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.

This project can convert USB only Keyboard to a Bluetooth LE keyboard. It needs ESP32-S3 (not S2) becacuse this SOC supports both BLE and USB host function. This ...

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 ...