1
vote
2answers
100 views

How to turn the NXT at an angle with NXC

How can I program, with NXC, a Lego NXT to turn a specific angle? I've tried using wait() but the problem isn't solved. Can I use RotateMotor()? What parameters should I use? For example if I want ...
14
votes
4answers
14k views

What was the first set produced by The LEGO Group?

What was the first Lego set produced, and when was it first released?
0
votes
1answer
476 views

How to fit lego power function LED lights onto cargo train (set: 60052)

can anyone out there explain / illustrate how to fit lego power function white LED lights on the blue cargo train (set number 60052)? We have assembled the engine but I cannot see where or how these ...
1
vote
1answer
57 views

EV3 motor TACHO signal connection. Hardware schematic questions

I'm trying to understand EV3 motor TACHO signals circuit on the EV3 hardware schematic. Please look at the image below. Two things I cant understand. On the left side the TACHOA0 input is ...
0
votes
1answer
35 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 ...
3
votes
1answer
48 views

Remove decals from LEGO Friends mini-dolls

I am trying to remove the decals from my LEGO Friends mini-dolls. Does anyone have any suggestions for doing this? I tried rubbing alchaol on a minifigure once, and it made it all gross looking, so I ...
2
votes
0answers
193 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
0answers
31 views

I need a block that can combine a movement program with NXTbee radio

I am a student. I am working on a science project using Lego Mindstorms robots enhanced with NXTbees creating a mesh network. My engineering mentor has me using Labview. I am trying to find a ...
1
vote
1answer
155 views

Issues with set 10234 book 3 pg 43

The white wing-like piece continues to pop off when placed. Has anyone figured out a fix for this or am I doing something wrong Instructions 3 & 4: src: ...
1
vote
0answers
97 views

Can I use EV3 with a TETRIX motor?

What program can I use to control a TETRIX motor through the LEGO EV3? I've heard that RobotC currently cannot be used for this. Has NI released a Labview version which I can use to control TETRIX ...
3
votes
0answers
48 views

What electrical contact material is used for PF Connectors?

I'm designing my own PF electrical connector and I want to have the same functional characteristics as the original Lego brick. Could you please let me know which electrical contact material is ...
3
votes
1answer
619 views

Why are Lego products so expensive in Europe?

Comparing a few Lego products at the official online store, I found U.S. prices seem to be consistently around 70% of those in Europe given current currency exchange rates. That's a surprising ...
0
votes
1answer
138 views

Can Mindstorms EV3 communicate using protocol 802.15.4?

My aim is to make the robot communicate using protocol 802.15.4 through a USB dongle 802.15.4 over 6LoWPAN. The robot has to be able to get information from TelosB. I wonder whether this possibility ...
1
vote
2answers
31 views

Bluetooth Conection PC-NXT1-NXT2

I want to connect, via Bluetooth, one PC with a NXT brick and then have that NXT communicate with another NXT. So I send a message from the PC to NXT1 and have NXT1 send a message to NXT2. Is this ...
2
votes
1answer
156 views

The most amount of pieces [ever] per set

Which set number had the most Standard LEGO elements to date? Technic LEGO elements to date?
2
votes
1answer
78 views

Lego RCX 1.0 problem with communication

I have a problem with communication between the tower (it's installed and it's working - green light when communicating by IR ) and a RCX 1.0. It's not downloading .lgo file. I've tried with few ...
1
vote
1answer
2k views

Getting the IR Tower working with RCX and RobotC [duplicate]

Possible Duplicate: Lego Mindstorms RCX RIS 2.0 IR tower Windows 7 / Windows XP driver Trying to get RobotC to work with my old RCX 2.0. I'm running windows 7 64 bit. I've connected the IR ...
1
vote
1answer
37 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?
5
votes
1answer
574 views

RobotC for RCX cannot find USB IR Tower

I have looked for similar question but found null. So here I am asking. I have Win7, a RobotC fo RCX and Mindstorms for RCX (both are old version, but available free). I borrowed an old LEGO kit ...
4
votes
1answer
125 views

Is it possible to use Bluetooth to connect two EV3 bricks using RobotC?

For example to send a numeric value from one to the other?
0
votes
0answers
86 views

Daisy chaining EV3 with RobotC

I'm trying to run EV3 programs with RobotC and trying run on EV3 Daisy Chaining. I have three independent EV3 bricks labelled A,B,C. I want, according to the color reading by the color sensor on ...
2
votes
1answer
63 views

How can I use bluetooth on my phone to run a program on the EV3 brick?

I tried the Commander app but it seems to just let you control individual motors. I would like to run the various programs I have made using an input on the phone through Bluetooth Is this possible ...
12
votes
6answers
6k views

What are the largest Technic-compatible tires on the market?

I am looking for the largest LEGO wheels with tires available to build a nice-sized RC LEGO car. Of course I will start with the simplest prototype, but I would like to achieve a design which will ...
2
votes
2answers
81 views

What logos appear on Duplo brick studs?

Do all regular Duplo bricks have the word "Duplo" written on their studs? If not, what variations are there?
1
vote
2answers
287 views

How to install NXT Firmware 1.28?

Lego is giving 1.31 from their website but I need 1.28, how can I install it?
3
votes
3answers
293 views

Why doesn't lego make many 2x2x4 Pieces?

I'm just wondering if anybody here knows where I can get some 2x2x4 pieces ... It seems that Lego doesn't make many just standard bricks that are 4 high ... I've found a few singles here and there on ...
9
votes
6answers
424 views

Which brands (fictional and non-fictional) have appeared in the Town/City theme?

