Comparison page

MH-Z19B vs MPU9250

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.

MH-Z19B

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

MPU9250

Projects needing 9-axis IMU and Orientation with a commonly available sensors part.

Specification Matrix

DimensionMH-Z19B MPU9250

CategorySensorsSensors

MakerWinsenTDK InvenSense

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino

Price$15.00 - $30.00$3.00 - $8.00

Known Tradeoffs

MH-Z19B

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

MPU9250

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

Open Individual Model Pages

MH-Z19B

Winsen

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

China-madeSensors80% confidence

MPU9250

TDK InvenSense

9-axis IMU module combining accelerometer, gyroscope, and magnetometer for orientation projects.

China-madeSensors82% confidence