0
votes
1answer
11 views

I just purchased a used lego studios set and had some extra pieces that don't belong.

Can anyone tell me what set they might be from? http://i1088.photobucket.com/albums/i322/Kayla102968/IMG_3799_zpsrr1zy7di.jpg backside: ...
0
votes
0answers
8 views

How to enter wifi-password on ev3dev?

After successfully installing ev3dev and getting the USB connection working I now want to get my wifi-dongle working (or rather connecting). The dongle is successfully found and my LAN is displayed. ...
-1
votes
0answers
21 views

Lego Nxt Mindstorm 2.0 C# programming visual Representation on the PC

I am working on a project where I must program an NXT 2.0 robot to navigate through a tunnel and produce a visual representation on a PC! Any ideas how to do that? I am using C# and I'm connected ...
2
votes
0answers
24 views

Where does the EV3 software store its crash reports?

I cannot find where the crash reports generated by my EV3 software are stored. I have looked where it tells me to, but I can't find any.
1
vote
1answer
32 views

Chima Speedorz game — how to play?

Lego Chima Speedorz sets include cryptic instructions on how to play the game, but I'm unable to fully understand them. I'm looking for a comprehensive answer or guide that details the game rules.
0
votes
1answer
31 views

Identify brick with internal battery, light and sound

I just bought a bulk lot of second-hand bricks and found this odd one inside. It has a black panel on one side and when pressed it plays a screeching sound. Through the transparent purple top I can ...
0
votes
0answers
22 views

What causes the NXT Error 1055 in LabVIEW?

The NXT device won't work. I made a program that is an move forward unlimited, and it only rotates the right wheel a tiny bit, before it stops. I tried replacing motors, replugging in cords but ...
0
votes
0answers
21 views

LEGO Technic Interface A

A few days ago, a friend offered me one set 9750 LEGO Technic Interface A with the Interface Card and Cable (IBM compatible) but without software. Can someone share the installation software (LEGO ...
0
votes
1answer
101 views

Where is this turban headpiece from?

Where is this turban headpiece from?
1
vote
2answers
48 views

What is the best way to create an authentic weatherboard wall?

I am working on a house where I want to create a weatherboard look for the outside walls. I'm not certain the best way to go about this. Currently I'm using the horizontal side of a 1x2 profile ...
2
votes
2answers
65 views

Brick labels to be printed

I am new to the LEGO "business". But I am building up my inventory, getting close to 100.000 pieces now, and before shooting off, I want to have my "system" organized. That also includes print off ...
2
votes
1answer
47 views

How to Download my orders from Bricklink

I know you can log in to Bricklink and download my orders as Excel or many other formats, but I am trying to do it programmatically. Does any one know how to do this though Powershell perhaps?
1
vote
1answer
34 views

What RGB-values do I get from the colorsensor

I have the extra colorsensorblock used by mindcuber - ColorSensorRGB - installed. Now I'm trying to use it in my own projct. But what values does it produce? It seems like it has a min-value of 0 (as ...
1
vote
1answer
31 views

Absolute Turning Motor in NXC

How can I turn my motor to 123 degrees, not for 123 degrees? I tried the PosRegSetAngle("output", "angle") command and didn't work. Documentation for PosRegSetAngle
5
votes
1answer
148 views

Is my Lego Star Wars “Jabba's Sail Barge” set a one of a kind?

Back in 2006 or 2007 I bought a Lego Star Wars "Jabba's Sail Barge" set. When I opened it and took out the instructions, it had an additional piece of paper. It showed that the piece 4299023 had been ...
2
votes
1answer
95 views

How do you eliminate the gap between castle doors?

I'm building a MOC castle and want to use a pair of 1x5x7 and 1/2 stockade doors. My problem: I can't get the doors to fit flush. Either there's a 1/8 to 1/4 inch gap between them, or they overlap. ...
4
votes
1answer
59 views

Software to help inventory set

Are there any software applications to help check the inventory of a lego set? Currently I load the set-up as a bricklink wanted list and then delete each part one by one until I have only the ...
1
vote
1answer
43 views

Access WeDo on OS X from a real programming language

I'm trying to talk to the WeDo USB interface from Python or really any real programming language. I tried the clever WeDoMore library, but can't get it to bind the WeDo. I think this is because the ...
1
vote
2answers
32 views

Which wheels are suitable for Power Functions M-Motor

I'm attempting to build a small self-propelled LEGO robot. Initially I was attempting to use some cheap DC hobby motors but I spent a lot of time trying to attach LEGO wheels to the motor's 3mm ...
3
votes
0answers
70 views

How much does an average LEGO brick cost to produce?

I know that LEGO bricks approximately sell for 10 cents per piece but what does it cost to make an average brick?
3
votes
1answer
144 views

Does knolling help or is it just part of the fun?

When building a new set, many people knoll their LEGO bricks before beginning the assembly. My question is: Is there a actual advantage to knolling all the pieces or is it only a way to stretch the ...
2
votes
2answers
78 views

Could I do datalogging in Mindstorms EV3 Home edition?

Apparently datalogging is an integrated part of the educational EV3 software. But I got the Home edition. Is there some module or thing I can use to get datalogging functionality in my Home edition? ...
5
votes
1answer
43 views

What is NXT-G number format?

We've been following this tutorial to connect a NXT 1.0 brick to a PC via Bluetooth. We've been able to set up the communication, send and receive data in ASCII format. However, whenever we try to ...
3
votes
2answers
51 views

Is there a list of giveaway sets from Toys R Us or other events?

