NewLiquidCrystal hd44780 examples
fm's NewLiquidCrystal library must be installed in order to use these sketches.
The NewliquidCrystal library contains multiple i/o classes.
The examples are broken up into various sub directories for each i/o class
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LiquidCrystal
Contains example sketches that are for LCDs that are wired up directly to Arduino pins. -
LiquidCrystal_I2C
Contains example sketches that are for LCDs connected to a backpack using the i2c PCF8574 i/o expander chip to control the LCD.