https://docs.ai‑thinker.com/en/esp32c3 
ESP32‑C3_Kit
 3528
ESP‑C3‑32S

Contents: [Dobrica Pavlinušić's random unstructured stuff]
• Dobrica Pavlinušić's random unstructured stuff (chip_id) 
• Dobrica Pavlinušić's random unstructured stuff (flash_id) 
• Dobrica Pavlinušić's random unstructured stuff (module info) 
• Dobrica Pavlinušić's random unstructured stuff (Wiring of onboard lights) 

chip_id
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...

flash_id
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...

module info
https://docs.ai‑thinker.com/_media/esp32/docs/esp‑c3‑32s‑kit‑v1.0_specification.pdf 
Wiring of onboard lights
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）