Comparison page

INA226 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.

INA226

Projects needing Power monitor and I2C with a commonly available sensors part.

PIR HC-SR501

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

Specification Matrix

DimensionINA226 PIR HC-SR501

CategorySensorsSensors

MakerTexas InstrumentsGeneric

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino, MicroPython

Price$2.00 - $6.00$0.80 - $3.00

Known Tradeoffs

INA226

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

INA226

Texas Instruments

Higher-resolution I2C current, voltage, and power monitor for embedded power profiling.

China-madeSensors84% confidence

PIR HC-SR501

Generic

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

China-madeSensors72% confidence