5
votes
2answers
834 views

Does the PF Servo motor return to center?

Does the PF Servo motor, which was introduced in the 9398: 4x4 Crawler model, have return to center feature?
5
votes
2answers
167 views

Is it possible to create a differential if I don't have it as a ready to use element?

I have numerous gears, axis and other elements from different Lego Technic sets. I wonder if using them I can make a kind of a differential like this? If not, how can I implement similar ...
5
votes
1answer
339 views

Lego plate with square holes?

I have some white plates with square holes on the underside. I'd almost think they were some imitation brand if they didn't have lego stamped on the studs. Can anyone tell me the history of when ...
5
votes
1answer
3k views

How can I upgrade the firmware of an RCX 1.0 to an RCX 2.0?

I have an RCX 1.0 set from 1998 and I would like to upgrade the RCX 1.0 to RCX 2.0. Can this be done? Exactly how would I obtain a firmware file and load it? I do have access to the Bricxx Command ...
5
votes
1answer
242 views

Is there a web service showing me the LEGO set with the most parts?

I'm interested in a challenge building a set with very much parts. I thought of the Unimog U400. But is there a webservice, where the sets are sorted by number of parts?
5
votes
1answer
434 views

Bricklink - how to minimize number of merchants for given set of requested bricks?

This question should be answered in Bricklink FAQ, but I didn't find answer there. I'm a casual Lego hobbyist, I have a few sets with random pieces missing, about two dozens of them. Some are trurly ...
5
votes
2answers
544 views

How do I create manuals in the same style as Lego instruction manuals? [duplicate]

Possible Duplicate: Do any programs exist that allow you to build your own LEGO manuals? I want to create my own manuals, but I want them to look and feel like actual Lego instruction ...
5
votes
2answers
1k views

Is there any way to buy specific duplo blocks from Lego (pick-a-brick style and/or in bulk)?

I'm brand new to this site, so please bear with me... I've used the search function with no luck, trying to find similar questions that have already been asked, and I've skimmed all the ...
5
votes
1answer
242 views

Will using a bright LED to light my MOC harm my LEGO?

I'm building a LEGO model and planning on lighting it with a bank of 5 battery operated LEDs. I know sunlight negatively affects several LEGO colors. Will a bright LED harm the elements in my MOC the ...
5
votes
2answers
250 views

Is there an organization who repackages old LEGO bricks into sets to give to underprivileged children?

Does Lego have a program by which we can return old LEGO parts so they can be reassembled into packages for underprivileged kids? My kids, and now grandkids, have always played with LEGO bricks and I ...
5
votes
1answer
193 views

Electric, Plug Holder 4.5V/12V what is it for?

I have seen the Electric, Plug Holder 4.5V/12V on bricklink a few times and have often wondered what it is for. According to Bricklink, it was only ever produced in Light Gray and appeared in 3 ...
5
votes
1answer
367 views

How to improve the range of an IR receiver?

I am creating a new Truck which contains two IR receivers in the front hood. With my testing I get a range of about 6 feet (I have also noticed the small Technic motors on the IR receiver are slow ...
5
votes
1answer
550 views

Are there LEGO sets designed for adults?

Other than the LEGO Architecture sets are there any other sets or series that were designed principally for an adult audience?
5
votes
4answers
5k views

RCX firmware download problem

I hope someone can help me with a problem with getting an original RCX 1.0 system working with a current PC. I bought the RCX 1.0 system back in (I think) 2000 but its been in storage a long time. In ...
5
votes
1answer
302 views

Are the older (hollow underneath) brick elements considered “collectable”?

I know. I know. All LEGO elements are collectable. I mean are the older, tubeless bricks valued above and beyond the fact that they are still viable pieces to build with?
5
votes
1answer
481 views

Are there LDraw files for the standard Heroica components?

I'm using MLCAD to design and polish some Heroica maps. As I go I've made various LDraw files for the common map components (6x6 tiles with 4 spaces, 4x1 hallways, etc.) as well as some aliases for ...
5
votes
2answers
447 views

Can I change the firmware on a Retail EV3 Intelligent brick to the Educational version?

The LEGO Mindstorms EV3 comes in both educational and retail versions. The educational version differs in bricks, sensors, a rechargable battery and datalogging capability. I would like to know can I ...
5
votes
2answers
261 views

Where I can find the pieces needed in a set?

