Newer iPads come with USB-C ports.
Would it be possible to connect a USB-C CDC device (that is, a USB UART) and use it from an app? What would one need to supply to make this work?
iPadOS CDC device support?
Would it be possible to connect a USB-C CDC device (that is, a USB UART) and use it from an app?
No. iOS has not have any APIs for interacting with serial devices.
If you’d like to see such support added in the future, I encourage you to file an enhancement request describing your requirements. Please post your bug number, just for the record.
Are you building an app that you plan ship via the App Store? Or just playing around? Or something in between?
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—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"