![Adafruit MCP2221A Breakout - General Purpose USB to GPIO ADC I²C - Stemma QT / Qwiic - Adafruit Industries LLC - Evaluation Boards - Expansion Boards, Daughter Cards | Online Catalog | DigiKey Electronics Adafruit MCP2221A Breakout - General Purpose USB to GPIO ADC I²C - Stemma QT / Qwiic - Adafruit Industries LLC - Evaluation Boards - Expansion Boards, Daughter Cards | Online Catalog | DigiKey Electronics](https://media.digikey.com/Photos/Adafruit%20Industries%20LLC/MFG_4471.jpg)
Adafruit MCP2221A Breakout - General Purpose USB to GPIO ADC I²C - Stemma QT / Qwiic - Adafruit Industries LLC - Evaluation Boards - Expansion Boards, Daughter Cards | Online Catalog | DigiKey Electronics
GitHub - nwoki/usb-notifier: A Qt/C++wrapper around libusb in order to easily detect usb device attach/detach actions
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