PCF8575 I2C 16-Bit I/O Expander
Расширитель портов
- available library: PCF8575
- Working voltage: 2.5 - 5.5V DC
- 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 UNO R3 and other MCU to control simple relay, buzzer, button, led.
- Size: 4x2.1cm