Signal Input/Output
PCF8574 library
Renzo Mischianti <renzo.mischianti@gmail.com>
Most starred PCF8574 library for Arduino (standard and SAMD), Raspberry Pi Pico and rp2040 boards, ESP8266, smt32 and esp32
Most starred PCF8574 library. i2c digital expander for Arduino (standard and SAMD), esp32, Raspberry Pi Pico and rp2040 boards, SMT32 and ESP8266. Can read write digital values with only 2 wire. Very simple to use and encoder support.
Go to repositoryThis library is compatible with all architectures so you should be able to use it on all the Arduino boards.