A library for driving LiquidCrystal displays (LCD) by using the I2C bus and an PCF8574 I2C adapter. There are modules that can be soldered or stacked to the display that offers an I2C interface for ...

The default value is PCF8574. Care should be taken to correctly identify the I2C chip on your device. The different variants do not have the same I2C addresses and it will not work if the incorrect ...