A 128x32 high-resolution blue display with IIC/I2C interface for easy communication with Arduino, ESP32, Raspberry Pi, STM32, and other microcontrollers. With low power consumption and sharp contrast, this compact OLED screen is perfect for displaying text, graphics, sensor data, and system information in DIY electronics and embedded projects. Features: 0.91-inch blue OLED display 128x32 high-resolution output IIC/I2C interface for simple wiring High brightness and clear contrast Low power consumption Compact and lightweight design Specifications: Display Size: 0.91 Inch Resolution: 128 × 32 Pixels Display Color: Blue Interface: IIC / I2C Driver IC: SSD1306 (commonly used) Operating Voltage: 3.3V – 5V DC Viewing Angle: Wide viewing angle Application: Arduino projects, IoT displays, sensor monitoring, robotics, embedded systems, DIY electronics