4
votes
2answers
333 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 ...
2
votes
1answer
436 views

What are the dimensions of LEGO 10221 Super Star Destroyer?

What is the length, width, and height of the 10221 Super Star Destroyer set, fully built, including its stand? I'm trying to make a display case for one.
1
vote
1answer
188 views

The program downloaded from the education ev3 programming software has a error “VM program validation”

I cannot run the program from the ev3 software.It only shows "VM program validiation" How do I stop this from happening?
1
vote
1answer
175 views

How to connect chain links to the axle

In my project I want append two 21 chain links to the axle 12. Is this any axle connector with knob ending?
4
votes
2answers
394 views

Is there a microphone that works with Mindstorms EV3?

I'm planning to program my EV3 robot to do voice chat over VOIP using ev3dev and a Debian program. Is this possible? Are there microphones known to work with EV3, and has anyone had experience using ...
2
votes
2answers
2k views

What is LEGO Junior?

Are LEGO Junior bricks bigger than regular LEGO? I can't decide between Junior LEGO and Duplo for my son who is just over 3. I had thought the Junior sets might constitute a happy medium, but am now ...
1
vote
1answer
143 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 ...
2
votes
1answer
93 views

lego or duplo ringing doorbell

Does anyone know if this piece can be found anywhere or what it is called? My kids had a ringing doorbell appox 28 to 30 years ago, where you push down a red button that sits on top of a curved ...
1
vote
1answer
106 views

What pieces are used to create this Djembe MOC?

I sent an E-mail to the creator but haven't heard back. Any thoughts on the part numbers on the Lego djembe? Trying to build one for Christmas gift :-)
8
votes
2answers
718 views

Which resolution is necessary to print bricks with a 3D printer?

I would like to print LEGO compatible figures. Which resolution is required for the 3D print in order to firmly fix the figures on LEGO bricks?
10
votes
3answers
4k views

Is it possible to build Lego bricks with a makerbot replicator 3D print?

Is it possible for plates, tiles or small pieces ? Is it possible to use MLCAD with a Makerbot replicator?
4
votes
1answer
256 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 ...
1
vote
2answers
176 views

Reading current motor speed, opOutput_Read

I'm trying to read current motor speed using direct command: Instruction opOutput_Read (LAYER, NO, *SPEED, *TACHO) Opcode 0xA8 Arguments (Data8) LAYER – Specify chain ...
1
vote
1answer
111 views

Parts/Step not fitting ( technic / gear not aligning)

working on Lego Technic; Recovery truck. Reached Step 27(book 1)....fixing the rope spool. and found that the white gear wheel is not fitting in. i.e., i have the white gear fixed on the shaft with ...
0
votes
1answer
201 views

Why I get this “message unable to compile some documents for deployment ev3”?

I have a LEGO Mindstorms EV3 program that I was working on for a long time but recently and suddenly when I try to download the program the software displays the following message: "unable to ...
0
votes
1answer
106 views

Mega blok vs lego bases [duplicate]

Are mega bloks compatible with the lego bases? Do they sell a larger lego bases for them? I am making a table but want to use the correct base.
4
votes
1answer
142 views

What was the slot for in the 1950's slotted bricks?

Bricklink has a list of ancient bricks from the 50s that have slots in them. What was the purpose of the slot? Its positioning on various pieces suggests that there was something specific you were ...
1
vote
1answer
89 views

Looking for information on a Lego manual I had as a kid

I had a lot of Lego when I was younger (late 80s/90s), and in a flash of nostalgia I recently remembered having a great instructions/ideas book which I loved to ready through - I can't remember the ...
2
votes
2answers
162 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 ...
2
votes
2answers
102 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
124 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 ...
2
votes
3answers
796 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 ...
3
votes
1answer
111 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 ...
1
vote
3answers
743 views

Are NXT Light sensors compatible with EV3?

I would like to use the NXT light sensors my EV3 brick. I don't have enough light sensors as I need 2 for each robot (per set) and it only comes with one. However, I have a lot of NXT sensors. Will ...
5
votes
2answers
795 views

Is the PWM on the PF Servo motor different than the PWM from an Arduino?

I have a Arduino motor shield connected to XL, L and M motors and can control the speed with PWM (Pulse Width Modulation). I made my own connector by cutting a Lego PF connector in half and wiring up ...
15
votes
3answers
5k views

What is LUGBULK?

I have heard that LEGO have (or had) a programme called LUGBULK whereby clubs can purchase bulk lots of LEGO components direct fom LEGO. Is that true? If so, is it economical and how can I get ...
22
votes
5answers
6k views

What is the largest single LEGO piece?

What is the largest single LEGO piece ever produced? This does not include LEGO affiliates like Duplo. Clarifications It must be a purchasable block. By largest, I mean largest by Volume/Weight of ...
6
votes
4answers
6k views

How to use Power Functions with Mindstorms EV3?

Having learned that Mindstorms EV3 doesn't work directly with Power Functions, Q: Can you use Power Functions motors with the EV3 programmable brick? A: No, the connector does not match. I ...
4
votes
2answers
363 views

Help identifying Lego Set from bags!

I visited Toyrus in Paris recently and bought several lego sets for my son. Mostly, Star Wars sets. In each case, we brought the manuals and the cardboard boxes so that he could assemble them. ...
0
votes
0answers
34 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
90 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 ...
1
vote
1answer
188 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
165 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?
0
votes
0answers
25 views

Programming sensor to follow light [duplicate]

Cannot get sensor to follow light on other moving robot.
2
votes
1answer
135 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, ...
1
vote
1answer
80 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 ...
4
votes
1answer
158 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
votes
3answers
216 views

Will they ever make LEGO The Amazing Spider-man 2 sets? [closed]

I realized that they released an exclusive minifigure of The Amazing Spider-Man 2 in the San Diego Comic Con but I am still wondering if they will ever make LEGO set(s) based on the movie.
1
vote
1answer
112 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 ...
2
votes
2answers
385 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 ...
3
votes
1answer
163 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 ...
5
votes
2answers
322 views

Help identify mystery piece and set it could go to

More mystery parts from the bags of LEGO pieces we bought. I can't find a LEGO symbol on it. Is it a LEGO part or some other brand?
2
votes
1answer
149 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
3
votes
2answers
266 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.
0
votes
2answers
61 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 ...
15
votes
7answers
37k views

What is considered the most valuable LEGO set?

Which Lego set is considered to be the most valuable set to own? I'm not talking about the most expensive set, and clearly it has to be out of production already, but when trying to collect complete ...
3
votes
1answer
197 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. ...
1
vote
1answer
2k views

EV3 brick cannot connect my to computer

I can't connect my brick to my computer. It keeps saying it can't communicate with the brick. My brick has no firmware. My friend said to change the USB cable but it still doesn't work. I can't ...
0
votes
4answers
214 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 ...
3
votes
1answer
273 views

Large Lego Minifig Styles

I'm pretty sure the lego figure on the right is the daughter from a 1977 set Nurse and Child. But what about this style of jumbo minifig on the left with arms and legs that bend? When was that from? ...

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