2
votes
3answers
30 views

Is there a 2x12 size Lego Brick?

I am designing a rather large Lego structure and I could swear that I have used 2x12 bricks (not plates) in purchased sets. I know there is a 2x12 plate in existence but don't see any bricks online ...
0
votes
2answers
21 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 ...
2
votes
2answers
45 views

Is there a LEGO clamping tool?

Sometimes we cannot easily attach 2 LEGO pieces. Is there a tool to help clamp together LEGO pieces that are very tight?
1
vote
1answer
50 views

Why is there no set with much RC Straight tracks?

after visiting many Lego events (brickmania, antwerpen, BE), I wish to expend my train layout much more than adding a box or two of 7499 ... Why does Lego didn't released a set with, for example 24 ...
0
votes
0answers
20 views

Dimensions for ev3 pieces

I need to know the dimensions of the ev3 pieces for a school project (in mm). Does anyone know?
2
votes
1answer
47 views

Part identification

Can you help me identify which part numbers these parts are? I can't find them on Lego's site or on brickset.com: Edit: I've found the two dark grey bricks in the left photo, so that just leaves ...
4
votes
2answers
54 views

LEGO Technic part Numbers

My daughter got the LEGO Technic - Service Truck set. When we looked at the instructions, we saw a different notation on parts. eg: the beams (cross beam) it has number 5 in white circle. what does ...
0
votes
0answers
20 views

After adding a MyBlock icon to the EV3 palette of MyBlock icons, how can the new icon be associated to an existing MyBlock?

After following the advice given in adding a MyBlock icon to the EV3 palette, can the icon be associated to an existing MyBlock? Something better than copy/paste the contents of the existing MyBlock ...
1
vote
1answer
30 views

Can additional MyBlock icons be added to the EV3 palette of icons available in the MyBlock builder?

I'm a big believer in using MyBlocks when using EV3. For FLL teams, every robot needs to move forward, backward, turn right, turn left, arm up, arm down. Even before a robot is built, those MyBlocks ...
0
votes
0answers
25 views

Programming sensor to follow light [duplicate]

Cannot get sensor to follow light on other moving robot.
2
votes
1answer
56 views

How can I wire up the LEGO 2838?

I would like to know how to hook up the LEGO 2838 9v motor. I understand that the Power Functions extension wire is compatible with the 9v system, but how on earth do I wire them up?
4
votes
1answer
61 views

Which is faster: M motor or XL motor?

I understand that the M motor has an adequate amount of speed, and the XL motor is best known for its torque. But is the XL motor really faster than the M motor? Or is it the other way around? I am ...
2
votes
3answers
63 views

Direct control of EV3

I need to control a car with an EV3 brick. I want to control it remotely. The trouble is, I'm using an education set so I don't have the remote. What means of controlling it remotely could I use? I ...
1
vote
1answer
23 views

Trouble with Commander app: Using buttons to control motors

I'm having trouble with the Commander app for Android. I've put an EV3 into set 8448. I'm using one of the large motors for propulsion and a medium motor for rack and pinion steering. I don't have the ...
1
vote
1answer
71 views

How to program light sensor to follow moving light using NXT

Cannot figure out how to simply program Lego Mindstorm NXT robot to follow another moving robot that has a bright LED light attached to it. Currently my programme looks like this:
2
votes
1answer
64 views

Trying to get a modified traffic signal challenge worked out

The challenge is for a robot to go around the perimeter of a rectangular field and execute 90 degree turns when it gets within 4.5 inches of a wall. Simultaneously, if the bot encounters a red flag, ...
0
votes
1answer
32 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 ...
3
votes
1answer
111 views

Help identifying a black round piece with three rings

I'm on a personal project to document the brick list for building every one of Chris Deck's Star Wars miniatures (http://sw.deckdesigns.de/minis.htm), and I'm unable to find in the Lego catalogue or ...
2
votes
1answer
101 views

Please help me identifying these spaceship parts - big sloping ring

Which lego set do these parts belong, I have a full box of random pieces, and I wish to build something starting from this. Thanks
2
votes
2answers
91 views

Looking for a Basic Lego set with mostly large bricks

I am looking to buy my son his first set of LEGO bricks (because my mom will not give me my old ones!!!). Most of the 650ish piece sets I have looked at contain a large amount of 1x2, 2x2, etc. I am ...
0
votes
2answers
47 views

Index of the City sets by category

I'm running trough bricklink, peeron and brickowl, but I can't find a "good" (I mean 'fitting my idea') index to browse across city sets. Is there a kind of list like vehicle cars trucks planes ...
4
votes
1answer
107 views

Are coloured bricks used by Set Designers recycled to make black bricks?

I heard on a podcast of the Adam Savage Project that the master builders (designers of 'sets' of LEGO) are allowed to use as many blocks as they need to design a certain set. All of the bricks they ...
1
vote
1answer
51 views

EV3 RMIregulatedMotor Regulation Problems

I have problem with regulation of the motor when I control EV3 with Bluetooth. Here is the code: RemoteEV3 ev3 = new RemoteEV3("10.0.1.1"); ev3.setDefault(); RMIRegulatedMotor leftMotor = ...
2
votes
1answer
138 views

How can I tell which LEGO minifigure I found?

I found a mini-figure on the the ground by a recycling bin. I want to figure out what set/collection he belongs to but can't find anything other than how to tell what you're getting in a blind bag. ...
2
votes
2answers
96 views

How can I prevent my train from derailing?

