Pin definition and Rating A0: Buttons D4: LCD bit 4 D5: LCD bit 5 D6: LCD bit 6 D7: LCD bit 7 D8: LCD RS D9: LCD Enable LCD backlight with current limiting, brightness and on/off controllable by D10. Mechanic Dimensions Usage The 16x2 LCD And Keypad Shield is very simple to use because it's fully compatible with the Arduino "LiquidCrystal" library. You can initialise the LCD and display messages o

