Questions tagged [mindstorms]

Please use this tag only for general Mindstorms questions and compatibility. If the question refers specifically to the EV3, NXT, or RCX, then use those tags instead.

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22 views

How to dump the firmware from the SPIKE Prime (and Mindstorms v4)?

I'm interested in tinkering with the micropython filesystem and/or firmware in the SPIKE Prime hub and was wondering: How to dump the firmware from the SPIKE Prime hub? Is there an online resource ...
8
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1answer
239 views

How to dump the micropython filesystem from the SPIKE Prime (and Mindstorms v4)?

I'm interested in tinkering with the micropython filesystem and/or firmware in the SPIKE Prime hub and was wondering: How to dump the micropython filesystem from the SPIKE Prime hub? Is there an ...
5
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1answer
315 views

What internal electronics do SPIKE Prime and Mindstorms v4 use?

What electronics live inside the SPIKE Prime hub? How powerful is the hardware?
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1answer
117 views

Is it possible to non-destructively open the SPIKE Prime smart hub?

I'm referring to this part from SPIKE Prime: Note that this is the same hub that will be used in Mindstorms Inventor. There are four Torx screws on the back side that can be accessed by removing the ...
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2answers
89 views

Lego Mindstorms NXT 2.0 brick is not working

Recently, I tried to get my old NXT 2.0 brick fixed. Everything seemed to point to the clicking brick problem, but it turns out not to be the only thing, the brick was also getting hot. After ...
4
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3answers
112 views

Distance Learning Mindstorms web-based software

I am a Technology education teacher from NJ and I use Lego Mindstorms for my 8th-grade robotics class. Since we are doing distance learning (teaching from home) my students have not been able to ...
3
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1answer
98 views

Mindstorms NXT NXC RemoteStopProgram fails compilation

I have two NXT bricks connected and they work together using Bluetooth, sending messages between the two works. The master NXT will start a program on the slave NXT with the RemoteStartProgram ...
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0answers
57 views

How to get Lego Mindstorms EV3 expansion set (45560) programmes in Scratch

I bought recently Mindstorms EV3 expansion set (45560) and found out that the available programs are written in old LabView-style programming language: https://le-www-live-s.legocdn.com/sc/media/files/...
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0answers
123 views

Given program for EV3 Race Car doesn't work, but why?

I have successfully built an EV3 Race Car with instructions from a fan-made book made by Laurens Valk. In the book, he tells how to make my blocks for the rack-and-pinion steering and how to make a ...
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0answers
106 views

Lego Mindstorms EV3 software being detected as Ransomware [closed]

While I was programming my EV3 robot on my Windows 10, the Lego Mindstorms software immediately closed, and then Bitdefender Antivirus said that it was some sort of Ransomware. It was Bitdefender that ...
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0answers
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Lego Mindstorms Software: “Error code: 4”

After updating my EV3 Brick's firmware from V1.09E to V1.10E and reinstalling the Teacher Edition of the Lego Mindstorms EV3 software (even though I'm not a teacher), I decided to recover my Brick's ...
2
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1answer
610 views

Current LEGO Digital Designer download is missing a lot of parts [duplicate]

The current LDD download is missing a lot of bricks that were in version 1.3.11 before. Such as, but not limited to: EV3 motors, sensors and the main EV3 brick. Does anyone have a solution/download ...
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1answer
45 views

EV3 program runs fine when connected to PC but does not respond when copied to the brick

I am building the race car mentioned in the LEGO Mindstorms discovery book using an EV3 brick. The problem I am facing is that the driving program runs fine when the brick is connected to the PC via ...
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1answer
292 views

Is the LEGO Mindstorms Education (not Home, not Scratch based) Edition for Mac OS gone?