I have motorized the Constitution Chase train by putting a PF train motor into the coal car. I disassembled the rest of the cars, down to the car bed, and let my kids build whatever train cars they ...
1
vote
1answer
65 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 ...
4
votes
4answers
142 views

Can I build a faster LEGO train motor?

I was going over LEGO Power Functions train motors, and I was not satisfied with the speed. Speed seven is fast enough to derail the train on the curve, but not fast enough realistically. I am ...
3
votes
2answers
68 views

How do I make my logo/mascot into a custom LEGO model?

I operate an Indoor Playground & Cafe and would love to find out how to make my mascot/logo into a 4' custom LEGO sculpture. Any assistance appreciated! A bit of looking indicates that LDD will ...
3
votes
2answers
195 views

Can anyone identify these Bionicle sets?

Can anyone identify these Lego pieces? They were given to us in a bin of toys, and we cannot identify them. We know they're Lego, and have a 2002 date on them.
5
votes
1answer
114 views

Is it possible to create your own wheel?

After my other question, i pretty much have a bicycle design all planned. My problem now is with wheels. None of my LEGO wheels are big enough to work on a bike. And, the biggest ones are all pretty ...
2
votes
1answer
51 views

Unlimited engine option does not work

I work in a school and all my Lego NXT bricks have the same problem. Unlimited choice in the activation time engine does not work. The other functions (rotation, and second degree) are going well. So ...
1
vote
1answer
53 views

Lego EV3 - sending direct commands over RFCOMM Channel (Objective-C, Xcode)

I successfully open RFCOMM Channel to Lego EV3 brick with code: IOBluetoothDevice *device = [IOBluetoothDevice deviceWithAddressString:@"xxxxxxxxxxxx"]; IOBluetoothRFCOMMChannel *rfCommChannel; ...
2
votes
1answer
65 views

LEGO TECHNIC CyberMaster Software

I come again to ask a favor. Can someone share the installation CD in English of LT 8482 CyberMaster or where can I download the software in English??
0
votes
1answer
38 views

software for lego nxt 8527 [duplicate]

where can I get an updated software version for my lego nxt 8527? I bought my lego nxt some years ago and now that I want to use I can install the software on my current computer.
4
votes
1answer
152 views

Identifying Lego kits from unopened bags for library

I'm a librarian and we recently received one of the Junior Maker Lego kits that LEGO distributed to 15 libraries in each state. It's a wonderful kit and includes a lot of basic blocks along with many ...
0
votes
2answers
55 views

What kind of design is comparable to these programming concepts?

I understand this may sound like a weird question, but bear with me here, OK? I'm getting ready to teach some kids introductory computer programming. We're going to use Scratch, a drag-and-drop ...
3
votes
2answers
105 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 ...
3
votes
1answer
20 views

NXT brick not executing programs correctly

I have an issue that I am hoping someone might be able to resolve: We're using Mindstorms in the classroom as part of a STEM program and have one NXT brick that wont execute programs correctly. The ...
3
votes
2answers
49 views

Gearing down a PF XL

I'm looking for the best way to gear down a Power Function XL. I need to achieve a very slow output RPM (less than 1-2 RPM). I've tried a 625:1 gear (trough 40:8 gear). Can someone link to a well ...
3
votes
2answers
109 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?
3
votes
1answer
654 views

What are these bricks with filled interior and holes/tubes going through?

I recently bought at haul and found a bunch of these regular sized bricks. Can anyone identify the for me? They are 2x4 bricks, but with holes in the side of the bricks: From: ...
0
votes
4answers
105 views

What adhesive can bond LEGO bricks to metal?

The Scouts are making some Christmas decorations using LEGO, and we need to stick them on to some metal stands. Could anyone please advise the best glues and process (e.g. sanding, etc.) to join ...
2
votes
1answer
47 views

Lego EV3 doesn't respond to direct command

I tried to execute command (via bt) play tone: play_tone = '\x0F\x00\x00\x00\x80\x00\x00\x94\x01\x81\x02\x82\xE8\x03\x82\xE8\x03' # send commands to EV3 via bluetooth with ...
5
votes
2answers
265 views

Any way to create a gear+chain, like for a bike?

I would like to create a LEGO bike. I can imagine how most of it would work, but i'm stuck at the chain. I need a way for the turning pedals (at one spot) to cause the wheel (in the back) to spin ...
5
votes
4answers
115 views

Removable glue for LEGO models

I want to glue my 4-year-old's LEGO bricks, but I want to be able to remove the glue when he is older. What is the best glue to use that is removable and okay to use on LEGO bricks?
4
votes
1answer
61 views

What are the curve radii for the curved slope pieces?

Does anyone have a table with the curve radii for the curved slope pieces? If not, does anyone have a good idea for measuring a third point on the curve? Since I know the front and the back ...
3
votes
3answers
414 views

Is the LEGO Midstorms EV3 software compatible with OS X yosemite?

OS X Yosemite (10.10) was just released yesterday. I want to upgrade, but I am worried that the EV3 software will be incompatible. What should I do? A. Upgrade B. Stay on OS X Mavericks (10.9)
8
votes
1answer
735 views

Can I pitch an idea to LEGO?

How would I contact LEGO about an idea for some kits to be built and sold? I have designs for simple kits that I have built for my son that I think would be very popular.
3
votes
2answers
149 views

What are the largest LEGO® Power train sets available commercially?

What set(s) are the largest by number of pieces? These sets could be retired or existing. I am also curious what set(s) have the most rails pieces included.
2
votes
1answer
81 views

How make robot turning going straight?

I have been struggling with this function for a while. I want my robot to turn left until it detects black then turn right until it hits black again. Then, I will divide the angle in half and call ...

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