ESP32-C3 with USB
Vendor: Espressif
Features: BLE, WiFi
Source on GitHub: esp32/GENERIC_C3_USB
More info: Website
Installation instructions
Program your board using the esptool.py program, found here.
If you are putting MicroPython on your board for the first time then you should first erase the entire flash using:
esptool.py --chip esp32c3 --port /dev/ttyUSB0 erase_flash
From then on program the firmware starting at address 0x0:
esptool.py --chip esp32c3 --port /dev/ttyUSB0 --baud 460800 write_flash -z 0x0 esp32c3-20220117-v1.18.bin