Comparison page

BH1750 vs SCD30

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

BH1750

Projects needing Light and I2C with a commonly available sensors part.

SCD30

Projects needing CO2 and Humidity with a commonly available sensors part.

Specification Matrix

DimensionBH1750 SCD30

CategorySensorsSensors

MakerROHMSensirion

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino

Price$0.80 - $2.50$35.00 - $60.00

Known Tradeoffs

BH1750

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

SCD30

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

Open Individual Model Pages

BH1750

ROHM

Digital ambient light sensor module with a simple I2C interface.

China-madeSensors82% confidence

SCD30

Sensirion

CO2, temperature, and humidity module used for higher-quality indoor air monitoring.

China-madeSensors86% confidence