Adafruit PCF8574 I2C GPIO Expander Breakout
Adafruit Industries, LLC mail
Expand your project possibilities, with the Adafruit PCF8574 GPIO Expander Breakout - an 8 channel I2C expander. It has 8 I/O pins, three I2C address select jumpers mean up to 8 expanders for 64 total pins, each pin can be an input or an output, and IRQ output to notify you of input pin changes.This IO expander uses a 4-pin Sparkfun Qwiic-compatible connector called STEMMA QT, which allows it to communicate over I2C without soldering.Click the link labeled 'Project Website' to find out more.
Version
Rev BLicenses
Project Type
Electronics
