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I want to use web serial api in chromium to be able to communicate with Arduino, however I get the message no compatible devices found. When I use Arduino IDE or python I can find it, but with chromium no.

UBUNTU DISTRIB_RELEASE=22.04 Chromium 111.0.5563.64 snap

let port = await navigator.serial.requestPort({});

Is it possible to fix the issue to get all serial ports

I tried to reinstall chromium but no success

Mehdi Coding
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  • related: https://stackoverflow.com/q/68517934 – djvg May 24 '23 at 13:30
  • Possibly caused by this bug, currently open: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1905458 (also see https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1890365) – djvg May 24 '23 at 13:31

2 Answers2

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I had a similar problem installing WLED using Chromium snap on Ubuntu over Web Serial (https://install.wled.me/). I was able to do it by re-configuring Chromium with the command:

sudo snap connect chromium:raw-usb
Jim
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  • for those interested in what `snap connect` actually does: https://snapcraft.io/docs/interface-management and https://snapcraft.io/docs/snap-confinement – djvg May 24 '23 at 13:14
  • and to see existing connections, you can use `snap connections chromium` – djvg May 24 '23 at 13:25
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Please uninstall snap version of Chrome and install from Google Chrome website. I am able to get all ports with this version of Chrome Browser.

utarid
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