Grove TCS34725 with ESP32: RGB Color Sensor Guide

ESP32S Wiki: https://esp32s.com/wiki/grove-tcs34725-esp32-color-sensor/

Arduino-ESP32 3.3.0 compile check; no physical bench test.
Board profile: esp32:esp32:esp32c3:CDCOnBoot=cdc
Libraries: Adafruit TCS34725 1.4.4, Adafruit BusIO 1.17.4

Read the guide before wiring.
