All Questions

0
votes
0answers
10 views

EV3 Brick and Commander app bluetooth disconnecting

We're having an issue with the EV3 Brick and Commander app bluetooth connection constantly disconnecting. The brick just stops responding, so we turn the brick off to disconnect and then reconnect ...
1
vote
2answers
14 views

Is the EV3 compatible with a 3rd party I2C gyroscope?

The only detail I've found so far is that the pull-up resistor should be 82k ohm. I'm wondering If I could just get something like this Adafruit Gyro/Accelerometer and just hook it up to the SDA and ...
1
vote
1answer
30 views

Part Identification: Foot Piece?

I saw this piece used as a foot in someone's MOC and I can't figure out what it is. It kind of looks like a bionicle foot but it doesn't match any that I know of. Pretty sure that the axle going ...
0
votes
1answer
40 views

Please help . Lego Set ID (Police)

I got another police set cant find directions.
1
vote
1answer
37 views

Please help . Lego Set ID (Green)

I need your help to identify this set. Thank you .
2
votes
1answer
43 views
1
vote
1answer
29 views

Importing 3ds file in ldraw (LeoCAD)

I designed a model in LDraw/LeoCAD and exported it as .3ds file. I thought that I can import .3ds file to edit it later. Now I want to edit the model but I don't see any option to import the .3ds file ...
2
votes
1answer
35 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?
1
vote
1answer
47 views

How to MOC the Rough Terrain Crane 42082

I recently got me the Rough Terrain Crane 42082 and had lots of fun while assembling it. I find it a decent Technic build and worth the price. Still I find it under-motorized. I would like to drive ...
2
votes
1answer
61 views

Can you please identify these two assemblies?

Set 1 Set 2 Thanks in advance for the help
10
votes
1answer
593 views

Part identification: 40t gear from The LEGO Movie

While watching clip of the LEGO Movie, I found a strange part: Slightly earlier in the video, its part number is shown as 3649. But it doesn't match the 40t gear I know nor the pictures on bricklink....
4
votes
1answer
232 views

What is this 2x4 brick with a 2x3 rounded plate with hole attached?

I found this LEGO brick and have no idea what it does, it’s name, or which set it is from. It is a 2x4 brick with a 2x3 base plate with a rounded end and a hole in it. Can anyone tell me about this ...
2
votes
1answer
71 views

Can you identify what sets this partial build and bag of LEGO elements come from?

We got this big box of Lego bricks, and we don't have the manuals, please help!
8
votes
2answers
343 views

Identifying parts used for the escape hatch of Sariel's Tiger XL model

I am working on a similar model of Sariel's Tiger XL in prep for my own designs of a few other German WW2 tanks, and need some help identifying a part or two. Does anyone know what the two parts are ...
8
votes
1answer
109 views

Duplo Locomotive: What is this inner part used for?

Background I was forced to completely disassemble a duplo locomotive. My son played with it in a sand box and, guess what, it was not working anymore. I used a small brush to clean everything single ...
2
votes
1answer
125 views

Lego Mindstorms Ev3 home edition on Mac OS Mojave bug - bricks sometimes go blank

I have a fresh install of Mojave and of Mindstorms Ev3 home edition. It seems to work fine but then randomly all the information disappears from the blocks at the bottom of the screen, and sometimes ...
1
vote
1answer
35 views

How do I delete custom images I made in my computer?

I created a custom image for a test, and everytime I download the program to my brick, the image shows up in the folder despite me not using a display program. How do I fix this?
2
votes
1answer
34 views

Get robot to face perpendicular to nearest object, using the ultrasonic sensor in NXC?

I have an ultrasonic sensor attached to a motor so that the sensor can rotate. Right now it stops once it scans a value less than 65 cm. What I want it to do is to scan its surroundings and then face ...
5
votes
1answer
135 views

Pattern for oscillation with LEGO Technic

I would like to simulate an oscillation movement of 120/100 degrees around a fixed point. Something like this one: Basically, I want to rotate a gear around its axis, but only have a partial ...
20
votes
6answers
4k views

What sets have been named in a punny way?

I heard speculation that set 40358 "Bean There, Donut That" is the only set that LEGO ever produced where the name of the set is also a joke. Is that true? Or are there other sets names that contain ...
4
votes
1answer
196 views

Help identify this ship section

Can you help identify this ship section from a box of LEGO parts we have now? It looks like it was in an epic battle.
0
votes
0answers
8 views

How can I have EV3 Commander App continue running the motor when I release the slider

I like to control a drawing robot that I am building with EV3 Commander App. The problem is that EV3 Commander App stops the motor as soon as I release the slider. Is there are option with EV3 ...
3
votes
2answers
109 views

What BIONICLE do I have?

If anybody could tell me what BIONICLE this is I’d greatly appreciate it, it’s driving me mad! 😡
1
vote
1answer
61 views

What kind of mat do you use for running Mindstorm EV3?

Turning Ev3 precisely has been a problem. Do you use a mat for running EV3 on. Can you tell me on what material to get the mat printed?
7
votes
1answer
302 views

Can you identify this LEGO Space build from the early 90s?

Can anybody help me identify this LEGO model from this old picture. My son built this around late 80's / early 90's. The closest I can find is the 6956 Stella Recon Voyager set. Same colours and ...
3
votes
1answer
99 views

Can you identify a set containing a zebra and spider minifig?

