Comparison page

AHT10 vs MH-Z19B

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.

AHT10

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

MH-Z19B

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

Specification Matrix

DimensionAHT10 MH-Z19B

CategorySensorsSensors

MakerAosongWinsen

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino

Price$0.50 - $1.50$15.00 - $30.00

Known Tradeoffs

AHT10

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

MH-Z19B

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

Open Individual Model Pages

AHT10

Aosong

I2C temperature and humidity sensor commonly sold as a compact low-cost breakout.

China-madeSensors76% confidence

MH-Z19B

Winsen

NDIR CO2 sensor module commonly used in indoor air quality projects.

China-madeSensors80% confidence