0
votes
1answer
46 views

Sending information from one EV3 brick to another EV3 brick

I am working on a project using RobotC and multiple EV3 bricks to participate in a robotics challenge. I am wondering if it is possible to send sensor values from one brick to another through either ...
25
votes
6answers
7k views

Has anyone automated the LEGO hand sorting process beyond “pawing & piling”?

I need to rephrase my question. Has anyone built or used a large pigeon hole/ chute/ bin collection system to sort LEGO elements? The sorting system doesn't need to be made of LEGO bricks. I just want ...
3
votes
3answers
8k views

What is the easiest way to sell Lego sets for a good price?

I have a HUGE collection of LEGO sets that I want to sell. Ebay is too cheap and Craigslist takes too long. Is there an easier and faster way to get some good money?
4
votes
2answers
253 views

Is there a LEGO Tyre Shop set?

Is there a LEGO set of a tyre shop (garage)? In other words, a set with play features where tyres could be disassembled by a tyre-changing machine, with a lift for cars or bikes, and other tools for ...
1
vote
0answers
56 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?
6
votes
4answers
6k views

What's the best way to glue/adhese the street baseplates to a plywood table?

I'm building a Lego city, and I want to permanently glue the road onto the table. But I don't want it to be "lumpy", or melt, and I want to make sure that the baseplates will not come off the table, ...
5
votes
1answer
225 views

What Can I Build With This

I have set of lego pieces that I bought second hand that, I know its a full set because the bag was unopened but i have no idea what i'm supposed to build with it,
6
votes
1answer
264 views

Where can I get replacement cables of this kind?

What I'm looking for: This is a 4,5V cable which is part of an old set I once had. I don't have any parts number, but I know this comes in different lengths. Google told me about bricklink.com and ...
5
votes
3answers
169 views

Best way to match minifigs and tell what set they are from?

What is the best way to match minifig torsos, legs, heads? Is there a listing of all LEGO minifigures? I have a lot of minifigs with torsos and legs but have no idea which head goes with it. ...
7
votes
3answers
418 views

What is the purpose of this plate with door rail?

I'm looking at the this piece: Is this piece some kind of a track on which you can build stuff that slides? I see it in sets as a decorative piece from time to time. What does "door rail" even ...
3
votes
2answers
787 views

Buying minifigure parts at the Lego Store

Is it possible to buy individual Minifigure parts (like minifig heads only) at the LEGO store? (the physical ones, not the online) if so, how much would they go for?
3
votes
2answers
257 views

What kind of “Lego” figures are these?

Can anyone tell me about these lego-compatible figures? They clearly aren't lego brand, they don't look like mega blok figures or tyco figures that I have seen (not that they couldn't be one of those ...
3
votes
2answers
238 views

What is this minifig?

Saw this on Facebook, what is this minifig? Some people say it is from Atlantis but I'm not so sure.
2
votes
2answers
134 views

How can I fix my chewed up LEGO head?

When I was about 8 I used to bite down on loose LEGO heads to "fix" them. Of course after the heads "treatment" they would have chew marks around the neck. Is there any way to make these marks less ...
3
votes
3answers
199 views

Are LEGO cost-cutting with materials?

Is it just me, because I have noticed that with the recent LEGO bricks and mini figures they have many many more cracks. Especially on the sides of their torso. I have noticed that specific (newish) ...
7
votes
3answers
161 views

Are the plastic bags inside the LEGO box recyclable?

Are the plastic bags inside the LEGO box recyclable? Also, why aren't the plastic bags inside the box not completely filled? If The LEGO Group didn't want it completely filled then why not decrease ...
4
votes
3answers
189 views

LEGO minifig authenticity

I bought 3 mini figures from Amazon because I wanted specific mini figures and did not want to spend $30 plus doing so with bag ordering and opening. I got the figures and they look authentic. The ...
2
votes
2answers
122 views

Lego Star Wars age limits?

Want to buy my boyfriend Lego for Christmas as I know he'd love it, but am very confused about the age limits on the boxes! If I buy one age 8-14 for example, is it too simple? Don't want to offend ...
2
votes
1answer
51 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
65 views

Connect 39k3 powerpack to 417j3 motor

I'm new to lego. Trying to connect the powerpack 39k3 from 42009 Crane to a 417j3 motor. Is a 8528 Converter Cables for Mindstorms NXT the right cable? Is there a way to hack a phone connector ...
4
votes
1answer
56 views

LabView Mindstorms - What does speed in seconds mean?

I'm trying to set a motor to spin exactly at 60rpm, and I'm using LabView for Lego Mindstorms. However, when reading the documentation for the move motor block, it says this: Power/Speed ...
1
vote
1answer
61 views

Downloading error code 0 for ev3 programs

When I download some programs to my ev3, the application gives me an error as shown below. Error downloading Projects/SUP3RCAR/ResetSteer.rbf during deployment. Error code:0 Can somebody tell me why ...
2
votes
3answers
327 views

Looking for Adult LEGO

Possible duplicate of: Are there LEGO sets designed for adults? The pieces are smaller for higher resolution, the colors are not primary and there are more of them. does this exist?
4
votes
1answer
790 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 ...
11
votes
3answers
917 views

Are there any Star Wars vehicles that have not yet been produced in a Lego kit?

This includes all six films and the Clone Wars spin-offs. Every vehicle I can think seems to have been produced as part of a kit at some point. Are there any that haven't?
3
votes
2answers
224 views

Custom Power Functions plug design

I'm considering the possibility of making my own Power Functions-compatible sockets for a project. I'm designing a module board for a single-board-computer with motor drivers and would like to encase ...
1
vote
1answer
77 views

Site or example project / downloadable programme resource anywhere for the EV3 mindstorm?

