Dedicated topic for Modules - Patchbox OS Docs page. This is a companion discussion topic for the original entry at https://blokas.io/patchbox-os/docs/Modules/

I used the command patchbox module install to install the sine-module but it failed and I’m unsure what this means E: Repository ‘http ://raspbian.raspberrypi.org/raspbian buster InRelease’ changed its ‘Suite’ value from ‘stable’ to ‘oldstable’ N: This must be accepted explicitly before updates f…

Try running: sudo apt-get update --allow-releaseinfo-change --fix-missing And retry the previous command.

[image] Giedrius: sudo apt-get update --allow-releaseinfo-change --fix-missing You might want to mention this fix on the startup guide if this is related to the release of Bullseye. Was troubleshooting without finding this and I had to re-flash my SD card. Only on the second rebuild did I fin…

The sine wave module is outputting what’s almost a 440 Hz tone, but it’s off; I’d say it’s around an F4 (349.228 Hz). I’m using the Pi’s onboard headphone jack with the recommended configured settings. There’s also a rhythmic pulsing sound and an extremely high-frequency pitch, it might be picking …

The built-in jack on Pi is based on a PWM wave and is inaccurate and with audible noise, especially if you reduce the volume in alsamixer. Best to get a dedicated audio card. :slight_smile:

Gotcha, I seem to recall reading something about how the differing mains voltages between NA and the UK might account for at least part of the PWM noise? I was planning on grabbing a Pisound either way, but using the headphone out makes for a very compelling marketing campaign, haha Cheers!

The sine-module example seems broken patch@patchbox:~ $ patchbox module install https://github.com/BlokasLabs/sine-module fatal: destination path 'sine-module' already exists and is not an empty directory. Manager: sine-module.module is valid Manager: sine-module.module prepared for installation Ma…

Modules - Patchbox OS Docs - #10 by Giedrius - Patchbox OS

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