Package Included

- 1 x PCF8575 IIC I2C to 16-Bit I/O Expander

Description:

- Chip: 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

Reference

• https://www.instructables.com/PCF8575-i2c-16-Pins-Digital-IO-Expander-Fast-Easy-/
• https://learn.adafruit.com/adafruit-pcf8575?view=all