There seems to be lots of available examples for the NXC version, but I can't find anything for the EV3. I thought that there would be a load of example project files with the software but there's ...
2
votes
2answers
116 views

Age recommendations explained? [duplicate]

Can you explain the rationale behind age recommendations for various Lego products? For example, what makes a 4-7 rating different from a 6-8? Is it unreasonable to buy a set labelled 12+ for my very ...
3
votes
1answer
98 views

Wiring and Controlling an 88004 servo from a RaspberryPI

My 88004 servo does not move at all. Don't know how I should connect the wires correctly. I think the inner two cables are C1 and C2 and the outer two GND and VCC. When I connect 6.5V to the outer ...
29
votes
5answers
10k views

How are LEGO sets designed?

I've often wondered how it is that LEGO goes about creating new sets. I can easily imagine a person sitting in a room all day with unlimited pieces of every shape but with some of the complicated sets ...
5
votes
1answer
583 views

How to control a 88004 Servo Motor with a Raspberry Pi?

I am able to control a simple servo motor such as SG90 by using pulse-width modulation. However when it comes to controlling a 88004 LEGO Servo Motor it is simply a nightmare. By using PWM all I ...
-1
votes
2answers
164 views

Why do LEGO sets have age ratings? [closed]

If LEGO toys are dangerous, and the box says "ages 10 and up" and "do not let children 3 or down see it
2
votes
1answer
151 views

Differences between EV3 Gyro and Hitechnic Gyro

I understand that the Hitechnic Gyro was made for NXT but are there any advantages of using it over the normal lego gyro in EV3??
9
votes
2answers
2k views

How does LEGO handle the breakage of Hero Factory sockets?

My son has a slowly growing collection of Hero Factory figures, and they have accumulated a consistent problem: socket connector cracking. The tips of the angular part of the limb which connects to a ...
5
votes
4answers
720 views

Why are some seemingly simple sets, so expensive?

My son has fallen in love with the Lego City series. Alas, I let him watch a YouTube from the video game, and as we look to reward good behavior with reasonable sets, we are seeing very odd price ...
13
votes
3answers
2k views

Are there any great LEGO designers that are well-known?

I know that many designers work for LEGO but I was wondering if there was some 'Star Designers' that we should know by name. Of course, I would also like to know what they are famous for.
2
votes
1answer
422 views

Programming The Lego Mindstorms T-Rex from EV3 Laboratory

I bought the book The Lego Mindstorms EV3 Laboratory fron Daniele Benedettelli. I buid the T-Rex chapter 15 and when I tried to programming the T-Rex (chapter 16) I have a problem. I'm not able to ...
3
votes
3answers
230 views

Unidenitified Lego set

Can anyone assist me to identify this set of Lego. It's probably from between three to eight years old. I found the pieces but no instructions. I'm not sure if the orange pieces in the bottom right ...
28
votes
15answers
33k views

LEGO cleaning techniques and tools

Previously I've used toothbrushes but maybe these would eventually scratch the surface? What have you used? And was it easy? As well as cleaning, what about drying and buffing? Anyone tried polishing ...
1
vote
0answers
43 views

Is there any way to find misplaced bricks in LEGO NXT Programming?

I am working on a Mindstorms NXT project. Due to annoying bug (cannot find terminal hotpoint thingy) I can't delete a specific block, and if I do so, part of the program will be cut off from the main ...
11
votes
1answer
1k views

What is this black brick with red tubes inside?

In an old plastic bag with heterogeneous Lego bricks, I found three or four like this. I can't recognise them: does anybody know what they are? In which set(s) were they used? What for? A few more ...
12
votes
4answers
1k views

How to unplug black friction pin connectors

Black friction pin without slots connectors are common in older Technic sets. Note that these were quickly replaced by the current version with slots that is much easier to remove. vs Especially ...
4
votes
1answer
107 views

What are the various LEGO motors that have been produced over the years?

RCX, NXT, WeDO, EV3, Technic etc. How many different motors have been released over the years??
7
votes
2answers
1k views

Is this Lego original?

I found this lego piece in a second-hand Lego stock. I have never seen a brick like this, and I can't even find the LEGO write on it. Is this Lego brick original, maybe vintage or some kind of ...
3
votes
4answers
188 views

Is there a LEGO podcast?

I have tried to find a podcast about LEGO but haven't found any currently active. There seems to be some old ones out there with a couple of episodes, but nothing new that I could find. Anyone knows ...
4
votes
1answer
74 views

How can I extract part id or design id from a photo?

Is there any software/site that tells me which LEGO parts exist in a photo? I would love to get a csv of parts from a photo.
4
votes
2answers
548 views

What is the quality of lego replicas on Aliexpress?

Aliexpress is full of lego replicas, does anyone bought them, and can say something about it's build quality? Example products: http://bit.ly/1Ls3jsg I'm sure it shouldn't be stored together with ...
3
votes
1answer
154 views

Lego Micropolis tutorials?

I love the Micropolis cities (http://twinlug.com/micropolis-micro-city-standard/) and would like to try to build something myself. Does anyone know good resources for learning to build according to ...
3
votes
2answers
181 views

Lego EV3 - Get output device type, opOUTPUT_GET_TYPE

I would like to know what kind of motor (XL, L) is connected to EV3 output port (A|B|C|D). I need to use direct command: Instruction opOutput_Get_Type (LAYER, NO, *TYPE) Opcode ...
1
vote
0answers
30 views

EV3 Programme won't load to brick

I have installed EV3 on my PC and am trying to load a program into an NXT 1 Brick. When I click the down load button on the EV3 screen the Brick beeps twice and the program does not load. What am I ...

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