- ./cdc-to-websocket/cdc-to-websocket.svg
- STM32F401 firmware: https://github.com/cho45/stm32f401-usbserial-host
IO15 is pulled-up input
- connect to GND: work as station for debug (ID/PASS is set by
idf.py menuconfig
) - open: work as AP
require esp-idf https://docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/index.html#get-started-get-esp-idf
idf.py build
build and flash
idf.py -p /dev/tty.SLAB_USBtoUART flash monitor