This is an OLED display HAT for the Raspberry Pi. It's 2.23inch diagonal, 128×32 pixels, with an embedded SSD1305 driver, communicating via SPI or I2C interface. Trying to add a control interface for your project? This compact display is ideal! Features * Comes with development resources and manual (examples for Raspberry Pi) * Standard Raspberry Pi 40 pin GPIO extension header * Optional interfaces: SPI (default), or I2C, configured via onboard resistor * Brings control pins for host boards such as Arduino/STM32 Resources Product Wiki: www.waveshare.com/wiki/2.23inchOLEDHAT SYMBOL RASPBERRY PI PIN (BCM) DESCRIPTION VCC 3V3/5V Power input GND GND Ground DIN MOSI SPI data input CLK SCLK SPI clock input CS CE0 Chip selection, low active DC P24 Data/Command selection (high for data, low for command) RST P25 Reset, low active Specifications * Driver: SSD1305 * Interface: SPI / I2C * Display size: 2.23inch diagonal * Display color: white * Resolution: 128×32 * Viewing angle: >160° * Power supply voltage: 3.3V/5V * Logic level: 3.3V https://elecena.pl/product/22718554/128-32-2-23inch-oled-display-hat-for-raspberry-pi 2023-03-07 https://elecena.pl/product/22718554/128-32-2-23inch-oled-display-hat-for-raspberry-pi 2023-12-27 https://elecena.pl/product/22718554/128-32-2-23inch-oled-display-hat-for-raspberry-pi 2024-09-19 https://elecena.pl/product/22718554/128-32-2-23inch-oled-display-hat-for-raspberry-pi 2024-11-29 https://elecena.pl/product/22718554/128-32-2-23inch-oled-display-hat-for-raspberry-pi 2024-11-30 https://elecena.pl/product/22718554/128-32-2-23inch-oled-display-hat-for-raspberry-pi 2025-08-05 https://elecena.pl/product/22718554/128-32-2-23inch-oled-display-hat-for-raspberry-pi 2025-11-28 https://elecena.pl/product/22718554/128-32-2-23inch-oled-display-hat-for-raspberry-pi 2025-11-29