's programming software for AI creation and it went from slow to not loading

Made a big program in EV3's programming software for AI creation and it went from slow to not loading. It just displays the loading bar in the middle of the page. Even my lenovo windows 10 8GB RAM ...
2
votes
1answer
188 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?
1
vote
1answer
61 views

How can I make Custom Instructions for my MOC?

I'm a huge AFOL and recently have quit my job in order to take my part time job of selling Lego to the next level. However, there's a new venture I'm having difficulty with and I would greatly ...
6
votes
3answers
3k views

Are BanBao bricks compatible with Lego?

Does anyone has experience with BanBao bricks? BanBao World Are they compatible with Lego bricks? They have basic sets and plates which are at a good price.
0
votes
0answers
26 views

How do you get LEGO Education EV3 Software? [duplicate]

Does anyone know how to get it? I have a rough feeling that you get it by purchasing the product? Please help.
18
votes
5answers
2k views

Can an axle be removed from this Technic 'brick paradox'?

This blogpost on Technic Bricks briefly explains a few 'brick paradoxes' or dead ends. This particular model seems impossible to disassemble by hand: How can I remove the axle without ...
0
votes
1answer
66 views

Java BufferedImage with Lejos NXT: Java Heap Space

I'm trying to write a program for my Lego Mindstorm NXT, the program is simple, drawing some lines and saving the image in a .png file. So, I thought I'd use BufferedImage and use getGraphics to draw ...
0
votes
0answers
22 views

Lego Mindstorms EV3 Software

I have come across a bug where my computer just wont accept the software I tried using a usb after the first THREE tries to download it but that didnt even work. Does anyone have the same problem or ...
3
votes
2answers
301 views

Issues connecting the EV3 on Windows 8.1 64bit

I have got a computer with Windows 8.1 64 bit and I have installed LEGO Mindstorms EV3 software Home edition and tried to connect the EV3 brick to the computer, but the brick didn´t connect to the ...
0
votes
1answer
26 views

Where can I find a good tutorial on programming with Lejos?

I want to get started with Lejos and use java to check to see if an ev3 touch sensor is pressed, but I can't find any decent tutorials. Are there any good resources for this?
0
votes
2answers
109 views

I have several sets of unidentified Lego bags with no part number. How can I figure out what to build?

I have a photo but it is too large to post. These were donated to me. In fact, I have a huge tub of random Legos that were donated to me and I have no idea how to organize the parts. Most were not in ...
1
vote
1answer
79 views

Where to get additional part library graphics for BlueBrick layout designer

I love BlueBrick, the track and layout designer from developer Alban Nanty. I have been using it for years and it is the best tool I have found for designing a full layout including train tracks. ...
2
votes
3answers
192 views

Where are the 2 by 2 turntables in LDD?

I just updated to LDD to 4.3.9 today and I can't find the 2 by 2 turntable pieces. What section are they under now?
1
vote
2answers
68 views

Which 3307 Arch 1 x 6 x 2 is correct for 10225 R2D2 Set? “Thick Top with Reinforced Underside” or “Thin Top without Reinforced Underside”

BrickLink shows that the 10225 R2 D2 set contains 3307 Arch 1 x 6 x 2 "Thick Top With Reinforced Underside", but I purchased that set and mine contains the newer "12939" variation which is described ...
1
vote
6answers
251 views

Most inseparable combinations?

Some piece combinations are really hard to get apart. Really hard. Can some answerers provide a list of "danger combos"? For example, a 2x2 with a round 2x2 on bottom. Also, if possible, provide a ...
4
votes
3answers
91 views

Challenge: Specialized Palm Build

I'm trying to design a hand for a MOC using the (not so) new Mixels ball joints, in line with a concept that I've had rattling around in my head for a while. The current palm design I'm trying uses ...
1
vote
2answers
143 views

What are some “Illegal” LEGO combinations?

On Brothers Brick, there is an AFOL term for bad LEGO combos: Illegal. These combinations are "unconventional" and put stress on the bricks. Essentially, they are nonconformist, risky maneuvers, ...
0
votes
1answer
122 views

Curved piece seems incredibly useful… what is it?

On this link, there is a special recurring curved piece throughout the photos. It is light grey, can be held by a figure on both sides but not the middle, and looks a little like a paint-roller ...
1
vote
1answer
102 views

Can you identify these parts?

Please help me identify these lego parts - I'm trying to build them.
1
vote
1answer
45 views

Conductive “App Brick” without human contact

This may not be entirely LEGO-related, but more related to touch screen technology. I'd like the LEGO app brick (http://brickset.com/sets/containing-part-6103777) to register a touch on a touch ...
1
vote
1answer
76 views

Help with this .nxc Tripod program

I am getting a file error when I try to run this on my NXT 2.0. It's my first time using NXC and the program compiles and transfers fine... I tried replacing the batteries, the only other thing is ...
2
votes
2answers
41 views

EV3 screen stuck at “Starting…”

After I turn the device on, its screen is stuck at "starting..." for a long time. It hasn't change into the regular screen, and the light behind the button was still red (didn't become green). Is ...
0
votes
0answers
40 views

Sending Gcode to Lego mindstorms x/y plotter?

I am building an x/y plotter out of LEGO Mindstorms. I would like it to read an SVG file on the EV3 brick, convert it to gcode, and draw the coordinates. How would I go about doing this?
1
vote
1answer
219 views

Clicking Brick Syndrome after using Raspberry Pi

I have a Mindstorms NXT brick, and when switching it on recently, it just started clicking. I have tried many different ways to fix it, but nothing has worked. I've done a soft reset, hard reset ...
0
votes
1answer
67 views

Mindstorms brick has a dim display

The LCD display on my Mindstorms brick (microprocessor) is very dim. It is not just a low battery; I've plugged it into an AC adapter. Anybody encounter this problem? I will post a picture of the ...

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