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changing ev3p file back into an ev3 project file

how do I change an ev3p file into an ev3 project file. Everytime that I click on the ev3p file to open it, it turns up as text in notepad.
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57 views

city miniature for IoT (sensors etc.)

I was looking for a way to build a mini city (scale around 1/35) in a way that would be rather realistic. The objective is to present it on a 1.5m x 1.5m table, where we would simulate some sensors ...
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38 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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33 views

The HiTechnic Color sensor is not detected in the port view in lab view

When I inserted the HiTechnic Color Sensor Block into the Ev3, the Ev3 detected the color sensor. But in my Mindstorms lab view, the HiTechnic color sensor does not appear on the port control. Can ...
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31 views

Lego Event in Fountain Hills arizona

I'm trying to find documentation for a special event that Lego did in Fountain Hills Arizona. I believe it was in the time of lego power miners and the castle series. They had a tent set up and had 4 ...
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1answer
32 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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48 views

Is there any software except SR 3D Builder with the ability to simulate the interaction of gears that doesn't require scripting?

I'm aware that one can do that in LDCad but with scripting. Should I invest my time in learning SR 3D Builder or is there any other option? It's just not a very intuitive software for me but I might ...
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1answer
90 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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38 views

EV3 Brick is Stuck on Red

The EV3 brick started by flashing red. Then started where it is stuck on two red buttons. Have changed batteries, and manual reset with no change.
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38 views

Using switch block with Hitechnic color block

Can I compare the Hitechnic block --> measure --> color output in a switch block? For example, if the Hitechnic color sensor is seeing black, then do something, else do another thing. If not, then how ...
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32 views

Are there any coding platforms for my NXT available for my IPad?

Can anyone tell me any app on the App Store so I can program my NXT? Please let it not be one of those ones that you have to pay or one of those that are just controllers. Thanks for your help.
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41 views

LEGO train 7898 Arduino Library?

So I want to control the green 7898 train with an Arduino, but the library I have installed doesn't support this specific train. My question is if anyone knows a library that does?
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25 views

Transforming Lego PF protocool from philohome to Pronto Hex?

I was trying to transform the Lego PF codes, which are shown in this document, to pronto HEX (a kind of IR code format), but I wasn't able to do that. Does anyone have any idea how to transform this ...
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46 views

EV3 Spinner factory not moving in the right order

We've built a spinner factory going by the original instructions in the Lego Mindstorms EV3 Education Software, and downloaded the program for it onto the bricks, the Spinner factory moves around, the ...
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106 views

Half sized block

I know a standard block is 9.6mm tall and a plate is 1/3 of that at 3.2mm. I found several blocks that are 4.8mm tall or 1/2. What are they called? Are they still made and where can I get some?
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73 views

Please help identify this Ausini piece

The one at the bottom that looks like a rocket head or a projectile tip.
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76 views

Random bags of Legos

I bought a huge lot of Legos. Some in bags but many loose. I have identified a few sets but many are driving me nuts HELP! Some bags have numbers like 632R6 or 733R6
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46 views

LEGO set database with box dimensions

I've been looking around the BrickLink and Rebrickable databases for comprehensive and accurate box dimensions (width, height, depth.) BL's data is questionable and incomplete and RB doesn't have any. ...
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81 views

Looking for what set so I can find instructions

The only info I have is the 5 and the 2011 LEGO group with 135149 on it. Lots of colorful pieces except for a clear rectangle square
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2answers
196 views

Is EV3 Device Manager still active?

Link to https://ev3manager.education.lego.com/ is broken - will this be fixed?
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182 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 ...
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365 views

Loop interrupt stops all loops, not just the one designated

I have been using loop interrupts for a while, and not had an issue... until now. And it is driving me nuts. The program has 2 main loops, titled "touch" and "end" with two more nested in the "touch" ...
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250 views

EV3 low battery communicate right after startup

I just bought EV3 and started having battery problems. I am using 6 NiMH 1.5V batteries for my EV3. They lasted for around 10 minutes of work and went flat (that's what EV3 kept saying but the ...
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1answer
150 views

Has Anyone Ever Reprinted a LEGO Powered Up Connector With A 3D Printer?

Has anyone ever reprinted a LEGO Powered Up connector with a 3D printer? Currently, I'm using a modified SATA adapter for some LED lights on my train.

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