Arduino library for Adafruit PCF8574 & PCF8575 GPIO expander
Why do you think that https://github.com/jmparatte/jm_PCF8574 is a good alternative to Adafruit_PCF8574
Arduino library for Adafruit PCF8574 & PCF8575 GPIO expander
Why do you think that https://github.com/jmparatte/jm_PCF8574 is a good alternative to Adafruit_PCF8574