That interface doesn’t have to be special, and [Dakhnod] is here to show us that it can be done with an ESP32 microcontroller through its USB interface. The linked repository doesn’t tell us ...
The ESP32-S3 takes the ESP to a new level, packing as it does more I/O, onboard USB, and an updated version of the two Tensilica cores alongside Bluetooth version 5. It’s still an ESP32, ...
CapibaraZero open-source firmware offers a low-cost alternative to Flipper Zero for ESP32-S3 hardware such as the LilyGO T-Embed CC1101.