Overview: This is a 1.3-inch OLED expansion board for raspberry pi, with a 128x64 resolution and an internal controller that can communicate using SPI or I2C interfaces. Do you need a mini screen for your raspberry pi? Come on, Baby! Features: 1. Based on the standard interface design of for Raspberry pi, it is compatible with for Raspberry Pi 2 generation B/3 generation B/Zero/Zero W. 2. Support 4-wire SPI, 3-wire SPI and I2C three kinds of interfaces. The mode of communication can be selected through resistance. 3. Small size, high resolution, high definition display. 4. Board with a joystick and three pushbuttons, simple and practical. 5. Provide a complete set of supporting materials manual (For Raspberry/For Arduino/STM32 and other sample programs). Specifications: Material: PCB Drive Chip: SH1106 Support Interface: 4-wire SPI, 3-wire SPI, I2C Display Color: Blue Resolution: 128x64 Operating Voltage: 3.3V Size: Approx. 6.5 x 3 cm / 2.6 x 1.2 in Package list: 1 x 1.3 inch OLED Expansion Board 1 x RPi Copper Column Package (2PCS/set)1,Based on the standard interface design of for Raspberry pi, it is compatible with for Raspberry Pi 2 generation B/3 generation B/Zero/Zero W. 2,Support 4-wire SPI, 3-wire SPI and I2C three kinds of interfaces. The mode of communication can be selected through resistance. 3,Small size, high resolution, high definition display. 4,Board with a joystick and three pushbuttons, simple and practical. 5,Provide a complete set of supporting materials manual (For Raspberry/For Arduino/STM32 and other sample programs). Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.