ESP32-LightSensor/README.md

ESP32-LightSensor

A simple light sensor for use in HomeAssistant. Built on a Xiao ESP32C3 with a Adafruit BH1750 sensor

https://wiki.seeedstudio.com/XIAO_ESP32C3_Getting_Started/

https://learn.adafruit.com/adafruit-bh1750-ambient-light-sensor/arduino

The bh1750 is soldered to the 3v output on the ESP32 (red), ground is soldered to ground (black). The SCL (yellow) is soldered to D5 on the ESP32. SDA (green) is soldered to D4 on the ESP32.