Comparison page

MQ-2 vs QMC5883L

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.

MQ-2

Projects needing Gas and Analog with a commonly available sensors part.

QMC5883L

Projects needing China-made and Compass with a commonly available sensors part.

Specification Matrix

DimensionMQ-2 QMC5883L

CategorySensorsSensors

MakerWinsenQST

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino

Price$0.80 - $2.50$0.60 - $2.00

Known Tradeoffs

MQ-2

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

QMC5883L

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

Open Individual Model Pages

MQ-2

Winsen

Low-cost combustible gas sensor module frequently used in beginner gas detection demos.

China-madeSensors68% confidence

QMC5883L

QST

China-made magnetometer often sold as a replacement on HMC5883L-labelled compass boards.

China-madeSensors72% confidence