PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For arduino

PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For arduino

Features:

Available library: PCF8575

Working voltage: 2.5 – 5.5VDC

Working current: 100mA(MAX)

I2C address: 0x20(default),can be modified by soldering A1 and A2 selection pads.

16 individually addressable pins.

Each pin configurable for input or output

Open-drain interrupt output pin for input change interrupt.

Great for other MCU to control simple relay, buzzer, button, led.