2
votes
1answer
93 views

How to Motorize the LEGO Mars Rover

I am looking for some suggestions. My daughter is building the Mars Rover set (go here for the details: http://www.eurobricks.com/forum/index.php?showtopic=98222) for a presentation at school and I ...
1
vote
1answer
58 views

How can I get a replacement of LEGO NXT Green City Challenge Activity Pack CD-Rom?

I purchased the LEGO Mindstorms NXT Green City Challenge Pack on LEGO many years ago. Now, I wanted to use back this challenge pack, but I found that I've lost the CD Rom and the class that I am using ...
0
votes
3answers
81 views

Lego model of USB socket?

I am looking to make a LEGO version of my laptop. Is there a LEGO brick or set of LEGO bricks that would form a USB socket?
1
vote
1answer
40 views

Interface between keyboard and NXT mindstorm

I want to make an NXT program that handles key presses from a user. First, I'd like a message to display asking the user to choose a key on the keyboard (S or M), and then depending on the chosen key ...
0
votes
2answers
66 views

What is an inexpensive camera for photographing Lego? [closed]

What is an inexpensive camera for taking pictures of LEGO? I currently use an iPad and I am not satisfied with the photo quality. I would prefer something 100$ or less, if possible.
3
votes
3answers
1k views

Can you buy a large two sided brick?

Today I bought a baseplate, 10700. Sadly, the female connectors on the back are not "LEGO compatible"...you can't plug any LEGO bricks into them. I want to build a LEGO cart so dash can pull dot (a ...
0
votes
1answer
64 views

Lego Mindstorm NXT memorise line followed (LeJos)

I made a line follower program with leJos, it works pretty well; and I want to take it to the next level: I want to make it remember the line it followed; works like this: follow the line till the ...
4
votes
2answers
247 views

How to build a steerable remote-controlled vehicle with just 1 motor?

In WeDo 2.0 set there is only 1 motor, which can be remotely switched on and off by using the iPad app (by writing a Scratch program). Also motor rotating direction can be toggled remotely. As an ...
0
votes
1answer
93 views

Where does Saul's head come from at 0:12?

I'd like to build the same figure but I am unable to locate the head. Video: https://www.youtube.com/watch?v=UajSKjQUDPE
0
votes
2answers
62 views

ev3 education brick dosen't work well

I have ev3 education kit and when I make a program and put it on the brick and run it at first time it run very well and the robot go in straight line and make 90 degree turn very well but when i run ...
2
votes
1answer
80 views

Can someone please help me ID these parts?

I'm trying to recreate this small creation, but don't have a parts list: Going from top down, here are my best guesses, but I'm not very good at this: 2654 (Black) Plate, Round 2 x 2 with Rounded ...
0
votes
1answer
62 views

Having trouble pushing 6.6L bar into pin connectors

I have a dilemma where I am trying to push a 6.6L bar(4095)through 3 stacked pin connectors(62462) that have 1 long pin(6558) and 2 pins (4459) inserted. The bar only goes in a little bit and then it ...
1
vote
2answers
54 views

Lego Friends lost instructions

Where do I find instructions for Lego Friends that my daughter has managed to lose but are also discontinued?
7
votes
3answers
417 views

What are some creative uses of the orange brick seperator tool?

I have these piling up around my lego corner: Any suggestions for creative uses? Especially multiple?
0
votes
2answers
107 views

Don't know how to call this but

I want to make a program that does a few things in a random order: I have this so far: The problem here is... I have set the switch block with the random number block to 3 different programs to run. ...
0
votes
1answer
65 views

Where does the left hobo's head come from at 0:18

I identified the right one (Emperor Palpatine), but I can't find the left one's head. Any help? Video: https://www.youtube.com/watch?v=befr11mPESE
3
votes
1answer
88 views

Can someone please help me identify this antenna/rod part? It attaches to the bottom of a brick

These red antenna-like pieces have four flanges at the base. The base does NOT fit on top of a stud, but rather it will fit the underside/bottom side of brick. The two pieces can also be connected ...
1
vote
1answer
77 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 ...
0
votes
0answers
53 views

How to determine orientation of a EV3 gripper?

I have built the EV3 Gripper using the manual. I am programming an ev3 brick using ev3dev. I need to determine the angle/direction/orientation of the robot programmatically, before I can issue a ...
2
votes
1answer
113 views

Please help me identify these Lego and Bionicle sets numbers

Lost many of the lego parts in a flood. I've put parts together using best guess so some pictures may represent more than one. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. ...
5
votes
1answer
104 views

Help identify large white wheels

Have lots of mixed pieces that we bought second hand. We have come across very large white plastic solid wheels, resembles sand buggy wheels, but think they must be space related as they are white. ...
5
votes
1answer
149 views

Where are these minifigures from?

In this image there are two army guys guarding: But where were they bought? I'm curious to know where to get them myself. Reply to Zhaph's Answer: (I don't have enough reputation.) I'm well aware ...
1
vote
3answers
129 views

Made a big program in EV3's programming software for AI creation and it went from slow to not loading

Made a big program in EV3's programming software for AI creation and it went from slow to not loading. It just displays the loading bar in the middle of the page. Even my lenovo windows 10 8GB RAM ...
4
votes
1answer
98 views

What is the set number for these Star Wars parts?

