Here is a hack that will let you use some 5v HD44780 LCDs at 3V. On some common LCDs you can short the resistor labeled R7 and interface with the LCD at 3.3V.
Via the forum.
Here is a hack that will let you use some 5v HD44780 LCDs at 3V. On some common LCDs you can short the resistor labeled R7 and interface with the LCD at 3.3V.
Via the forum.