2
votes
1answer
102 views

Best system for lifting things without pistons

So I am Building a Big walker thing with a mining laser on bottom that can be lifted on one half and the other attached to the vehicle but I cant seem to find a way because the hooks attached to the ...
3
votes
1answer
61 views

Is LEGO Junior compatible with regular LEGO?

Does LEGO Junior fit with regular LEGO? Say for 8-12 year olds? I want to make sure it is not obsolete and can be used as the child grows alongside the LEGO collection.
2
votes
3answers
330 views

Could I do datalogging in Mindstorms EV3 Home edition?

Apparently datalogging is an integrated part of the educational EV3 software. But I got the Home edition. Is there some module or thing I can use to get datalogging functionality in my Home edition? ...
4
votes
2answers
71 views

Is it possible to use DUPLO bricks in LDD?

Is there a way to import DUPLO bricks to Lego Digital Designer? Or is there another way to make DUPLO build instructions?
1
vote
0answers
37 views

How do I control one EV3 using another through bluetooth and LabVIEW?

I have LabVIEW 2014 and I'd like to control make one EV3 move forward using another through bluetooth using LabVIEW, and I don't want to have to use the computer as a relay. How do I do this?
2
votes
1answer
42 views

Can the rcx work without the infrared tower

I'm getting a rcx 1.0 or 1.5 and it's not coming with the tower. Can I still program it, using some sort of cable?
0
votes
2answers
54 views

Which program do I use to program my rcx 1.0 or 1.5

I am getting an RCX and I know it is ether a 1.0 or a 1.5. Which program do I use to program my RCX?
3
votes
3answers
143 views

How to make lego unbreakable

I would like to build a lego model which is unbreakable. What is the best approach? I am not looking for just glue here. EDIT: I don't just want to strengthen the bond between the bricks, but the ...
25
votes
6answers
2k views

How do I change the color of a brick?

I have a uniquely-shaped brick that I would like to make a darker shade of gray (it's currently blue). What media is the best in terms of durability for continued use (i.e. re-use, ...
10
votes
1answer
1k views

How much does a life sized LEGO person sculpture weigh?

Generally, how many pounds of LEGO would it take to make a life sized person sculpture? Do they weigh anywhere near the same as the real person they are modeled after?
1
vote
1answer
519 views

Does the LEGO company actively follow or copy clone bricks?

What does The LEGO group do to follow clone brands? Do they buy at least one of every set produced by The Other Guys? I'm more interested about what the LEGO company does to keep up with what ...
1
vote
2answers
114 views

How to design ackermann steering with lego wheel bearing front?

I wanted to use a steering system based on the 11949 part: But I am not sure how to use it in an ackermann system - I would like to be able to have drive and suspension on the wheel, and this piece ...
2
votes
0answers
19 views

Using Dexter WiFi Sensor with Robot C

My wife bought me a Mindstorms NXT system a few years ago and I bought a Dexter WiFi sensor (http://www.dexterindustries.com/manual/wifi/) for it, By the time I got a chance to work with it, I found ...
3
votes
1answer
311 views

How can I rotate an EV3 motor an exact number of degrees using RobotC?

I'm trying to rotate the motor of an EV3 by an angle of 50°. I can't. How I can rotate a NXT/EV3 motor by a given angle using RobotC?
1
vote
1answer
67 views

LEGO Mindstorms NXT - NXC compiler for OS X

I need an IDE for LEGO Mindstorms on my Mac, but I only found a few for Linux and Windows but not for Mac. I found NeXT Tools, but the newest version isn't compatible with Yosemite. If I execute it, ...
4
votes
1answer
85 views

Can I safely dissassemble a 74569 motor (the old, fast 9v one)

I have an ancient 74569 motor: Unfortunately, it's broken: The shaft spins freely by hand, but when I connect power to it, it doesn't spin at all. I would like to see if I can just open it and ...
10
votes
3answers
981 views

How do you construct odd-angles on buildings

I was thinking of building a model of the famous Castillo de San Marco located in Saint Augustine, Florida. A small bit of research shows that Legoland has a replica (flickr link) and that there are ...
5
votes
4answers
190 views

What will happen if I submerge LEGO in water?

I'm thinking of using real water in my LEGO City and putting the Atlantis and deep sea exploration sets at the bottom of the tub of water, but I don't know what will happen to LEGO when put in water. ...
5
votes
2answers
65 views

What can I use to glue LEGO bricks to Metal?

So I have no roof lining in my car and instead of replacing it with another carpet I thought covering it in Lego would look pretty cool What would be the best way to glue the LEGO to the metal of my ...
27
votes
3answers
21k views

Are DUPLO blocks compatible with LEGO blocks in any way?

Can I build a model out of both DUPLO blocks and LEGO blocks? Do they fit together?
4
votes
2answers
88 views

How can the new LEGO pneumatics be used for trains?

LEGO came out with new pneumatics. Since I'm a train guy (my wife is more into technic and already saving money for the Mercedes ;)) I was wondering, how could we apply the new things for Trains?!
1
vote
1answer
49 views

Is it possible to change the language in the EV3 Education software?

I have only 1 language in menu "Edit - Change language": Is it possible to add another language packs to EV3?
0
votes
0answers
30 views

EV3 brick freeze during run big program

EV3 brick sometimes freezes while executing huge programs and do not react on buttons and bluetooth (connect, start/stop program). Only way to continue work is hard reset. We discovered that freeze ...
1
vote
1answer
38 views

EV3 IR, ultrasonic senosor datasheets

I want to connect EV3 IR and ultrasonic sensors to my Arduino. Unfortunately could not find any good documents describing how to use/control them. Could you please help? Thank you very much.
4
votes
0answers
101 views

What electrical contact material is used for PF Connectors?

