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5
votes
1answer
539 views

How can I order an Ev3 gyro in Europe

I just bought the Ev3 kit, knowing that the gyro sensor is not included. I obviously want a gyro sensor, perhaps also the ultrasonic sensor. Is there any official channel to order them in Europe? All ...
5
votes
2answers
2k views

Return a robot to its start position?

I have a LEGO NXT robot, and after some movements I would like it to return back where it started. After some research, it looks like my best option is to revert the motors. To decode their movements ...
5
votes
1answer
123 views

LEGO color discrepancies and tint variations

While building my copy of set 21310 - Old Fishing Store, I noticed that there are several shades of Sand Green amongst the many tiles of this set. The picture below shows just the 1x4 tiles included ...
5
votes
1answer
784 views

Pneumatic set pistons getting sticky

My sons "9641 Pneumatics Add on Set" now suffers from stiction. How can this be fixed? Can it be cleaned? Is there a recommended lubricant?
5
votes
3answers
260 views

What is the easiest option to start making instructions?

I'd like to make instructions for my kids, which they could read either on paper or on a tablet. What is the easiest option to achieve that, ideally using open-source software (and running on Linux)?
5
votes
1answer
327 views

Apart from the LEGO brick, is there any other hardware that has an NXT firmware written for it?

I am trying to find out if you can upload LEGO NXT byte-code to any other hardware, so I am just checking to see if anyone has ever written the LEGO firmware for any other hardware. Maybe hardware ...
5
votes
1answer
1k views

What causes certain LEGO parts to yellow over time, and how can this be prevented?

I've noticed that certain LEGO colors have a tendency to turn yellow over time. For example, I have a set of 4 "white" wheel hubs that are all now various shades of yellow: I know there is already ...
5
votes
2answers
6k views

Programming the NXT brick using an ipad app

for the past few years, I have been using netbooks to program the NXT. I would like to move into the 21st century and use ipads. Is there an ipad app for programming the NXT brick?
5
votes
1answer
227 views

Is LEGO testing the market with the Minifigure Series?

I looks to me that LEGO is testing the market by using the Minifigure Series. It seems logical to try all kind of different themes and see which ones are gaining traction. For example: Minifigure ...
5
votes
1answer
319 views

Neutralize brick scent

I store some used Lego sets in household plastic boxes originally used for candy. I thought they were ideal, but now I found out the bricks have caught an unpleasant candy scent -- despite cleaning ...
5
votes
3answers
3k views

Where can I get RCX 1.0 software?

We've got a LEGO RCX 1.0 without any Software. I've installed the USB IR Tower, what should I do now? I've downloaded the EV3 Software from the LEGO homepage and thought I could use this, but I don't ...
5
votes
1answer
2k views

What is the best way to program Mindstorms EV3?

I'm just starting to use the LEGO Mindstorms EVE robot and I'm a bit hesitant which way to choose for programming: the official graphic software or any alternative (preferably the Linux based ev3dev)? ...
4
votes
1answer
108 views

What year did the minicon “micro BrickCon” first appear at “BrickCon”?

It seems like minicons (a minicon is a LEGO display consisting of minilander figures looking at miniland scale tables populated by microscale MOCs) are popping up everywhere lately. The last known ...
4
votes
3answers
309 views

How to get the Millennium Falcon 75192

Just like everybody else, I'd like to get the new 75192 set. Unfortunately, information about that is rather spotty. The lego shop website used to write "soon", currently it writes "unavailable". The ...
4
votes
1answer
1k views

When and why were pieces 3651 and 3652 discontinued?

Bricklink has piece 3651 as Axle and Pin Connector, while piece 3652 is Engine Piston Square 2x2. You could attach them to each other to form a piston. Service pack 5260, Connecting Rods and Stop ...
4
votes
1answer
5k views

BPA in older LEGO

I have some older DUPLO sets. I am concerned about the BPA that might be in them. Do any current sets of DUPLO or LEGO contain BPA? Did they in earlier sets?
4
votes
1answer
263 views

Is this a LEGO Friends set?

