Adafruit PCF8575 I2C 16 GPIO Expander Breakout

Expand your project possibilities!

by Kattni Rembor

published November 02, 2022, last edited January 21, 2025

posted in Adafruit Products Arduino Compatibles CircuitPython STEMMA

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Overhead video of a GPIO expander breakout wired to two LEDs and a microcontroller on a breadboard. A hand presses a button on the bottom of the GPIO expander, individually lighting up the yellow and blue LEDs.

Adafruit PCF8575 I2C 16 GPIO Expander Breakout

Expand your project possibilities, with the Adafruit PCF8575 GPIO Expander Breakout - an affordable 16 channel I2C expander.GPIO expanders...

$5.95

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