The green indicator is pulsing. The battery is not connected. I use Windows OS. No new devices appear in the Device Manager. I tried to connect a usb type-c -type-c cable to an android phone, as esp32 devices did before, the phone also did not determine that something was connected to it, although the green indicator on the board was flashing again.
I have a st-link v2 jtag programmer. and I found the swclk swdio nrst and gnd contacts on the board. If there was a firmware for jtag, maybe I could put it there?