Questions tagged [pybricks]

Questions related to Pybricks MicroPython for LEGO MINDSTORMS EV3 and LEGO Powered Up devices.

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5 votes
1 answer

EV3 not recognizing resistance correctly (MicroPython)

I recently tried measuring the resistance of a thermistor using the .resistance() method, the results are sadly not accurate. I measured the resistance with a multimeter and it showed 100kΩ, while the ...
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  • 53
3 votes
1 answer

Why does Pybricks on ev3dev have slow performance compared to EV3-G?

I got MINDSTORMS EV3 for my son and me. We installed Python (ev3dev) and ii seems to be running very slowly. I tried setting up the classic LEGO ev3g (block code), and that seems to run fine. Are we ...
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  • 141
8 votes
1 answer

Help with my Ev3 printer

I'm building an image printer using my ev3 set and several more pieces, as a project to keep me occupied while I'm stuck at home. Here's how it looks: I've done the build part, the way I've chosen to ...
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  • 83
1 vote
1 answer

Why is my EV3 status light pulsing? (ev3dev)

I am using EV3 micropython (ev3dev?). When I upload the below program to my EV3, I see on the screen the usual play button image which looks approximately like the below ASCII art: ...
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6 votes
1 answer

Why doesn't my LEGO Micropython remote control program work?

I am writing an EV3 micropython program meant to test my remote, but it does not work. When I run it, I see no errors at all. Instead, I just see a "play" symbol and the program continuously ...
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2 votes
1 answer

EV3 screen stuck at starting after inserting MicroSD card

I followed the official guide to download microPython and flash it onto an empty MicroSD card (SanDisk Extreme Pro 32GB), but the EV3 screen is now stuck at "Starting" after I insert the MicroSD card. ...
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  • 23
2 votes
0 answers

How do I make a single arm double tap a piano key?

I am trying to make a Lego play piano from ev3, where I have connected two arms to a single motor on either side using Lego elements. Both the arms move counter clockwise to one another (if one plays ...
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