https://manpages.ubuntu.com/manpages/resolute/man4/cp2112.4freebsd.html
Ubuntu Manpage: cp2112 - driver for a USB GPIO and I2C peripheral device
driver for a USB GPIO and I2C peripheral device
usb gpioperipheral deviceubuntumanpagedriver
https://community.home-assistant.io/t/available-gpio-pins-on-cyd-version-3-w-2-usb-ports/1008725
Available GPIO pins on CYD (version 3 w/ 2 USB ports) - ESPHome - Home Assistant Community
May 2, 2026 - I have version 3 of the CYD with 2 USB ports and wonder which ports / pins I can use for software UART (gps module) and I2C (temperature / humidity module) . I...
home assistant communitygpio pinsavailablecydversion