0.96 inch blue display LED module Module features: 1 High resolution: 128X64 2 Ultra-wide viewing angle: more than 160 ° (maximum viewing angle display a screen) 3 Ultra-low power consumption: Normal display 0.06W (far below the TFT display) 4 Wide supply range: DC 3V-5V (without any changes directly compatible with common 3.3V and 5V power supply system) 5 Industrial grade: Operating temperature range -30 ~ 70 6 Support for multiple operating modes: 3-wire SPI 4 wire SPI IIC 7 With a chip select signal CS you can achieve multiple SPI or IIC devices on the same bus to work 8 Compatible with 3.3V and 5V control chip I / O level (without any set directly compatible) 9 OLED screens inside the driver chips: SSD1306 Pin Description: GND: Power ground VCC: 3.3V or 5V power supply D0: CLK clock D1: MOSI data RST: Reset DC: data / command CS: chip-select signal Applications: 1 smart watches 2 smart car camera image is displayed in real time 3 the battery management apparatus 4 IPC handle 5 MP3 6 feature phones 7 portable medical instrument