Azuocn2PCS PCF8575 IO Expander Board Module I2C to 16IO IIC I2C I/O Extension Shield Module 16 bit SMBus I/O Ports for Arduino UNO R3

Description

🔧 Expand Your Creativity with Every Pin!

The Azuocn 2PCS PCF8575 IO Expander Board Module is a powerful I2C to 16 I/O extension shield designed for Arduino UNO R3 and other microcontrollers. With a working current of 100mA and a voltage range of 2.5-5.5V, this module features 16 individually addressable pins that can be configured for input or output, making it ideal for controlling relays, buzzers, buttons, and LEDs. Its customizable I2C address and robust library support ensure seamless integration into your projects.