I am starting a robotics and programming club with some 9-12 year olds and for the past week I have been developing activities using my Windows version of LEGO Mindstorms (the education / teacher ...
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1answer
112 views

My Mindstorms Spik3r can't turn around

When I use the button for turning it just goes backwards. Why does this happen? I've checked the instructions and didn't find anything.
2
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1answer
60 views

EV3 software with large blocks

I can't seem to find a download for home or education version of EV3 software that has the large white blocks for either macos 10.13 or 10.15 on my imac. Can someone help? I currently have that ...
3
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1answer
62 views

How to restart/reset a program automatically after stop block

I have a program that uses the colour sensor to progress that program. The colours are in a certain order. If the wrong colour is detected, the program stops. I want to restart the program from the ...
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1answer
122 views

EV3 color sensor strangeness

I've run across something very strange with my color sensor when using multiple sensors and multiple nested loops for a sumobot. I have 4 separate loops continuously monitoring the "optical", "...
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1answer
56 views

How to make Spik3r move without the pincers moving

How do you make Spik3r move without the pincers moving as well? Seems like the legs are only controlled by the motor on port B, but the move tank and steer modules only allow for the use of 2 ports. ...
4
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3answers
1k views

Missing parts in a Lego Mindstorms box [duplicate]

Could it be that there are parts missing in a LEGO box? I've a new set of LEGO Mindstorms (reference number 31313) and I'm missing the parts 4499858 4211805 Where could I get them?
3
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1answer
91 views

Chromebook Lego Mindstorms EV3 trouble

I want to make a crane in LEGO Mindstorms EV3 and I've already downloaded the software but as you can see below some coding pieces here are not in the Chromebook version. Should I download the ...
6
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1answer
92 views

What is the use of a single ultrasonic signal?

The EV3 ultrasonic sensor has an advanced mode that includes an option to use single or continuous sensing as described in the Help page: You can choose whether the sensor sends a single ultrasonic ...
2
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1answer
78 views

Advanced mode in EV3 ultrasonic sensor

The EV3 Ultrasonic Sensor has an “Advanced mode" which measures either in centimeters or in inches. When exactly do you use this mode? Why doesn’t the sensor send just a single ultrasonic signal?
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0answers
94 views

Could Microsoft MakeCode be an alternative to the EV3 program?

Is it possible to use Microsoft MakeCode for the EV3 as an alternative to the widely used EV3 program by LEGO? What are the benefits and drawbacks?
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0answers
60 views

Where do I get PDF instructions for LEGO builds that were only in software, like NXT as of 2019?

LEGO Mindstorms NXT 2.0 (8547) stored almost all of its build instructions in the associated software. LEGO no longer supports the software for modern macOS versions. I can not find build instructions ...
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3answers
852 views

Does LEGO no longer support NXT 2.0 at all?

I am running Mac OS X 10.15 (Catalina) and the EV3 software can't detect my NXT 2.0 using USB.
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0answers
51 views

Release date for New LEGO® MINDSTORMS® Education EV3 Classroom? [duplicate]

What is the release date for LEGO® MINDSTORMS® Education EV3 Classroom for New macOS (macOS 10.15 Catalina)?
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0answers
43 views

How to import file to Mindstorm Programmer?

I got a Mindstorm set a year ago and I stumbled across a build which looked really cool! I finished the building part then I downloaded the program file but I couldn’t import it. I have a MacBook ...
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1answer
173 views

BricxCC not seeing Serial Tower in Windows 10

Same problem with both the native 9-pin serial port and with a USB to 9-pin Serial adapter. Using Lego's original cable. Start BricxCC Version 3.3 (Build 3.3.8.10). It asks for the connection ...
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0answers
42 views

T-R3X the look My Block problems [duplicate]

OK I am making the look My block for the T-R3X program but there is this block which don't know how to make at the end of the diagram in the book.
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1answer
189 views

What does this error symbol on the EV3 mean?

I get this error image pop up when I power on my EV3. What does it mean? Also, is there a list of different error codes anywhere, I looked in the User Manual and I could not see anything. Cheers!
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2answers
173 views

Has LEGO ever been used in an assembly line or a manufacturing process?

With LEGO Technic and LEGO Mindstorms becoming ever more sophisticated, I wonder if it has ever been used in a real commercial setting to automate parts of an assembly line or manufacturing / research ...
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1answer
75 views

Is there a way to restart a program with EV3?

