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sensor

BH1750 ambient light sensor (GY-302)

Digital ambient light sensor module built on the ROHM BH1750, reporting illuminance in lux over I²C (address 0x23, or 0x5C with ADDR high). Usually sold as the GY-302 board.

Specifications

SensorROHM BH1750
Range1–65535 lx
InterfaceI²C, 0x23 / 0x5C
Supply3.3–5 V

Projects Using BH1750 ambient light sensor (GY-302)1

whisli sense: ESP32 mmWave presence sensor with climate and light
Illustration
ESP32ESP32-C3
A local presence sensor on a Waveshare ESP32-C3-Zero: an HMMD mmWave radar sees even a person sitting still, plus temperature, humidity and light, a browser panel and optional Home Assistant over MQTT. No licence in the repo.
Intermediate
6 parts listed
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