# All Questions

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### Which LEGO Technic sets include instructions to add the Power Functions accessory box?

Some LEGO Technic sets apparently come with instructions to add a motor, using the pieces from the Power Function Accessory Box (set 8293). Is there a list of the sets which do contain such ...
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### When was the first official use of the term 'minifigure' or 'minifig'?

When did The LEGO Group first use the term minifigure? Have they been called that since their introduction in 1978? Similar to this question: Why are they called "minifigs?"
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### Fix for monorail sticking at monoswitch?

I recently acquired an old monorail set, and I'm having problems getting it to work properly. It works fine on normal track, and it is able to continue on or stop at a monoswitch when the switch is ...
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### Remote Control option NXT Mindstorms

I bought the NXT Mindstorms education software v2.1 along with a Mindstorms kit (which I don't know the version of). I am trying to remote control a robot I made using bluetooth between my mac and ...
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### Lego Mindstorm NXT cannot connect via bluetooth

I have an NXT mindstorm brick, running RobotC firmware. I am trying to connect to it, via bluetooth. At first, the problem was that I had the motorola drivers instead of ones from microsoft. Even ...
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### NXT brick output ports not working properly

My NXT brick will not let motors run. When I download a program the motor will move forward and backward and then stop - sort of a wiggle. Another motor will not work at all. This happens for all ...
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### What IR Codes are the Power Function remotes sending to the receiver?

The PF IR Speed Remote Control (the train one) is "7 speeds" but as I turn the dial to make it go faster it's hard to tell what speed it's at. I wonder if I could setup my programmable remote so that ...
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### Which BIONICLE combiner sets do official instructions exist for creating?

There is a diversity of BIONICLE combiner sets (sets made by combining multiple individual sets together) for various groups including Toa, Matoran, Bohrok, Rahkshi, Dark Hunters, and a number of Rahi ...
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### What is the maximum distance between fixed train wheels?

I'm working on a train, and I'm curious what the maximum distance is between fixed wheel sets in order to properly navigate all of the different types of track (straight, curved, switch, flex, etc). ...
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### How to program two NXT motors to run at the same time?

I'm working on a project with multiple axis of movement… trying to get two motors to run at the same time in order to achieve a mix of two!
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### EV3 as master and NXT2 as slave?

Will it be possible to daisy chain a NXT brick as a slave of a new EV3 brick ?
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### Can anyone help me identify the motor/mechanism used in this?

I've been trying to recreate the Useless Machine found here: http://www.youtube.com/watch?v=QdKtgfmfA7s&feature=c4-overview&playnext=1&list=TLp4R5S7LPESk In the description, there's a ...
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### 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 ...
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### How can I make a Lego heroica scale gladiator arena?

Sorry all my questions are about heroica, but this needs to be easy so that I can build in a few mins. I will make gladiator micro figures as well, if someone can make a Lion too!
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### Is it possible to display large text on an NXT using LabVIEW?

In RoboLab and using RobotC, it's possible to write LARGE text to the screen of the NXT. In RoboLab, this can be done by just typing [\big] at the beginning of a string constant which is wired into a ...
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Could someone please provide a download link? It seems that all traces of the program has disappeared from the internet, and I need this to get my robot moving wirelessly. Any help would be greatly ...
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### What are the torque limits of gears?

I am using Lego in the classroom to introduce students to geared machines. As part of this I am asking them to design a winch, using a small 1.5V DC motor and a collection of the common Lego gears, ...