Comparison page

ICM-20948 vs PIR HC-SR501

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.

ICM-20948

Projects needing 9-axis IMU and I2C with a commonly available sensors part.

PIR HC-SR501

Projects needing Motion and PIR with a commonly available sensors part.

Specification Matrix

DimensionICM-20948 PIR HC-SR501

CategorySensorsSensors

MakerTDK InvenSenseGeneric

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino, MicroPython

Price$4.00 - $10.00$0.80 - $3.00

Known Tradeoffs

ICM-20948

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

PIR HC-SR501

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

Open Individual Model Pages

ICM-20948

TDK InvenSense

9-axis motion sensor used in newer IMU breakouts with better vendor support than many legacy modules.

China-madeSensors86% confidence

PIR HC-SR501

Generic

Passive infrared motion sensor module used in smart lighting and occupancy detection projects.

China-madeSensors72% confidence