I have 2 bags of unopened Lego bricks but I cannot determine what set they belong to...bag 2 344R6 and bag 4 344R6. They are probably from Lego Junior. I can tell there is a zebra character minifig ...
4
votes
1answer
73 views

What is an effective way to clean clear LEGO bricks?

What kind of cleaning products are good and safe to remove smudges and finger prints off clear LEGO parts? Normally I would just use the Clorox wipes. The parts in question are 1x2x2 panels in clear ...
3
votes
1answer
50 views

Which resistor value is used for which motor in Power Functions 2.0?

Based on the answer here it seems that resistors are used to detect what is plugged in with LEGO Power Functions 2.0. So which resistor values (or ranges) apply to which motors or other devices? Are ...
1
vote
1answer
97 views

What is the best way to sell sealed LEGO sets?

My kids have inherited a massive LEGO collection. 90%+ is in mint condition, still sealed. There are thousands of sealed boxes - currently kept in storage. There are plenty of open sets that the boys ...
0
votes
0answers
28 views

Bricx Command Center says “No connection to the programmable brick”

I saw that Laurens Valk in THE LEGO® MINDSTORMS® EV3 DISCOVERY BOOK thanks John Hansen for the EV3 screen capture tool, and, upon further investigation, I found and installed Bricx Command ...
0
votes
0answers
13 views

Power Function 2.0 Pin out [duplicate]

Does anyone have the pin out spec for Power Functions 2.0? Have tried Google and Lego Ed for answers Is there a source for the connector and receptacle? I could not find any data on the connector
6
votes
1answer
97 views

What is inside the LEGO Powered Up M motor?

What is inside the M motor in the new Powered Up system? How is it different from the older Power Functions motor?
1
vote
1answer
47 views

LEGO Power Function PF 2.0 specification

Does anyone have the new Power Function 2.0 specification or pin out?
2
votes
1answer
85 views

Help me identify what set this bag of mostly white tiles and panels belongs to

Can anyone tell me what set this bag belongs to? It could be 2011 but not sure.
2
votes
2answers
44 views

Please help identify what set this bag belongs to

Bag indicates that it was made in 2011.
3
votes
1answer
40 views

Please help identify a set

Help me identify what set this small bag goes to?
4
votes
2answers
57 views

Stacking motors on the Powered Up hub or Boost hub

The way the Boost/Powered Up connectors are designed, it's not possible to have multiple motors on the same output of a hub like it was possible with 9V or Power functions. However, since I only want ...
5
votes
1answer
73 views

Help to identify a small tube part

I'd like some help identifying the black parts circled in the photo.
4
votes
1answer
104 views

Hacking the Bluetooth motor in the motorized LEGO® DC Super Heroes 76112 App-Controlled Batmobile

I'd like to hack the receiver / motor so I can control it from my Mac (or a PC if there is no other way). Recently LEGO released an app-controlled Batmobil - product detailed are here: https://shop....
4
votes
1answer
63 views

How can I find overlapping bricks in LeoCAD?

I've just started using LeoCAD to generate instructions for a model I want to share. I've been able to get it working despite the sparse tutorials. But in looking at my results so far I see that I'...
1
vote
1answer
75 views

Why do I not have the Brick Datalog app in the LEGO Mindstorms EV3 V1.10E firmware?

I realize a similar question has been asked (you can view it here) however mine is slightly different. I have a Lego Mindstorms EV3 Home Set 31313 and due to recommendation, I installed Lego ...
4
votes
1answer
86 views

Stuck on 42066 Air Race Jet model B

I've successfully built model A of the Air Race Jet but with model B I've got stuck on page 7, instruction 8. How do you do that?
3
votes
1answer
124 views

I have a LEGO minifigure and I'm trying to determine the value of it

I have a minifigure and I am trying to determine it's value - I'd like to know whether it's worth holding on to it for longer, or if I would get a reasonable price for it now.
5
votes
1answer
149 views

Can anyone identify what kind of block these are? I have had no luck with Google.

They all link together. I added a normal lego to compare size.
2
votes
3answers
202 views

Identification of rare (?) pieces

Recently, I bought a large LEGO collection in which, during the sorting, I found some pieces I'm completely unable to identify. Moreover, seeing some of them I doubt if they are LEGO at all (could be ...
8
votes
1answer
173 views

Why do some LEGO City vehicles have tiles in their chassis?

While building 60150 Pizza Van, I noticed that the first few steps of building the eponymous vehicle have you place lime green 1x2 tiles in specific positions and black 1x2 plates in others: These ...
4
votes
2answers
156 views

Could you help me identify these vintage bricks with holes in the studs?

I recently got a bulk lot of official Lego pieces from a charity shop. Amongst my treasures I discovered a load of these bricks (about 40 or so). At first I thought they were some of the first Lego ...
3
votes
1answer
69 views

Is it possible to use 5 motors on an EV3 brick?

The EV3 brick has only four output ports (A B C & D) to run motors. Is there any way to use port 1 (sensor port) to control a motor?
0
votes
1answer
25 views

Can I install EV3 Education software and Retail software side by side?

I have EV3 Retail edition and I like to buy required sensors and build the robots come with the education edition of EV3. I have lots of LEGO Technic spare parts so I expect I can find alternate parts ...
0
votes
1answer
51 views

EV3 Ultrasonic Sensor (45504)

I leanred that EV3 Ultrasonic Sensor (45504) is out of stock for a long time. I wonder if the sensor is being discontinued due to accuracy problem? Is there any alternate version of "Gyro Boy" that ...

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