Got a bag with a lot of pink bricks. I think it is one of the LEGO Friends sets but don't know which set. Can anybody help me identify?
4
votes
1answer
9k views

EV3 Ultrasonic Sensor block is not availible in the Home Edition software

I can't find the ultrasonic sensor block on the programming app on my computer. I am using the Lego Mindstorms EV3 Home Edition.
4
votes
2answers
958 views

How to turn the NXT at an angle with NXC

How can I program, with NXC, a Lego NXT to turn a specific angle? I've tried using wait() but the problem isn't solved. Can I use RotateMotor()? What parameters should I use? For example if I want ...
4
votes
2answers
415 views

Where can I find LDraw files to download for basic figures?

I would like to have a collection of simple examples for my youngsters. Only for basic LEGO bricks. Not Technics or complex and complete space stations, just some step-by-step instructions for the ...
4
votes
1answer
184 views

3rd Party Light Kits

Does anyone have experience with any of the 3rd party lighting kit companies for sets? Do you have any information or stories about how these lighting kits work out in practice? These are the two ...
4
votes
2answers
633 views

What logos appear on Duplo brick studs?

Do all regular Duplo bricks have the word "Duplo" written on their studs? If not, what variations are there?
4
votes
0answers
110 views

Can you keep blocks clutched together in big chunks? Will blocks loose their “clutch power” after years of that kind of keeping? [duplicate]

I keep my blocks of same type in big assembled chunks, for easy building and finding bricks, but I am worried, is it safe for them or will they tend to lose strength in some time (years maybe)?
4
votes
2answers
679 views

What is the difference between these two Technic half bushings?

While randomly browsing some LEGO sites, I came across a weird (to me anyway) looking bushing. Its part 4265c. Below is one of the images describing it and the left one I recognize, but the right one ...
4
votes
1answer
396 views

Is there a standard distribution of minifigs when you purchase an entire case?

The last couple of times I purchased a case of collectable minifigures, each one had three complete sets (16 x 3), plus an extra 12 remainder of random minifigs. My last case I ordered only had two ...
4
votes
1answer
2k views

How to get double the speed from 2 regulated EV3 motors?

So I've noticed that if I connect two EV3 motors to one another (with gears), I still get exactly the same maximum speed as if I had a single motor. So, my question: how can I get twice the power/...
4
votes
3answers
4k views

EV3 Education Edition software license

I got a new EV3 education kit. Can I install it on a several computers or does the license work on one computer only?
3
votes
2answers
389 views

Can PoweredUp trains talk to multiple Bluetooth remotes?

According to this review of the new 60197 passenger train you can only have one Bluetooth thing talk to the new LEGO battery box at a time. The new Power Up system as it currently appears in this ...
3
votes
1answer
80 views

Anyone have the control block for the hitechnic color sensors?

I'm just wondering if anyone has a copy of the control block for the hitechnic color sensor v2? I'll take a v1 if you have that because I'm desperate at this point. The downloads page for it is down ...
3
votes
1answer
195 views

Is there any reason behind fancy bricks in invisible places?

In set 60080 there is a blue bick with pretty fancy shape. There are also hardly visible bricks in other places. Is there any reason? Why are these bricks used? Any official or semi-official ...
3
votes
2answers
249 views

My 9398 crawler going in reverse way

I built 9398 crawler set and everything seemed OK. However, when I moved the RC tumbler up, the crawler went back, and when I moved it down, the crawler went forward. On the battery box I saw ...
3
votes
1answer
2k views

Can I import existing Lego kits into Lego Digital Designer?

