UL2004AU3 is a 20x04 OLED (organic light-emitting diode) module made using COG (Chip on Glass) with SMT technology.

Character COG OLED display 20x4 has built-in IC and compatible with ST7066U, and 4 sets of CGROM  (hardware selectable) fonts; English/Japanese, English/ Cyrillic, English/ European I and II.

It come with standard 4/8-bit 6800 series parallel interface and provides option of I2C interface. It can directly replace you 20x04 character LCM.

The module dimension 98.0 x 60.0 mm and active area is 70.42 x 20.82 mm.  

It is available yellow and white options and wide Operating temperatures: -40°C to 80°C.

5.0V single power supply (Typ.)