name=PCF8574 library version=2.2.0 author=Renzo Mischianti maintainer=Renzo Mischianti sentence=Arduino/ESP8266 library for PCF8574 paragraph=Use i2c digital expander with Arduino and ESP8266. Can read write digital values with only 2 wire (perfect for ESP-01). category=Sensors url=https://github.com/xreef/PCF8574_library architectures=*