0.91 inch 128?32 Blue OLED Display Module offers 128?32 pixel resolution. They are featuring much less thickness than LCD displays with good brightness and also produce better and true colors.
This OLED Display Module is very compact and will add a great ever user interface experience to your Arduino project. The connection of this display with Arduino is made through the I2C(also called as IIC) serial interface.
The 0.91 inch 128?32 Blue OLED Display Module produces blue text on black background with very good contrast when supplied with DC 2.8V supply. The OLED Display Modules also offers a very wide viewing angle.
GND: Power Ground
VCC: Power (DC 3.3 ~5v)
SCL: Clock Line
SDA: Data Line