Comparison page

HC-SR04 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.

HC-SR04

Projects needing Distance and Ultrasonic with a commonly available sensors part.

QMC5883L

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

Specification Matrix

DimensionHC-SR04 QMC5883L

CategorySensorsSensors

MakerGenericQST

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino

Price$0.80 - $2.00$0.60 - $2.00

Known Tradeoffs

HC-SR04

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

HC-SR04

Generic

Classic ultrasonic distance sensor module used in robotics obstacle detection and beginner projects.

China-madeSensors78% confidence

QMC5883L

QST

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

China-madeSensors72% confidence