arduino › sensor module
rohm ROHM BH1750 Ambient Light Sensor
Calibrated lux output with no math required (unlike LDR). Two addresses via ADDR pin (0x23 / 0x5C). Cheaper than TSL2591 and sufficient for indoor light-level monitoring.
Specifications
- interface
- i2c
- voltage v
- 3v3_or_5v
- i2c address
- 0x23
- library arduino
- BH1750
- accuracy
- +/-20%
- range
- 1-65535 lux
- pin count
- 4
Sources
- SparkFun open product catalog · ingest 2026-05-06