Have you run out of I/O pins? This great IC allows the user to expand up to 16 I/O using only two I/O for control! The PCF8575C is controlled through an I2C interface and features 16-bits of quasi-bidirectional input/output pins. Checkout the datasheet for more info!

Features:

• 16 individually addressable pins
• Each pin configurable for input or output
• Interrupt output pin

Documents:

• PCF8575C Information Page
• PCF8575C Datasheet
• Example I2C Project
• Example AVR code

Dimensions: 1.3x1.3"