I'm designing my own PF electrical connector and I want to have the same functional characteristics as the original Lego brick. Could you please let me know which electrical contact material is ...
2
votes
1answer
99 views

Groove dimension of 4216 or 88393?

What is the dimension of the groove of LEGO part #4216 or #88393?
4
votes
1answer
85 views

What are the differences between NiMH and Alkaline batteries for the EV3?

Currently I am using six rechargeable batteries for my Lego Mindstorms EV3. A few seconds after I start a motor the EV3 gives a notification that that the battery is low. I know that good batteries ...
1
vote
3answers
3k views

Where can I download the EV3 education edition software for free?

I have a site license but I'm not able to find the download for the software anywhere. Any help would be greatly appreciated.
0
votes
0answers
25 views

LEGO Mindstorms not downloading to brick properly

When I try to download a program to my Mindstorms brick, the download immediately completes, and the program is listed on the brick menus, but it will not run the program. Also when I open the memory ...
11
votes
3answers
825 views

What tool can get the Technic pin out from a connection closed in the other end?

I'm having trouble removing these LEGO Technic pins apart from their connectors and I don't want to use carpenter tools like pliers which may damage the bricks. What tool can get the pieces ...
2
votes
1answer
76 views

Lego RCX hardware schematic

Where can I find the hardware schematic for the Lego RCX brick? I spend a lot of time but unfortunately didn't find any useful information.
2
votes
2answers
165 views

A custom LEGO velociraptor

I would like to make a custom paint job on a LEGO velociraptor (to look more like the one in the Lego Jurassic World game), but I don't want to paint it myself because I can't paint for the life of me ...
19
votes
4answers
6k views

Why does LEGO have a maximum age limit?

I am wondering why do LEGO boxes have a maximum age limit printed on them? My girlfriend has just gifted me LEGO Starfighter (8088) and it has an age range of 8-14. Why not just write 8+? Are there ...
3
votes
1answer
68 views

LEGO Set 10188 Help on Step 160

I have the LEGO Star Wars Death Star set 10188. I am stuck on step 160 because when I try to clip the parts into a circle, parts snap off and I can't seem to bend it down. Thank You.
0
votes
0answers
21 views

How do you get Loctite pro Super Glue off LEGO? [duplicate]

I built a LEGO gun and we glued the handle on since it is weak but we found out the mag couldn't fit so we need to remove the super glue
2
votes
1answer
119 views

usage of ev3 ultrasonic sensor in lejos behavior based programming

I'm using ev3 ultrasonic sensor. And I'm writing a behavior based lejos code. I want to do some tasks when the ultrasonic sensor detects an object which is not further than 30 cm's. And this is my ...
2
votes
2answers
178 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 ...
3
votes
1answer
108 views

What is this 2x4 brick with a clear bottom, a small hole at each end and a 6 brick high pole?

It is a 2x4 with a clear bottom a small hole at each end and it is smooth on top with a 6 high pole coming out. The brick has no numbers on it so I'm not sure what it is I have tried searching ...
3
votes
2answers
133 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 ...
9
votes
4answers
4k views

How to make Mindstorms respond differently, depending on which sensor is triggered?

I am new to Mindstorms (but in my day job I am a programmer). I want to make my robot do one thing if the touch sensor on port 1 is pressed, and do something different if the touch sensor on port 2 ...
11
votes
4answers
4k views

Is there a standard scale for building “minifig scale” creations?

I've seen many impressive models built to "minifig scale" (e.g. the enormous USS Harry S. Truman aircraft carrier), but is there a standard (or at least widely adopted) scale e.g. 1:60 that these ...
3
votes
1answer
68 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 ...
1
vote
1answer
78 views

EV3 turning in circles

New programmer feeling my way around. I set the most simple "steering block" to 25, the power to 50, and the number of motor rotations to 40 or 50. Then I let it run expecting the bot to go in a ...
3
votes
2answers
138 views

Large trap door - alternative to door with frame 4595708

I need to build a large trap door, the trap door 4x5 with frame 6x8 is too small for my model. Other doors/hinges seem to have too much resistance and the door doesn't fall by itself, it must be ...
2
votes
1answer
41 views

Microsoft Robotics Developer Studio & RCX Support?

What is the last version of the Microsoft Robotics Developer Studio that supports the RCX? The Wikipedia link (http://en.wikipedia.org/wiki/Microsoft_Robotics_Developer_Studio) indicates RCX was ...
4
votes
8answers
21k views

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 ...
1
vote
3answers
349 views

Programming NXT color sensor with NXC?

Currently I am working Lego robot that solves 2x2x2 Rubik's cube. I am programming Lego Mindstorms NXT 2.0 color sensor in BricxCC. I already have RGB data with the command ReadSensorColorRaw. I ...
0
votes
2answers
47 views

If LEGO could transform the way that plastics were produced, and create living wage jobs, would they? [closed]

I have been studying the application of new recycling technologies because I am concerned with plastic pollution. I have thought of a way to apply new technology differently but the missing piece of ...
2
votes
1answer
98 views

Where can I learn how to program an NXT using C#?

I've been toying around with my NXT 2.0 set for a few years now and I would like to learn how to program it using C# language. I have no experience in coding and I am definitely not a computer geek. ...
1
vote
1answer
160 views

Can Mindstorms EV3 communicate using protocol 802.15.4?

My aim is to make the robot communicate using protocol 802.15.4 through a USB dongle 802.15.4 over 6LoWPAN. The robot has to be able to get information from TelosB. I wonder whether this possibility ...

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