Is there any way to import existing lego kits into LDD (Lego Digital Designer)? For example, I like to have this set in the LDD and https://shop.lego.com/en-US/Compact-Tracked-Loader-42032 I know I ...
3
votes
1answer
634 views

Where to order custom mini-figs in Europe

General question is are there any custom Lego minifig online stores in Europe like there are many in the US ? In detail: My friends friend is getting married and she would like to surprise them with ...
3
votes
2answers
388 views

Obtaining LEGO blocks

In the olden days, it was possible to go to the hobby store and get a box of specific capability. Now adays, I basically see lego blocks sold as part of "action" sets. Question: Is it still ...
3
votes
2answers
499 views

I need information on LEGO part #3001 in Milky White with Sparkles

Have a 3001 part i have come across with a color i've never seen before. It seems to be a milky white but with glitter in it. New style logo with pip on short side. Any ideas to where it came from?
3
votes
1answer
700 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 ...
3
votes
2answers
821 views

Logging and performing mathmatical calc. during run?

Is it possible using the new EV3 to log data, and peform mathmatical calculation on the data while it's being logged, and peform some and thereby trigger some event if some value has been reached?? ...
3
votes
1answer
1k views

Programming The Lego Mindstorms T-Rex from EV3 Laboratory

I bought the book The Lego Mindstorms EV3 Laboratory fron Daniele Benedettelli. I buid the T-Rex chapter 15 and when I tried to programming the T-Rex (chapter 16) I have a problem. I'm not able to ...
3
votes
2answers
360 views

Can a EV3 program run simultaneously with the Running Robot commander app?

Is it possible to run the Robot Commander app and a program on the EV3 brick at the same time? If so how would it be accomplished?
3
votes
1answer
460 views

No response when controlling the Mindstorms EV3 brick over Bluetooth

I am trying to control the EV3 using direct commands over a Bluetooth connection. There are no issues pairing the brick with a PC or phone, and opening the serial connection works fine, but sending a ...
3
votes
1answer
168 views

Are there any LEGO sets that have these two parts?

Are there any LEGO sets that have the following parts: Part 57518 (Link Tread Wide with Two Pin Holes) Part 15035 / 18405 / 95292 (Large Shock Absorber with Very Hard Spring)
3
votes
0answers
668 views

Ev3 spik3r mission 2 doesn't move

So I was building Spik3r and I thought I got mission 2 completed. Wheels are turning, legs are moving but the robot just does not move. It looks like the small wheels should be moving the robot but ...
3
votes
1answer
157 views

How do I add the lms2012 library as a dependency within Visual Studio

I'm following this question and am curious how I go about actually importing the following the necessary dependencies. I see this line: #include "ev3sources/lms2012/c_com/source/c_com.h" and have ...
3
votes
3answers
800 views

Recreating Mindstorms TRACK3R test track

I didn't realize until now that the 31313 Mindstorms packaging secretly contains a hidden test track for the TRACK3R robot. And the packaging is long gone with the trash. D'oh! What is the simplest ...
3
votes
1answer
1k views

How do you open a logfile (.rdf) downloaded from an EV3 brick?

I have been logging data for a few sensors, and would like to import that data into Excel. What exactly do I need to do? I remember reading somewhere that LabView can export logging data (I have the ...
3
votes
1answer
229 views

Spik3r wheels move but the spik3r itself doesn't

Our Spik3r's wheels move but the Spik3r itself does not move. Please see the picture of the back of the vehicle - is it somehow incorrectly built?
2
votes
1answer
515 views

LEGO Large Shock Absorber alternatives

Are there cheaper alternatives to Large Shock Absorber with Very Hard Spring (Part No. 15035 / 18405 / 95292 / 95292c01)?
2
votes
1answer
1k views

EV3 not recognized by PC when attempting firmware update after interrupted update

I have just sent the following inquiry to Lego Customer Support: I aborted a firmware update and now the Intelligent Brick does not get past the "Starting.." message when it is turned on. I ...
2
votes
2answers
2k views

draw program for LEGO MOC models?

I want to design a MOC digitally. I can do this with ldraw, but are there any drawing programs better than ldraw to make models of LEGO ? kind regards, Peter
2
votes
1answer
606 views

Are there Powered Up compatible connectors available?

I'm interested in experimenting with custom LEGO Powered Up peripherals. Are there connectors available that I can use to interface with the hub?

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