ITEM NAME:iic i2c 0.91" 128x32 blue oled lcd display module 3.3v 5v for arduino B.AU.1PCS IIC I2C 0.91"128x32 blue OLED LCD Display Module 3.3v 5v AVR PIC. IIC interface. VCC: Power + (DC 3.3 ~5v). Display Color:blue. SCL: Clock Line. SDA: Data Line.