https://docs.ai-thinker.com/en/esp32c3
ESP32-C3_Kit
3528
ESP-C3-32S
dpavlin@nuc:/nuc/esp32/esp-idf/examples$ /nuc/esp32/esptool/esptool.py --port /dev/ttyUSB4 chip_id esptool.py v3.2-dev Serial port /dev/ttyUSB4 Connecting.... Detecting chip type... ESP32-C3 Chip is ESP32-C3 (revision 3) Features: Wi-Fi Crystal is 40MHz MAC: 7c:df:a1:b6:b4:94 Uploading stub... Running stub... Stub running... Warning: ESP32-C3 has no Chip ID. Reading MAC instead. MAC: 7c:df:a1:b6:b4:94 Hard resetting via RTS pin...
dpavlin@nuc:/nuc/esp32/esp-idf/examples$ /nuc/esp32/esptool/esptool.py --port /dev/ttyUSB4 flash_id esptool.py v3.2-dev Serial port /dev/ttyUSB4 Connecting.... Detecting chip type... ESP32-C3 Chip is ESP32-C3 (revision 3) Features: Wi-Fi Crystal is 40MHz MAC: 7c:df:a1:b6:b4:94 Uploading stub... Running stub... Stub running... Manufacturer: 5e Device: 6015 Detected flash size: 2MB Hard resetting via RTS pin...
https://docs.ai-thinker.com/_media/esp32/docs/esp-c3-32s-kit-v1.0_specification.pdf
IO5 is connected to RGB blue lamp beads; IO3 is connected to
RGB red lamp beads; IO4 is connected to RGB green lamp
beads; IO19 is connected to cool color lamp beads; IO18 is
connected to warm color lamp beads;(high level is valid)