All Questions
4
votes
1answer
3k views
Lego Mindstorms RCX RIS 2.0 IR tower Windows 7 / Windows XP driver
So I've recently dug up my old Lego Mindstorms RIS 2.0 (RCX) and have spent the past few days trying to install it into my Windows 7 laptop. It worked fine, except it could not find the correct ...
4
votes
1answer
213 views
Access hatch in a wall?
Working on a 10 stud by 10 stud Square bell tower for my annual project. Need to create a access panel/door. Any tricks that can be done so it's hidden or at least not easily noticed?
I need to hide ...
4
votes
1answer
251 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?
4
votes
1answer
309 views
Why does my NXT colour sensor not recognise colour on my iPhone?
If I point the colour sensor to my iPhone it does not recognise it, but if I point it to a piece of paper, it does.
Does anyone know if there is a solution for this?
I found some documentation ...
4
votes
1answer
425 views
Does the Power Functions IR Remote Control 8885 make a good remote for a car?
I have the Power Functions IR Speed Remote Control 8879 and it's great for, well, the train it came with and maybe other applications where you don't need precise control. 8885 looks like it would ...
4
votes
1answer
378 views
What different bricks exist with studs on the sides? [closed]
(Partially inspired by this question.)
I have been wondering recently just how many different LEGO bricks there are with studs on the side.
Which LEGO bricks have studs specifically on the sides?
...
4
votes
1answer
102 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 ...
4
votes
1answer
122 views
Gunner bot programing
I just build the RCX Gunner Bot using the instructions from this web site.
I had to build something different to the one we built in the class, I added a touch sensor and light sensor, so the bot ...
4
votes
1answer
181 views
Is there only one lego Rohan soldier? Why?
As far as I can tell, Lego has released only one set containing a regular rank-and-file Rohan soldier, that is Uruk-hai army.
Is this correct? Why is it so?
4
votes
1answer
131 views
What can cause programmed NXT 2.0 motors to misfunction when small resistance is applied?
I have robot built per the Alligator tutorial included with Mindstorms NXT 2.0. Everything works correctly if I hold it off the ground and make sure there is no load on the two leg motors. However, if ...
4
votes
1answer
223 views
LEGO Scalextric?
I have a couple of these car parts in my collection but cannot find anything about them. They are copyright 2003 and show a number 3213 on the back axel.
Interesting is that they have 3 electrical ...
4
votes
1answer
721 views
Can you program an RCX using the Mindstorms NXT 2.0 software?
I was asked to teach a robotics class and found several RCX bricks in storage. Can I use these bricks with the Mindstorms NXT 2.0 software? If not, what would be the software I would need to use the ...
4
votes
1answer
123 views
Measurements (LDU) of Lego tracks Set 151
I have an old set of 7851 curved tracks. I want to use the outer tracks (the ones with the bumpy surface). If I was to put one end down on a baseboard so that is tangent/parallel with the grid of ...
4
votes
1answer
87 views
Which resolution is necessary to print bricks with a 3D printer?
I would like to print LEGO compatible figures. Which resolution is required for the 3D print in order to firmly fix the figures on LEGO bricks?
4
votes
1answer
154 views
Strongest gear configuration
I'm building a (what I hope to be) high-speed car using two PF-XL motors together and some gearing up. However, there's a point where I have to rotate the axle with power (that comes from the 3 speed ...
4
votes
1answer
117 views
Best sensor for balancing inverted pendulum
I want to build a balancer for an inverted pendulum. Which of the following sensors is best suited for detecting the tilt?
Accelerometer
Gyroscope
Angle sensor
4
votes
1answer
248 views
What is the difference between the two train motors 8866-1 and 88002-1?
At the Lego store the other day they were talking about a "more powerful" train motor for the Maersk train (I was asking about adding a second motor to the red cargo train so it would go uphill). But ...
4
votes
1answer
218 views
Is the Lego 8884 IR Receiver compatible with earlier IR Speed Remotes e.g. from set 7897?
I'm thinking of buying the new Train power function, e.g. 8884 IR Receiver, 88000 Battery Box, and 8879 IR Speed Remote. However I already have the set 7897, is the Speed Remote from this set ...
4
votes
1answer
218 views
New ways of connecting levels of multi-story modular buildings
Compare these two instructions from the Green Grocers and Pet Shop modular building and you may notice (other than the background colour) that the top of the walls of the buildings are both arranged ...
4
votes
1answer
479 views
Any good Lego body decal templates or printing services
I was wondering could anybody point me in the direction of a good online service that prints minifig decals? I have no problem creating the designs etc but getting somewhere to print them is very ...
4
votes
1answer
159 views
NXT motor power accuracy
When turning the motors, how precise is the speed parameter? I am programming in the NXC language (standard firmware) and wishing to know how many decimal points will be taken, if any, and whether the ...
4
votes
1answer
999 views
Mindstorms 2.0 can't download to NXT brick with error 142023
Using Mindstorms education 2.0 on a Windows 7 computer I can't seem to get the program to see the NXT via USB or bluetooth dongle.
When connected by USB nothing appears in the NXT window with device ...
4
votes
2answers
1k 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?
4
votes
1answer
143 views
Why did LEGO create different canister for the Visorak?
I have the six original Visorak (Sets 8742, 8743, 8744, 8745, 8746 and 8747) with different canisters (or boxes).
For example, my Suukorak (8747) has a white canister, and my friend's has a black ...
4
votes
2answers
122 views
Mindstorms start block is missing
the start block is missing on my mindstorms NXT 2.0 programming space. i cannot run any program without it.
i have tried, restarting the programming window, placing a block and even just undoing to ...
