Programming the Adafruit INA219 breakout board is simple using our library:

Install the Library

Open up the Arduino library manager:

Search for the Adafruit INA219 library and install it

We also have a great tutorial on Arduino library installation at:

Load the Example

  • Select "File->Examples->Adafruit_INA219->getcurrent"
  • The "getcurrent" example code should open in a new IDE window.

Run it!

  • Click on the upload button in the IDE.  When it is "done uploading"
  • Open your Serial Monitor and set the speed to 115200 baud.
The output should appear similar to the sample below:

Customize it

You can adapt, expand or modify the example code to suit your project requirements.  For a detailed description of the available library functions, see the Library Reference on the next page:

This guide was first published on Oct 26, 2012. It was last updated on Oct 26, 2012.

This page (Arduino Code) was last updated on May 18, 2021.

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