I've got a program with a code lock, and I would like the program to restart when you enter the incorrect code. Does anyone know of a way to do that?
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1answer
342 views

How to make a point coordinate system for EV3

I'm trying to make a internal coordinate system for an EV3 Python project I'm doing, but at a complete loss on how to do it. It needs to keep track of how it moves (with wheels) in an X, Y coordinate ...
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1answer
182 views

Run Code From PC

https://www.ev3dev.org/projects/2014/05/09/Python-Rubiks-Cube-Solver/ The other one gives a solution in around 20 steps, but takes around 500 MB of memory, so I need to run it on a computer How do I ...
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2answers
151 views

What does this symbol on the EV3 Brick mean?

I can’t figure out how to get my R3PTAR to open and close it’s mouth to bite. I keep getting this symbol. What does it mean?
3
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1answer
50 views

MindSqualls - can I connect more than one NXT brick using USB?

To access my NXT brick connected via USB with the MindSqualls library, I do the following: var brick = new McNxtBrick(NxtCommLinkType.USB, 0); The 0 is serialPortNr. If I were to buy a second NXT ...
3
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2answers
108 views

What is a color sensor and where do you get it?

I have an NXT but I don’t know how to make it detect colors, all it does is say “wait”. My set includes a light sensor but I heard some YouTube videos say there was a lego “color” sensor. Does LEGO ...
1
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2answers
93 views

Color sensor reliable?

I am experimenting with the light sensor shipped within the mindstorms ev3 package. My Problem is that the bot is standing quiet at one place. Each value returned by sensor is different, although the ...
3
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1answer
99 views

Two motors are driven forward, why are they rotating in different directions?

I have the Lego Mindstorms EV3 Pack and built a simple car with 3 wheels. The back wheels are motorized. When I run the following code: Motor.A.backward(); Motor.D.Backward(); both motors are ...
4
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1answer
250 views

What do I need to connect an old RCX 2.0 to a computer and is it worth compared to just buying a new one?

From a friend I got some Lego, including an old Mindstorms package (RCX 2.0 as I already found out). It's my first time with the Mindstorms "eco system". I already found out that I need some kind of ...
2
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1answer
66 views

Unsure of how to use a switch that is time dependent

Have been trying to make a line follower that can auto-correct itself if it would lose the line. The follower is supposed to turn around, go forward and catch the line if the line has not been ...
3
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2answers
154 views

What exactly does each Mindstorms part do?

It's been a few years since I've bought a Lego Mindstorms NXT 2.0 which comes with the Technic style pieces. There's beams, axles, rods, connectors... but the majority of the times when I'm building ...
6
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1answer
3k views

How to install Firmware 1.10E on an EV3 home/retail edition brick

If and how can you install firmware 1.10E on an EV3 brick from an home/retail edition set (instead of an education set)? Updates 1.0E9 are only recognized from the Mindstorm software, also with ...
7
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1answer
1k views

Capture video stream from LEGO Studio Camera (Logitech USB webcam) in ev3dev?

Once upon a time, LEGO made a digital camera for the LEGO Studios and Mindstorms line. Internally it's an old USB Logitech camera repackaged in a LEGO housing. It could also be used with the old LEGO ...
4
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2answers
502 views

What are some good purist rotacaster / omni wheel designs?

In robotics, rotacasters or omni wheels are often very useful. It's possible to buy LEGO-compatible ones from some third parties, here's one random example: Unfortunately, LEGO has yet to make any ...
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0answers
790 views

Lego EV3 simulator and programming

I've been searching and testing for hours. There is little information on this subject though. I have some specific requirements for a Lego EV3 simulator and programming environment. I do not want to ...
4
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1answer
469 views

Mindstorms Chromebook app Stuck in Zoomed-Out Position

We are using the LEGO Mindstorms app on Chromebooks. Our test program got zoomed-out to the point of being too small to read. The remainder of the screen is normal sized. We've tried using 2 fingers ...
1
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1answer
171 views

Program for NXT golf robot not looping properly

This is what I made: I will put this robot straight in line with the ball I have to make this robot go forward and once it reaches the ball, I have to make it stop and hit the ball with the swing ...
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1answer
175 views

How could I make a golf robot from a LEGO NXT kit?

I want to make a golf robot. It will be placed straight in line with the ball. It will approach the ball and swing. The part where I get confused is how to get it to swing in a left-right motion when ...

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