Current Sensor Breakout (ACS723) Hookup Guide

Contributors: AGlass0fMilk, Eroc

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
  • Schematic (PDF)
  • Eagle Files (ZIP)
  • GitHub Repo
• SparkFun Current Sensor Breakout - ACS723 (Low Current)
  • Schematic (PDF)
  • Eagle Files (ZIP)
  • GitHub Repo

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.

SparkFun Current Sensor Breakout - INA169

SEN-12040

The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positi…

$13.93

Non-Invasive Current Sensor - 30A

SEN-11005

This non-invasive current sensor (also known as a "split core current transformer") can be clamped around the supply line of …

$15.95

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

Or check out this blog post relacted to the ACS723.