This very tiny 128×64 Pixel OLED display shows white pixel on a dark blue background. It cooperates through its 4-wire SPI bus capabilities perfectly with any micro controller platform with SPI interface, like for example Arduino ARM. Thanks to its operation and logic level voltage of 3-5V this Display hooks up to any Arduino board without voltage compatibility issues. Library and some sample code available on websites like Adafruit, Github etc. PCB size: 26 x 26 mm. Screen size: 22 x 12 mm (0.96 Inches). Power consumption: <40mW.