I own this set, LEGO® Kingdoms King's Castle 7946. One day I let my wife's best friend's kids play with it. (Not the best idea in the world but they had a blast!) Needless to say, the castle ...
5
votes
1answer
163 views

How to use NXT device as a keyboard key for computer

Is there any way for me to set up my Mindstorms robot so that when I push one of the touch sensors it sends a signal to the computer to press a key?
5
votes
2answers
394 views

What is the best way to transport a large quantity of LEGO bricks?

I have a decently sized collection (thousands of bricks/hundreds of sets/a bunch of bins) from my childhood, but they're all at my parents' house. I live in the US and a couple states away from my ...
5
votes
2answers
552 views

What colors does the NXT Color Sensor support?

Quick question, what colors does the NXT color sensor support? Is it the entire rainbow or only specific colors?
5
votes
2answers
2k views

How many different types of Lego bricks have been produced?

I was curious and wondering: How many different types of Lego bricks have been produced since the start of the company in 1949?
5
votes
1answer
395 views

Which buildings were based on sets in the LEGO Island video game?

The Wikipedia article for Lego Island mentions 'Most of these buildings are based on real Lego sets in circulation at the time of release for the game.' I haven't played the game in a long time but ...
5
votes
1answer
127 views

What kind of activities can I expect to find at a LEGO Kids Fest?

There is a LEGO Kid's Fest coming to my community soon, but I noticed that the admission price is steep ($20.00 for each adult). What kind of activities can I expect for the kids? Link to LEGO Kids ...
5
votes
1answer
239 views

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 ...
5
votes
1answer
74 views

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?"
5
votes
1answer
234 views

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 ...
5
votes
2answers
437 views

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!
5
votes
2answers
3k views

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 ...
5
votes
2answers
3k views

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 ...
5
votes
1answer
383 views

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 ...
5
votes
1answer
952 views

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 ...
5
votes
1answer
981 views

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 ...
5
votes
1answer
199 views

Are these ATC bricks from the 1970's LEGO?

I have some Lego compatible basic bricks from early 1970s or late 1960s. Bought in Finland or maybe Germany or Sweden. Can anyone tell me more about them? As you can see, the interlocking mechanism ...
5
votes
2answers
430 views

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!
5
votes
1answer
442 views

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 ?
5
votes
1answer
135 views

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 ...
5
votes
1answer
152 views

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 ...
5
votes
1answer
243 views

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 ...
5
votes
1answer
992 views

Where can I download the Samantha Field Control System?

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 ...
5
votes
1answer
84 views

Fixing poorly applied stickers

Does anyone have any tricks to removing a sticker and reapplying, after a significant period of time? I recently purchased a lot of sets from 2000-2010 range, and the stickers look like they were ...
5
votes
1answer
353 views

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, ...
5
votes
2answers
244 views

Does the jumper plate have a Danish nickname?

Does the "jumper plate" (1×2 plate with centered stud) have a Danish nickname like the "Erling"? Who is the designer of this part? And does there exist a catalog of designers of specific bricks?
5
votes
1answer
190 views

Is there a documented process in 'Jamming' an NXT Ultrasonic sensor?

Just trying to gather a bit of information for a competition between a few other NXT builds, I was wondering if there was a way to make the ultrasonic sensor completely useless for the competition as ...
5
votes
0answers
78 views

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 ...
5
votes
1answer
598 views

How to make custom LEGO signs, newspapers, etc. [closed]

I have several ideas, but I am finding it hard to get started. What I am interested in is making my own decals for signs, newspapers, artwork for the walls and others. So far I haven't had any luck. ...
5
votes
0answers
412 views

Connecting to NXT Brick via Processing over Bluetooth

I am attempting to control my NXT model via the Processing programming language rather than the provided language based on LabView. When I can establish a connection over Bluetooth, this works rather ...
5
votes
0answers
181 views

PosRegEnable - How to change motor parameters?

I want to set PID parameters for a faster 'attack' when using PosRegEnablePID() on a motor. I am compiling with nbc/nxc 1.2.1 r4 mac osx fatbinary using -Z2 and -EF flags. But the compiler says: # ...
5
votes
1answer
285 views

When I connect my Samantha Module to my NXT, the NXT shows the wrench icon

When I connect my Samantha module to my NXT, it shows the wrench icon instead of the USB icon. I have tried updating the firmware, to no avail. The blue light does not turn on. It sees the WiFi ...
4
votes
2answers
279 views

How much does the Luke's Landspeeder (8092) weigh?

I am considering buying Luke's Landspeeder (8092). However, because I will be traveling soon, I would like to know the set's weight first. LEGO.com doesn't list the weight, only the piece count and ...

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