Comparison page

ACS712 vs ADXL345

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.

ACS712

Projects needing Current and Hall effect with a commonly available sensors part.

ADXL345

Projects needing Accelerometer and I2C with a commonly available sensors part.

Specification Matrix

DimensionACS712 ADXL345

CategorySensorsSensors

MakerAllegro MicroSystemsAnalog Devices

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino, MicroPython

Price$1.00 - $3.00$1.00 - $3.50

Known Tradeoffs

ACS712

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

ADXL345

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

Open Individual Model Pages

ACS712

Allegro MicroSystems

Hall-effect current sensor module used for AC/DC current measurement projects.

China-madeSensors76% confidence

ADXL345

Analog Devices

3-axis digital accelerometer with broad maker library support.

China-madeSensors84% confidence