2
votes
1answer
281 views

What's the sight of the ultrasonic sensor according to the distance of the object?

Hey I'm programming a sumobot for a first-year university Civil Engineering project. We should need the sight of the ultrasonic sensor according tot the distance of an object. For example, the sensor ...
2
votes
2answers
798 views

Ultrasonic sensor option missing in Wait block in Labview

I have hooked up the EV3 brick and the Ultrasonic sensor (on port 4) from the older mindstorms set 8527, and using the most recent Labview software on windows 7. I am trying to test the model for ...
2
votes
1answer
393 views

What are the memory requirements of EV3-G software blocks running on NXT bricks?

The NXT brick has about 130K memory available for user programs. With the newer firmware required for downloading EV3-G programs that memory has been reduced to 118K. How much memory is used by the ...
2
votes
1answer
890 views

How Can I paint my LEGO Bricks? [duplicate]

Possible Duplicate: How do I change the color of a brick? Is there a way that I can paint a white LEGO brick? I would prefer paints that will not come off easily.
2
votes
1answer
16 views

Is there on/off function on the 8879 IR SPEED REMOTE CONTROL?

Hi… Just got 8879 IR Speed Remote Control yesterday. Does it have an on/off switch? We don't see one.
2
votes
0answers
65 views

Lego Model to 3D Converter

I've created a LEGO figure using a great number of ball joints for maximum flexibility. The pre-finalized version of this model, before I got the legs working the way I wanted them, is shown in this ...
2
votes
0answers
95 views

Challenge: A good, swift kick

Hey everyone, this is Bricks.SE's first challenge question! Context: On other sites, you sometimes see a question made specifically for the purposes of getting a lot of good ideas, the checkmark ...
2
votes
1answer
107 views

How to clear off oils in a way that will not damage the plastic?

Especially with the pneumatic cylinders, so it has to not make the metal rust too. Also, it is oxidized vegetable that is stuck in there, inside the pneumatic cylinders. And it started to make it all ...
2
votes
0answers
58 views

Infrared sensor behavior

I'm developing a small program with the LEGO's Ev3 development tool. I'm trying to make the robot rotate, 30° at time, and check if the infrared sensor detect something than make something and stop. ...
2
votes
0answers
78 views

Is there a free ImageSet of the Minifigure Series?

As I wrote an iOS App, which helps you collect the Minifigure Series, that I want to distribute for free and LEGO is not willing to let me use their Minifigure Images, I am looking for the images ...
2
votes
1answer
300 views

EV3 with NiMH batteries

Could I use 6 NiMH 1.2V batteries and keep pressed the small black circle in the battery compartment in order to adjust the battery gauge and low battery alarm?
2
votes
2answers
156 views

Inverting motor's rotation

I've designed a robot with two motors. It works as follows: The first motor is attached to the the person's arm, the second motor receives the calculated movement and moves accordingly. When the ...
2
votes
0answers
150 views

LEGO Technic Interface A

A few days ago, a friend offered me one set 9750 LEGO Technic Interface A with the Interface Card and Cable (IBM compatible) but without software. Can someone share the installation software (LEGO ...
2
votes
1answer
202 views

Bluetooth communication between computer and nxt using RobotC

I'm thinking starting a project involving controlling the movement of a NXT robot from the PC using RobotC. Is it possible? Does anyone have a simple code solution?
2
votes
0answers
278 views

Can I use EV3 with a TETRIX motor?

What program can I use to control a TETRIX motor through the LEGO EV3? I've heard that RobotC currently cannot be used for this. Has NI released a Labview version which I can use to control TETRIX ...
2
votes
0answers
64 views

Programming the LEGO Mindstorms T-Rex [duplicate]

I followed the instructions up to the MoveAbsolute My Block for the T-rex but I'm not able to link the last connection (Brake at End). Can anyone advise what I might need to change?
2
votes
0answers
52 views

How to Return a Motor to a specific value [duplicate]

I've created an arm robot using Mindstrom NXT that can find an object pick it up and move it to an new and random location. My problem is that I would like for the motor to, at the end of the program, ...
2
votes
0answers
250 views

Daisy chaining EV3 with RobotC

I'm trying to run EV3 programs with RobotC and trying run on EV3 Daisy Chaining. I have three independent EV3 bricks labelled A,B,C. I want, according to the color reading by the color sensor on ...
2
votes
0answers
31 views

Train track switching using servo motor [duplicate]

My project requires using a servo motor for switching track. It needs to be automate switching points. Is this possible? What is the cheapest / easiest way of achieving this?
2
votes
1answer
327 views

Good EV3 iBook for programming or building

I am a participant in a Lego mind storms competition soon using EV3. I would like to know if there are good, free iBooks for me to download (PDF or iBook from the apple iBook store). Preferably the ...
2
votes
0answers
72 views

What's the most effective way to clean dusty builds? [duplicate]

I have a large airplane build that I haven't touched in quite a while, and it has built up quite a large amount of dust. I've tried using a wet washcloth to wipe off the dust, but when cleaning that ...
2
votes
0answers
49 views

How is a LEGO Friends Mini-doll built? [duplicate]

Has anyone taken apart a LEGO Friends mini-doll to see how the arms and legs connect? And are the connection points compatible with any other types of brick?
2
votes
1answer
346 views

Does NXC work with EV3? [duplicate]

Is it possible to create and run NXC programs on the EV3 brick? I installed BrixcCC, created a simple Hello World NXC program and selected "Download and Run" in the Compile menu. The EV3 brick made ...
2
votes
1answer
258 views