We lost the majority of my sons lego collections in a flood. The attached pictures are all we have and need them identified for insurance. Would appreciate your help identifying the set number.
4
votes
1answer
89 views

Please help identify Star Wars set - I have some very specific wings

Please see attached pic, I reckon these are part of a Star Wars ship. Can anyone help me identify the set? Many thanks in advance, Michael.
3
votes
2answers
64 views

Motorizing Hobby Train 10183

What are the PF motors available that will power the Hobby Train 10183? Moving out from 9v tracks, will the existing 10183 wheels fit any other tracks? Also, is there a difference between the PF ...
1
vote
3answers
182 views

What is the name/number of this brick

I was wondering what this piece are? (the two gray tile like bricks)and what are their names since I want to order some online.
1
vote
1answer
74 views

Sticker Identification

Does Anybody Know Where This Sticker Is Used Or The Number Of The Piece, I Don't Know The Number.
-3
votes
1answer
87 views

Help Needed Piece Identification

Does Anybody Know Where I Can Use This Piece ?
2
votes
1answer
109 views

What Is This Piece

Does Anyone Know What Number Piece This Is?
1
vote
1answer
152 views

How to build ar Z6 (TR-8R) riot control baton for 75114 (First Order Stormtrooper)?

Set 75114 has two guns but I would like my stormtrooper to have the iconic melee weapon. How can I build one?
0
votes
0answers
41 views

lego cleaning dust? [duplicate]

I'm a LEGO seller and buy around 20-50kg of LEGO bricks a week. I need to clean these items before I sell them. Currently I'm using the standard method using a bucket and soapy water. Although this ...
2
votes
1answer
194 views

Does anybody know what this cross-shaped Lego piece is?

I have had this for I while and was wondering what it is.
1
vote
1answer
83 views

Loop not work, always enter in the same condition

I have a loop but always enter in the same condition, please see the picture.
2
votes
1answer
109 views

Instructions for LEGO bag dated 2007 bought at a Thrift store

I need the instructions for a LEGO parts bag I purchased at a Thrift store
3
votes
2answers
127 views

Is there a web resource available to browse LEGO Minifig head designs?

I am curious if there is a minifig browser or gallery that allows you to view and identify LEGO heads created over time? Ideally, this resource would also list the date the minifig head was first ...
3
votes
1answer
150 views

Lego G-Scale train?

I have a 45mm gauge LGB-based G-scale garden railway and want my grandson to have a push-along loco and some rolling stock for it. Can we make this with Lego? The wheels need to be non-metal and have ...
1
vote
0answers
29 views

HiTechnic Color Sensor analog

HiTechnic sales support said that HiTechnic color sensor hasn't been manifactured yet. Currently it's out of stock in HiTechnic shop. Is there any analog of this sensor except NXT/EV3 color sensors?
1
vote
0answers
52 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. ...
0
votes
0answers
31 views

Lego brick management tips [duplicate]

My 4 year old son loves to play with Lego and we encourage him. We built a few sets together and he mostly builds stuff from his own imagination. He likes to build new sets with us and to follow the ...
1
vote
0answers
66 views

Is there an alternative replacement motor piece for 4.5 V Trains?

Is it possible to find on a market a simple 4.5V electric motor, that can be installed into LEGO Part 564c01? The service pack No. 5000 is more and more difficult to find.
10
votes
5answers
120 views

Best way to manage Lego blocks [duplicate]

Maybe my question is not suitable for this forum, but I figure this is the place where people have the most experience, so, here goes. My 4 year old son loves to play with Lego and we encourage him. ...
0
votes
1answer
38 views

Order Number Problems [closed]

I think something is wrong with the email I use and for whatever reason i didn't get the email with the order details after I ordered. I quadruple checked that I got the email right before I typed it ...
5
votes
2answers
106 views

How to store a matrix of values and pick out certain elements and compute the difference?

I at the moment am trying to make an EV3 robot which is capable of following a gradient decent method. The idea was to store a discretized function in a 2D matrix, and make several lookups in that 2D ...
1
vote
1answer
79 views

Where to get additional part library graphics for BlueBrick layout designer

I love BlueBrick, the track and layout designer from developer Alban Nanty. I have been using it for years and it is the best tool I have found for designing a full layout including train tracks. ...
3
votes
1answer
44 views

Shipping to Turkey

I am trying to order different single bricks with Pick a Brick system. It seems there is no shipping options to Turkey. I already picked around 32 Euro pieces but couldn't be able to change the ...
3
votes
1answer
230 views

What set are these mini figs from? What are their names?

Can anyone tell me what minifigs these are?
4
votes
1answer
282 views

Is there a changelog for any firmware updates on an EV3 brick?

When a firmware update is released for the Mindstorms EV3 brick, are there usually any changelogs for them explaining what's been added or changed? If so, where can they be found?
0
votes
2answers
240 views

Can you help me identify what Lego set this May Belong to?

Can anyone help me identify what lego set this is from? My son has it half built and we cannot find the instructions and the bricks have been mixed with his other lego. Thanks!
0
votes
2answers
65 views

Lego Cleaning/Sterilisation [duplicate]

I am just looking to see if anyone knows of a lego product that exists that allows you to sterilise your lego using your dishwasher. Thanks

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