Part Number: 2.23 inch OLED HAT 2.23 inch OLED display HAT for Raspberry Pi, 128×32 pixels, SPI/I2C interface This is an OLED display HAT for Raspberry Pi, 2.23 inch diagonal, 128×32 pixels, with embedded SSD1305 driver, communicating via SPI or I2C interface. Trying to add a control interface for your Pi? This compact display would be the ideal choice. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano