Comparison page

DHT11 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.

DHT11

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

SCD30

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

Specification Matrix

DimensionDHT11 SCD30

CategorySensorsSensors

MakerAosongSensirion

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino

Price$0.40 - $1.00$35.00 - $60.00

Known Tradeoffs

DHT11

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

DHT11

Aosong

Low-cost digital temperature and humidity sensor module used in beginner Arduino projects.

China-madeSensors78% confidence

SCD30

Sensirion

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

China-madeSensors86% confidence