I2CLCD
HD4470 LCD driver via I2C interface
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Pin assignment is completely free configurable, just set the defines for LCD_D0 ... accordingly Example assignment, working with PCF8574 <-> LCD ---------------------------------------------- P0 <-> RS P1 <-> RW P2 <-> E P3 <-> LIGHT P4 <-> DB4 P5 <-> DB5 P6 <-> DB6 P7 <-> DB7