ChromeOS not detecting UNO R3 [SparkFun RedBoard qwiic]

Development Tools Cloud Editor
1

Build Details: Google Chrome: Version 132.0.6834.154 (Official Build) (64-bit)
Platform: 16093.78.0 (Official Build) stable-channel octopus
Channel: stable-channel
Firmware Version: Google_Meep.11297.250.0
ARC Enabled: true
ARC: 12899595
Enterprise Enrolled: true
Developer Mode: false
Board details:
SparkFun RedBoard Qwiic [SKU: DEV-15123]

  • ATmega328 microcontroller with Optiboot (UNO) Bootloader
  • CH340C Serial-USB Converter

The board is able to draw power from the laptop and appears to be functional, but the chromebook is unable to see the device whatsoever, checking chrome://usb-internals won't show the board, and the serial popup in the cloud IDE only shows a bluetooth headset.

2

Did you try
chrome://flags/#permissive-usb-passthrough
"Enable more permissive passthrough for USB Devices"

3

It's an enrolled device, I am unable to manipulate flags or view the chrome://flags page.

4

It's Disabled by default. If you could borrow a Chromebook where you could toggle it, and that solves it; then, well: there's your problem.

There's a not-great track record of things like this breaking for a while and then getting fixed, like this

5

Currently attempting to talk with my school tech department about the issue.

6

Switched over to the Chromebook, running 131.0.6778.241 (updated last week maybe?)

#permissive-usb-passthrough is gone from flags

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