This will only work on specific ESP32 boards that have USB built in. ESP8266 don’t have this. This isn’t the same as a dev board with a USB socket, this is a specific model of ESP32. Report ...

Espressif’s block diagram for the chip. ... It’s listed as USB OTG which raises the possibility of the ESP32 being the host, ... The ESP32-S2 supports USB OTG and WiFi TOF.

There is also USB 2.0 OTG - meaning that the controller works as a USB device and not as a USB host. In addition to the ESP32-C6 radio module mentioned above, Espressif soldered 16 MByte SPI flash ...