Current Sensor Breakout (ACS723) Hookup Guide

Contributors:

Resources and Going Further

The ACS723 sensor is ideal if you need to measure a small to moderate amount of current, especially if it's AC current! For more information about the ACS723, check out the links below:

ACS723 Datasheet
SparkFun Current Sensor Breakout - ACS723
SparkFun Current Sensor Breakout - ACS723 (Low Current)

If you don't need electrical isolation and want to measure smaller currents, check out the INA169 Breakout Board. And for even higher power applications, check out the Non-Invasive Current Sensor - 30A.

Non-Invasive Current Sensor - 30A

SEN-11005

$10.95

SparkFun Current Sensor Breakout - INA169

SEN-12040

$11.50

For more power related learning, check out the tutorials below:

Alternating Current (AC) vs. Direct Current (DC)

Learn the differences between AC and DC, the history, different ways to generate AC and DC, and examples of applications.

Measuring Internal Resistance of Batteries

Classroom STEM activity that has students build a battery from a lemon, measure the open and closed circuit voltages, and determine the battery's internal resistance.