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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Bazooka blast ev3 Mindstorms using Python

I would like to shoot balls with the ev3 Lego robot. How can I code it using Python? Which components do I need for that and which function and motor use ?
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System.ArgumentException: Only Sequence Wires can be snapped

I try to open an project on last version of LEGO Mindstorm EV3 Home Edition, but the system shows the next error message 'An unexcpected error has ocurred. Please restart LEGO MINDSTORM EV3.' After ...
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How do I rename an EV3 project?

I can rename the program in the Home Edition software but I just can't rename a project. Please tell me how to do it. Thanks!
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2answers
183 views

Mindstorms - want to perform various tasks, but never two of the same in a row (and other restrictions)

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. ...
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1answer
154 views

What is LEGO MINDSTORMS? [closed]

I have heard of LEGO MINDSTORMS, and wondered what it is for the longest time. What is it? What can you do with it?
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1answer
368 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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1answer
216 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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1answer
270 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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1answer
75 views

Mindstorms program - myblocks that work fine when run individually but when executed as part of a larger program, break

We have a line following myblock, which follows the line perfectly if it runs alone. However, if we include it as a block as part of a larger program, it goes haywire when it gets to that step and ...
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2answers
264 views

Programming to get data from EV3 sensor and send it to a server?

I am using EV3 with Linux V1.09 and I am doing a project in which I want to send the sensor data from the EV3 to a remote web server using POST method - is this possible?
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349 views

Getting a PC to recognize Lego Mindstorms as Controller Input

It is quite obvious that you can make a controller out of Lego Mindstorms, but I am curious as to how you can go about connecting this controller to your PC, and getting it to recognize it as ...
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140 views

Use Bluetooth to access NXT display

I'm planning to use NXT to troll my friends, and I want to show something on the screen that I send to it via Bluetooth. To clarify, I want to type it on a computer in another room. Is there a way to ...
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328 views

LEGO Mindstorm NXT memorize 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 end,...
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NXT clicking brick syndrome

I have reviewed the other questions as well as I can and I am not seeing what is wrong with my NXT brick. Purchased second hand. Turned it on, seemed fine then started exhibiting dead brick/clicking ...
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Data logging with a custom sensor like Pixy2 camera

I am trying to use data logging functionality in EV3 LabView using Pixy2 camera, but I get this error when I click on download and run … Unable to compile some documents for deployment: Experiment....
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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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76 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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597 views

Does the Lego Mindstorms EV3 software work on macOS High Sierra?

Will there be issues with the software, or will it work properly on macOS High Sierra? My Mac: Retina MacBook Pro 13", Early 2015
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1answer
2k views

Moving the motor to certain initial position [duplicate]

I was assisting my child in EV3 missions, specifically, the 3rd mission of TRACK3R, the one where the robot has to grab two tires and put them elsewhere. The mission requires to manipulate the Medium ...

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