Which ESP-IDF version is this? If 4.4, there's a known issue that WiFi/BT erroneously kills the USB clock if you haven't have USB-serial-JTAG set as the primary console; we have a fix for that in the pipeline. You should be able to reflash the ESP32C3 by tying GPIO9 low and resetting (or powering ...

I'm trying to connect to a local TCP server (run via netcat), and I am getting spotty connections. Sometimes I am able to connect instantly with:

AT+CIPSTARTEX="TCP","192.168.86.112",1000,0

And other times I get:

ERROR

from the same AT call. Both scenarios are using the same TCP netcat ...