https://docs.espressif.com/projects/esp ... umentation
ESP32-S2 support is currently a preview and does not support all features. Espressif firmware developers are working hard on the remaining support, so please update the master branch regularly to receive the latest code.
The integrated USB OTG peripheral is not supported
Documentation not updated for ESP32-S2 in most places
Peripheral drivers and power saving modes are a work in progress
No hardware security features or cryptographic accelerator support
Time-of-Flight (TOF) measurements with normal Wi-Fi packets is not supported