Details 1.5inch OLED display Module, 128x128 pixels, 16 gray scale, SPI/I2C interface 1.5inch OLED Display Module Embedded SSD1327 driver chip, SPI / I2C Communication Comes with examples for Raspberry Pi, Arduino, STM32, etc. Features at a glance Ultra-narrow bezel, conpact size, with onboard voltage translator Adopts 4-wire SPI and I2C interfaces, better compatibility, fast data rate Comes with online development resources (examples for Raspberry Pi/Arduino/STM32) Specifications Operating voltage 3.3V / 5V DISPLAY PANEL OLED Resolution 128 × 128 pixels PIXEL SIZE 0.185 × 0.185mm Communication Interface 4-wire SPI / I2C Driver SSD1327 Display size 26.86 × 26.86mm Module size 44.5 × 37.0mm Control Interface VCC Power (3.3V / 5V input) GND Ground DIN Data input CLK Clock input CS Chip selection, low active DC Data/Command selection (high for data, low for command) RST Reset, low active Hardware connection connecting with Raspberry Pi via SPI interface connecting with Arduino board via SPI interface Usage Example for reference only, the STM32 board is NOT included. Product Show Outline dimensions