A few years ago I wrote an article about the fictional organisation logos found in the City theme. I'd quite like to revisit this, as I'm sure I must have missed some. I also only focused on the ...
0
votes
1answer
41 views

What does 191767 mean in “Paper, Cardboard for Set 4336 #1, Scala Cat (191767)”

In BL http://www.bricklink.com/catalogItem.asp?P=4336cdb01 This cardboard's name is "Paper, Cardboard for Set 4336 #1, Scala Cat (191767)" What does "(191767)" mean here in the description?
1
vote
1answer
398 views

Is it possible to connect EV3 and NXT bricks like master/slave configuration via bluetooth?

Can I make a Bluetooth connection between LEGO EV3 bricks and LEGO NXT bricks? and If it is possible how to handle the software to make a chain between them?
2
votes
1answer
133 views

Light on color sensor is blue

We had the sensor color on red and it was working with our remote. We changed the batteries in the 'brain' and now the light sensor is blue and won't work with the remote. Any suggestions? It's a ...
4
votes
2answers
1k views

Can I change the Bluetooth identifier for an EV3 brick?

I'm coaching a number of FIRST Lego League teams and wish to set up our lab so that each computer could potentially be paired with each brick, but I want to uniquely identify the bricks (EV3-Team1, ...
3
votes
1answer
94 views

What does “No Friction” mean in Parts “Gear with 8 Teeth Wide, Notched and No Friction”

http://www.brickowl.com/catalog/lego-gear-with-8-teeth-wide-notched-and-no-friction-11955 As title, what does "No Friction" mean in the part "Gear with 8 Teeth Wide, Notched and No Friction" ?
6
votes
1answer
171 views

Quick way to inventory parts

I have a rather large collection of LEGO elements that are not sorted in any way, and I'd like to keep track of them. There are a few other posts about ways to keep track of elements, and I've looked ...
5
votes
1answer
438 views

Has Lego discontinued presenting alternate configurations on the backs of modern boxes?

When I was younger, the backs of my Castle/Space Lego set boxes showed alternate model builds for the supplied pieces, configurations not detailed in the instruction manual. I appreciated these ...
3
votes
2answers
1k views

How much is my large minifigure retail display worth?

I have an extra large LEGO figure (approximately 19 inches/48 cm tall) that I wish to sell. This is an item which has only been available to retailers as part of merchandising the stores. Any ideas ...
1
vote
1answer
173 views

EV3 T Rex problems

I am new to this and I need some help with the moveabsolute block which is described in Chapter 16 of Daniele Benedetelli's book. In figure 16 - 2 he describes the block and here is my problem: I ...
96
votes
3answers
76k views

How much usage can a LEGO piece take before it loses its 'clutch power'?

In this article it's mentioned that one very important feature of the LEGO bricks are their 'clutch power' which is "the ability of its bricks to snap together tightly while also being easy to ...
1
vote
3answers
415 views

LEGO STUDIOS Moviemaker Set

I was offered a set from LEGO STUDIOS line, very well maintained but without his software. Can someone share the installation CD in English of LEGO STUDIOS 1349 Steven Spielberg Moviemaker Set or ...
5
votes
1answer
132 views

Where are the electric pieces for 42029?

I was building LEGO 42029 Customized Pickup Truck, when I got to a page where I needed electrical parts, such as the battery box and the wires. I checked and these pieces were NOT included. Should ...
5
votes
5answers
790 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?
-3
votes
1answer
136 views

Way to build LEGO spaceship with regular bricks [closed]

How do I build a spaceship without buying a spaceship set? With a limited amount of bricks, like, say 300 2x4, 100 2x2, and about 20 2x1 bricks. I'm looking for instructions.
3
votes
2answers
141 views

Is this a real Duplo Train Base or fake?

I'm new to LEGO, so forgive me if this is a simple question. I purchased a lot of 30 Duplo Train Base from eBay. Below is the picture that accompanied the listing. There is a disclaimer stating: ...
2
votes
4answers
608 views

How to put LEGO together upside down

I'm building a truck. For the transmission, I want to make it all even and symmetrical. To do that I need the pieces to stay together but they have no studs connecting so they will just fall apart. ...
2
votes
1answer
61 views

Can a EV3 program run simultaneously with the Running Robot commander app?

Is it possible to run the Robot Commander app and a program on the EV3 brick at the same time? If so how would it be accomplished?
21
votes
5answers
28k views

What are the dimensions of a LEGO brick?

What are the real world dimensions of bricks? (starting with 1x1 brick) Plates? Studs? Does LEGO think of this in metric or imperial units or something else?
2
votes
2answers
663 views

EV3 Brick Error Symbols?

I am currently developing an EV3 robot that sorts colored technic beams. However, the brick will only run part of the program and then generate a strange error code on the brick's screen. The error ...
3
votes
2answers
341 views

How many ways can six 8-peg lego blocks of six different colors be combined?

I have seen the number quoted as > 650 billion. The quote is from a Danish mathematician, Soren Ehlers. Intuitively, this does not seem correct to me. Any mathematicians/statisticians out there who ...
0
votes
0answers
19 views

Where to buy 'retired' products [duplicate]

I was searching 'minifigures' and came across: http://search-en.lego.com/?cc=GB&lang=2057&q=pirate&ns=1&x=0&y=0 where some products are 'retired'. How would I go about acquiring ...
5
votes
1answer
163 views

Where did “LL 928” and “LL 929” come from?

Just finished putting Benny's Spaceship set together, and the Number printed on the side is "LL 929" which appears to be an increment from a much older set the Galaxy Explorer, which had "LL 928". My ...
3
votes
1answer
46 views

How to upload an XML file to wishlist in bricklink

I am triying to upload an XML file with all my brick wishlist to BrickLink. However, even if I follow the instructions on the webpage, it never seems to find the product in the catalogue. If I ...

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