The CP2104 is used to get debug information so is not needed in normal operation. However, the Feather board must be powered using 5V because it powers the USB keyboard via the micro USB connector.

ok, so my cousin and he's friends have this challenge for each other ... convert a USB input device (mouse/keyboard) to bluetooth instead. I think there are some in&out or tacos at stake but mainly ...

wake up sleeping devices, access the BIOS or OS select menu (e.g., GRUB), access devices without Bluetooth interface (e.g., devices in a restricted environment or most KVM switches). Sounds familiar?

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