4
votes
1answer
166 views
RobotC for RCX cannot find USB IR Tower
I have looked for similar question but found null. So here I am asking.
I have Win7, a RobotC fo RCX and Mindstorms for RCX (both are old version, but available free). I borrowed an old LEGO kit ...
4
votes
1answer
116 views
Is there a place where you can buy single pieces of LEGO-compatible systems?
I've acquired a set of MegaBloks and was amazed at the slopes with studs on top.
Unfortunately the set is $15 and there's only 6 pieces I need.
So I wanted to ask, are there any sites like Bricklink ...
4
votes
2answers
174 views
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 ...
4
votes
1answer
66 views
Where can I find the black crusaders horse barding?
The question is all in the title. I'm talking about this: the second knight from the left entrance to the castle.
4
votes
1answer
1k views
How to control a RCX from a Mindstorms NXT
I have both an RCX and an NXT.
I would like to control the RCX brick from the NXT (and possibly communicate back to to the NXT from the RCX). I would like to avoid purchasing the Mindsensors RCX to ...
4
votes
1answer
292 views
Is there virtual LEGO designing software? [duplicate]
Possible Duplicate:
Do any programs exist that allow you to build own LEGO plans?
Some years ago, there was a really good program to build models from LEGO. But today I can't find it. Do ...
4
votes
0answers
90 views
Old Lego movies
As I remember, it was about 1990 maybe some years earlier, there were movies, made by Lego, they were about 3 minutes long, maybe longer.
It was of course not computer-generated videos but normal, ...
4
votes
0answers
49 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
1k views
Bluetooth will not connect Error code: -142016
nxt 2.0 Error code: -142016
The Bluetooth does connect. I am not having these issues with any of my other Bluetooth devices running off of the same dongle.
Where do I find the the meaning of any ...
3
votes
4answers
2k views
Are there plans to release new trains for AFOL?
I just built the Maersk train, what an amazing model! I did a little research and found that it was released in 2011 and the Emerald Night was released in 2009. Given the two year gap it seems ...
3
votes
2answers
155 views
Are there more studs or “antistuds”?
I was reflecting this morning about the recently introduced element Brick 1 x 1 with Stud on One Side and the fact that there is no real counterpart for it; that is, a 1x1 brick with a hollow cavity ...
3
votes
1answer
297 views
Why did they cancel Mars Mission?
Does anybody know why LEGO canceled the Mars Mission line? It was so good and I almost had everything! I don't wanna buy off eBay because that can get expensive. I liked it a lot!
3
votes
2answers
4k views
How do I unlock the daily surprises? [closed]
I got a lego star wars 2012 advent calendar (9509), and on the back it say "unlock a surprise every day", and it says to go to legostarwars.com, and there's a code on the back of the advent calendar ...
3
votes
2answers
604 views
How does the remote control on the 9398 4X4 Crawler work?
Been looking for a good option for creating a remote control car but it seems Lego released an "official" way via the 9398 4X4 Crawler but it's expensive. How does it work? And that's really two ...
3
votes
3answers
1k views
Lego Mindstorms NXT software error
I have installed the retail version of the NXT software. Due to pitiful performance on my Mac (OSX 10.7 Lion) I followed guidance on other forums and uninstalled Flash 11 and reinstalled 10.
Now ...
3
votes
1answer
167 views
Which subtheme did the “Space Monorail” sets come under?
Many years ago I remeber attending a model railway exhibition and one of the railways was a Lego monorial that looked very "space" based. I've found 6990 (Monorail Transport System) and 6991 (Monorail ...
3
votes
1answer
226 views
How hard is it to get a job within the LEGO company, straight out of university as a graduate?
How hard is it to get a job at the LEGO company?
Being fresh out of university as a graduate of mathematics, I'm specifically interested in answers on if and how LEGO hires graduates.
3
votes
2answers
222 views
List of Helpful Websites for Beginning Collectors
I recently wandered into my father's basement where my brother and I used to have our "game room" setup. I stumbled across a massive amount of LEGO that we had collected over the years. Since then, ...
3
votes
1answer
105 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 ...
3
votes
1answer
353 views
What is the name of this Lego Blacktron anime/cartoon?
Once upon a time, in a distant past there was a Lego Blacktron series:
The Lego Blacktron series has a logo/symbol, it's a yellow triangle with small black triangle inside.
Now my question is: ...
3
votes
3answers
271 views
Which type of LEGO bricks would be compatible with the Mega Bloks Blind Bag Figures?
My husband collects the Marvel figures which come in the Mega Bloks blind bags. His birthday is coming up and I'd like to build him a display for his Marvel figures. I'd strongly prefer to use LEGO in ...
3
votes
1answer
286 views
How can I make a LEGO heroica scale fountain of youth using bricks from Fortaan or Waldurk?
I have started collecting heroica and I thought "wouldn't a fountain of youth be superb!" but I only have Fortaan and Waldurk... any ideas?
3
votes
1answer
121 views
Are there any theoretical works about possiblity of self-replication of LEGO systems?
Are there any theoretical works about possiblity of self-replication of LEGO systems?
(constraints on the size etc., computer simulations)
Here are some relevent links:
Bartlab.org: PDF Document
...
3
votes
1answer
2k views
LEGO WeDo and Mac OS X Lion
Just got a new Mac with Mac OS X 10.7 Lion instead of burned old one. Now I can't install WeDo software since its installer doesn't support Lion. Google search suggests that LEGO released a patch to ...
3
votes
1answer
84 views
Inverting voltage to PF motor
I often use separate PF motor for each driven wheel. Sometimes the most interesting design of mechanism requires opposite polarity of power supply to motors. Is there any simple non-destructive way to ...