DeathStar maintenance [duplicate]

I have a LEGO Deathstar and have already built stage one of four. However, I haven't been able to get to it lately and it has become rather dusty. How should I clean it? And I travel a lot, so is ...
2
votes
0answers
33 views

piece information [duplicate]

I found a lego item that I can not fiugre out what it is or what set it goes with. I was hoping someone out there could give me some info on the item. I'm attaching a picture of the item in question. ...
2
votes
0answers
158 views

Is the EV3 brick balanced? [closed]

I want to buy an ev3 but I want to know if the center of gravity is off in the brick (really does not look symmetric)
2
votes
0answers
27 views

How can I control the building instructions generated in LDD? [duplicate]

Is it possible to control the building instructions in LDD? Specifically, I'd like to make sure that every step stands on its own without falling apart on my build. If not, is there any software I ...
2
votes
0answers
270 views

Ideas for large NXT projects [closed]

I currently have 6 NXT sets. Can anyone think of some large scale projects that I could attempt using most of the NXT bricks and pieces together?
2
votes
0answers
443 views

RCX 1.0 downloaded firmware successfully with RIS 2.0 but does not run any program

I have installed correctly the RIS 2.0 in an old laptop running Windows XP and I successfully downloaded the firmware through the RIS 2.0 to the RCX 1.0, following the standard setup instructions. ...
2
votes
0answers
191 views

I have entered codes for days 1-7 on the LEGO Star Wars Calendar site and now can't enter any more [closed]

I have the LEGO Star Wars Advent calendar and have put in the codes up to day 7, however it will not allow me to proceed and put in any more codes from day 8 upwards - are other people having this ...
2
votes
0answers
56 views

Can you use four movement bricks on one NXT? [duplicate]

Possible Duplicate: How can I use more than three motors with one NXT brick? I want to make a tank out but it needs 4 movement bricks but I only have one NXT. Here are the parts: It can move ...
2
votes
1answer
173 views

EV3 Rapt3r's head cable interfering with slithering

My Rapt3r is working great, except that the cable that goes from the head to the "Intelligent Brick" physically interferes with the slithering on the side on which it is plugged (port 4). Physically ...
1
vote
4answers
388 views

What adhesive can bond LEGO bricks to metal?

The Scouts are making some Christmas decorations using LEGO, and we need to stick them on to some metal stands. Could anyone please advise the best glues and process (e.g. sanding, etc.) to join ...
1
vote
2answers
89 views

How many mystery minifig bags to buy?

There are 16 distinct LEGO minifigures in a collectible series. They are sold individually in "mystery" bags so that you cannot tell which one is inside. To get all 16 minifigures, what's the ...
1
vote
2answers
433 views

How do I make a remote control car without LEGO motors?

I have no LEGO motors In my collection, what are some household materials I can use?
1
vote
1answer
199 views

Need help to identify minifigure

Can someone help me to identify minifigure linked below: I´ve been searching now about three hours without luck :)
1
vote
2answers
344 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?
1
vote
2answers
2k views

Where can I find LEGO Digital Designer projects for Lego Technic MOCs?

I have LEGO Technic pieces collected from multiple sets and would like to find projects on the web which I can view and build models step by step. Please advise sources where I can find these.
1
vote
2answers
73 views

Is there a particular reason why LEGO did not come out with Creative Building Box for Technic parts?

LEGO have many great Creative Building Box such as the Lego 10697: XXXL Box. Why LEGO did not come out with Creative Building Box that consist of Technic parts?
1
vote
2answers
59 views

Lego Friends lost instructions

Where do I find instructions for Lego Friends that my daughter has managed to lose but are also discontinued?
1
vote
2answers
55 views

Can I find parts list for single fire truck in a fire station set?

I'm trying to find the partlist for the biggest firetruck in the 7208 Fire Station. Is there a page that contains lists for each car in a set?
1
vote
1answer
124 views

Trying to ID a piece.

Light grey, approx. 1 in. X 1 in. Shaped like a bottom jaw or a digger shovel. It has a half round hump in the middle of the piece.
1
vote
2answers
244 views

Legal free NXT-G download [duplicate]

Where can I get a legal, free copy of NXT-G for mac? I lost my disk when I bought my NXT, and I need to get a new program.
1
vote
1answer
242 views

Will it be fun to go to Legoland with my family? [closed]

I am 31 years old . My elder sister and mother are going to visit me. I want to see whether it is suitable to bring them to LegoLand.
1
vote
6answers
273 views

Most inseparable combinations?

Some piece combinations are really hard to get apart. Really hard. Can some answerers provide a list of "danger combos"? For example, a 2x2 with a round 2x2 on bottom. Also, if possible, provide a ...
1
vote
3answers
50 views

Lego Torsos cracking

I have just recently acquired the new crossbones' hazardous heist, and suprisingly, not even a week went by and my really sweet Black widow figure already has a small crack in her side. Will This ...
1
vote
2answers
93 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
1
vote
1answer
63 views

Why does display output affects motors?

I'm making a simple program with LEGO EV3 Education. It makes a little tank to follow a black line over a white-ish floor. Here it is: [] This works very smooth: it makes the tank follow the EDGE ...
1
vote
1answer
115 views

What are the best sources of information for upcoming lego sets?

Lego sometimes offers me a "Lego Calendar" with upcoming events,sets, sales and coupons. Whether or not I get this calendar is hit/miss and it only notifies me of the next month's news. I've ...
1
vote
1answer
146 views

Which lego set is the cheapest one containing a motor

Which legoset is the cheapest I can buy in a store with a electric motor in it?

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