Universal LCD Module Posted on March 3, 2018March 4, 2018 by BlackBoxAdmin Resolution: 128 x 64 White with blue backlight RS232 and TTL UART control Power: USB or single cell Li-Ion, charger onboard 3.3V, 5V and VBat output on headers 8x GPIO’s 2x LEDs Graphics stored onboard Basic graphics library included Posted in Work.