Toys R Us frequently has giveaway sets called "Make and Take", where kids are invited to come in, build a set and then take it home for free. This is similar to the Lego Brand Retail store Monthly ...
0
votes
1answer
86 views

Do you use the plastic buckets for purposes other than organizing your bricks?

We have several bucket sets like #5560. Now that our collection is growing, it's becoming harder to find what we need in the buckets even though we have them sorted by color. Plus they are in a ...
1
vote
1answer
57 views

Can I identify the colour of objects 5mm in diamater with an EV3 Colour sensor?

My plan was to make a simple robot to sort beads like this:. Its the Hama Medium size beads, they have a diameter of 5mm so they are fairly small. After some testing, reading and asking here I figured ...
1
vote
0answers
28 views

Block Platform parameter is not instanciated

I used Simulink to write a program for LEGO Midstorms NXT. I can post the design if needed. The problem is that when I want to run it on hardware, it gives the following error: Lego mindstorms NXT ...
13
votes
2answers
4k views

What is this Lego piece - Yellow with handles and an octagonal section?

It clearly says Lego on it, but I have no idea what it is. The only number inside is 4-01.
5
votes
1answer
245 views

How to get good color readings from the color sensor?

What type of setup is needed to get good color readings from the Mindstorms EV3 color sensor: Shape of object? Size of object? Distance to object? Color of background?
3
votes
1answer
198 views

Need help identifying extra large Lego figure from 2003

I came across these LEGO figures at an estate sale and have had no luck trying to find out what they are called. They are much larger than a regular minifig but have a shaped foot plate to attach to ...
2
votes
1answer
39 views

How to import an unofficial parts archive into LDraw?

I recently created a basic EV3 robot in Lego Digital Designer and exported it as a LDraw file. When I opened the LDView file, the EV3 elements were missing. I then proceeded to download an unofficial ...
3
votes
1answer
64 views

Custom EV3 Block: “Unable to compile…” (“string subsection”)

I am attempting to make a custom block according to the EV3 Block Developer kit (found here). I was able to create a simple block that returns the length of a string. This is what it looks like: (The ...
1
vote
1answer
50 views

How would I make a decal for a 2x2 dome brick or a 2x2 round slope brick?

I am looking to make a decal for a custom droid using either the R5-series head or the regular dome R2/R3/R6/R7/R8 head. However, I do not know the process for creating droids. Does anybody know how?
4
votes
1answer
82 views

How large is the face of a 2x2 45º brick?

I am attempting to make a decal for a roof tile, sort of like the computer face on certain bricks of the type. However, as there appears to be no template, how large is the face of a 2x2 45º brick?
2
votes
2answers
84 views

NXT Motors curving to the right

The NXT motors have been curving to the right by about 10-20 degrees. We have checked the program, no curves. We have checked the wiring, but it is also plugged in fine.
2
votes
1answer
53 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 ...
1
vote
0answers
41 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 ...
9
votes
1answer
149 views

Trains overview image

I'm looking for an overview image of all trains ever released by LEGO. With trains I mean train sets containing locomotives and wagons that run on train tracks. There is a beautiful image from Jeroen ...
1
vote
0answers
70 views

Why are there only four elemental artefacts? [closed]

What I mean by this is that there are only 4 golden weapons (Fire, lightning, earth and ice), 4 elemental weapons (the same elements), 4 elemental forges (the same ones) 4 obsidian weapons (again!). ...
1
vote
0answers
42 views

RCX + java + usb-to-serial

I am trying to get an old RCX working with leJOS. I already have it working with NQC and BricxCC. While NCQ/BricxCC seems to recognize my usb-to-serial (which appears as "COM5" to the OS), the leJOS ...
1
vote
1answer
124 views

What Lego set does this belong to?

I want to find which LEGO set this unusual piece belongs to. I have 10? I have a few sets from the late 1980's and the rest are from the 1990's. I have looked and looked. Hope you can help! It ...
0
votes
0answers
63 views

RGB To HSL Algorithm? [migrated]

I have seen many algorithms and formulas for converting RGB data to HSL but none were successful. So where can I get few algorithms/formulas for converting.
1
vote
1answer
41 views

Lego RCX hardware schematic

Where can I find the hardware schematic for the Lego RCX brick? I spend a lot of time but unfortunately didn't find any useful information.
0
votes
1answer
112 views

Raw RGB data to Color?

I'm trying to convert the raw RGB values from a Colour Sensor into HSL but it doesn't seem to be working: R = rgbn[INPUT_RED]; G = rgbn[INPUT_GREEN]; B = rgbn[INPUT_BLUE]; var_R = ( R/255 ); var_G = ...
1
vote
1answer
156 views

Identifying Lego set from 1980's

Can someone please help me identify this Lego set from the 1980's? I remember building a house, work shed/garage and some type of vehicle. The base plate is light gray. It came with 2 minifigures, ...
0
votes
2answers
89 views

Programming NXT color sensor with NXC?

I am programing Lego Mindstorms NXT 2.0 color sensor in BricxCC. I already have RGB data with the command ReadSensorColorRaw. I heard that it is easier to get the colour from HSL format. I've tried a ...
4
votes
1answer
45 views

Can I share/download a wishlist on Bricklink?

I have a whole set in a wishlist in Bricklink and I would like to share it with some friends. Can I either: Share the list via Bricklink so they can use it directly. Download it in XML so they can ...
2
votes
2answers
130 views

What's the circle piece in this MOC?

I saw a moc from here. But have no idea what the piece it use on the arms of the robot, and on the guns.
0
votes
1answer
37 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 ...
1
vote
1answer
67 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 ...

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