Interface GND GroundVCC Power 2 8V 5 5V D0 ClockD1 DataRES ResetDC Data CommandCS Chip SelectionFeature Neednt backlight the display unit can self luminousHigh resolution 128 64Viewing angle 160 Supports many control chip Fully compatible with 51 Series MSP430 Series STM32 2 IC etc Ultra low power consumption full screen lit 0 08WVoltage 3V 5V DCWorking Temperature 40℃ 70 ℃Module Size 27 3 x 27 8 x 3 7mmIIC SPI Interface need 4 IO only Driver IC SSD1306What is OLED OLED Organic Light Emitting Diode is a self light emitting technology composed of a thin multi layered organic film placed between an anode and cathode In contrast to LCD technology OLED does not require a backlight OLED possesses high application potential for virtually all types of displays and is regarded as the ultimate technology for the next generation of flat panel displays The use of OLED technology has the following advantages 1 A simplified manufacturing process compared to TFT LCD See comparison of Picture 1 and Picture 2 below 2 Self emitting light in contrast to the required backlight for TFT LCD3 High luminosity4 Lightweight and thin less than 2 mm 5 Low operating voltage and power consumption6 Wide range of operating temperatures 40℃ to 85℃ Note If you decide to buy OLED display you must confirm that you can make it work by yourself well havent any technology support except all the datasheet Thanks for your understanding and support Package incl