This OLED display module, equipped with the SSD1306 main chip, offers vibrant visuals and seamless integration with microcontrollers like Arduino Nano and ESP32. With its compact size, wide operating voltage range, and easy-to-use I2C interface, it's an ideal choice for projects requiring clear and crisp display output. Please note the importance of correctly connecting the power ground (GND) and power supply (VCC) to prevent damage to the display. Specifications for 0.91 Inch I2C SSD1306 OLED Display Module: Model: SH-S091 Screen size: 0.91 inch Interface: IIC (Inter-Integrated Circuit) Main chip: SSD1306 Operating voltage: 3.3V to 5.0V Working Temperature: -30 degrees Celsius to 70 degrees Celsius Display area: 22.384 x 5.584 mm Physical size: 38 x 12 mm Pixel size: 0.159 x 0.159 mm Pixel pitch: 0.175 x 0.175 mm Interface Type: IIC Interface Number of Pins: 4Pin Note: Ensure correct connection, as reversing VCC and GND may damage the OLED display. Package Includes: 1 * 0.91 Inch I2C SSD1306 OLED Display Module