Questions tagged [micropython]
Questions involving the use of the MicroPython programming language. Officially supported by LEGO on the SPIKE Prime hub, but also available for the EV3 devices and potentially other LEGO hubs.
9 questions
4
votes
2
answers
246
views
How to change colour of the bluetooth/charging RGB LED in the hub?
I have the Mindstorms set 51515 - Robot Inventor. I want to display the progress of a robot's work using the LEDs.
How can I change the colour of the RGB LED that the hub uses to indicate the ...
- 41
6
votes
1
answer
812
views
How to use REPL on the 51515 hub?
I've just got access to a 51515 Hub and I tried to connect to it as a serial port (with baudrate 115200), however it's spamming the console with motor/sensor data:
{"m":0,"p":[[62, ...
- 245
3
votes
2
answers
635
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Camera for Spike or Mindstorms for Streaming
I have made a few EV3/Spike robots that can be controlled remotely. They are controlled by either a PS4 controller or using a dashboard I built on a website. I'm running Python on the LEGO. However, ...
- 131
5
votes
1
answer
287
views
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 ...
- 53
2
votes
2
answers
801
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How to get a random value in the Robot Inventor software (Python)
I am making a Python program with the LEGO Robot Inventor software which will, among other things, turn the robot a random amount periodically, which of course requires a random number. However, I ...
- 985
2
votes
1
answer
619
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Spike Prime remote command using screen
I am trying to execute commands using the -X switch on the Spike Prime Hub but all I get is either nothing, or unknown command errors.
Here is what I tried so far:
screen /dev/ttyACM0 -X 'print("...
- 121
1
vote
1
answer
85
views
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:
...
- 985
1
vote
1
answer
2k
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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 ...
- 398
9
votes
1
answer
1k
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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 ...
- 398