LEGO® Answers Stack Exchange
LEGO® Answers Stack Exchange

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1500 questions
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votes
1 answer

Tips for hair loss problem in HeartLake world?

Is there anything to do to prevent the rubber hairs (or hats) from leaving Stephanie's head? In my opinion, hairs and head stuffs for Friends don't stay in place as well as they do in the minifig's world. My daughter is fed up with those girls with…
Overnuts
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How can I control nxt 2.0 robot with a Wiimote in labview?

I am building a robot with Labview for LEGO Mindstorms and I have wanted to hook up the robot to move based on a Wiimote or Wii remote. However, I have not found a file to download to enable me to do so. Does anyone have any free files that they…
Anthony
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8
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1 answer

How does the Super Awesome Micro Project work?

I've recently read an article about a car which is made entirely of LEGO and it runs on air. I'm curious about how it works. Can someone explain the details of it? Here is the car: These are all the details I have: Super Awesome Micro Project is:…
Adam Arold
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9 answers

LEGO ideas (with traditional bricks)

I would like to find a large catalog of LEGO designs/ideas that can be built with "traditional" LEGO bricks (both normal and DUPLO). I have found many nice designs in the web, but most of them require exotic pieces. I am interested more in a catalog…
Sergio
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8
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3 answers

NXT Brick will not update firmware (clicking brick syndrome)

I'm running 6 NXT robots in an introductory class. Occasionally we've had bricks that would not accept a program and I've reset the brick by pushing the reset button under the battery pack as well as pushing the button under the USB port,…
Rex McNown
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8
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1 answer

Is it safe to drink from Pick A Brick cups?

I have a habit of drinking from the Lego Pick A Brick cups. I sent an email to Lego to ask if they were rated safe for drinking from, and they refused to endorse any use of Lego products that wasn't originally intended. They did point out that the…
Windfire
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1 answer

Is it safe to try different firmwares on EV3?

I have prepared a SD card to run Lejos on EV3, as said on Lejos Sourceforge page and I'm about to test it. What worries me - will I still be able to go back to original Firmware if something goes wrong or I'd like to go back to this original Lego…
Jakub
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8
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3 answers

Is it possible to shrink down a wheel?

I have a tire 6581 which is stretched to the point it doesn't fit perfectly with the balloon designated for it, at one place it is kinda popped out. It is caused by my stretching it when I was younger for the sheer curiosity how much it can stand.…
Maurycy
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2 answers

How can I find out what parts are in a Lego set?

I am building an inventory of all my LEGO pieces and I am looking for a website that can give the pieces in a set with only the set number. It would be easier if there was information for many LEGO sets with the full inventory. I also will need to…
Hello World
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8
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2 answers

How can I transmit horizontal torque to vertical?

I have a setup where I have a step motor which I am attaching a gear onto. The motor will make the gear stand horizontal in a small vehicle. Is there any good gear combinations of LEGO gears that can transform the horizontal torque of the gear into…
bogen
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8
votes
1 answer

Power Functions battery box and receiver limits

What combination of motor/Receiver/battery boxes are possible/supported? example: 2x XL motors, 1x M Motor, 1 light using 1 receiver and 1 battery box.
user849169
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8
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1 answer

Is there a way to change the Lego NXT sensor polling frequency?

I am using LEGO NXT 2.0 with the native NXT flowchart-style programming environment, I would love to be able to poll the sensors more frequently. (In particular, it seems that the light sensor is polled very infrequently, only about once or twice…
Lego-wonderer
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8
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2 answers

Whatever happened to Architecture 21015 Eames House?

The set was scheduled to be released in 2012, no such luck. Any idea on why it never came out? Was looking forward to building it.
Cycoduck
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8
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2 answers

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 the two inner connectors to "pins" that are easy…
tooshel
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8
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1 answer

What is this strange and possibly old white 2x4 brick?

I've got 6 or 8 white 2x4 bricks. But they seem to be rather old as there is a "Pat. Pending" on it and also a "C5". They also have one small hole on each of its sides (but none on top) and the interior is transparent. Does anyone know from which…
Essi
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