0.91″ OLED Display 128×32 I2C SSD1306

The 0.91″ OLED Display Module brings crisp, high-contrast visuals to your Arduino, ESP32, ESP8266, or Raspberry Pi projects in a compact footprint. Built around the reliable SSD1306 driver IC, this monochrome display offers a 128 x 32 pixel resolution capable of rendering sharp text, icons, and simple graphics without the need for a backlight. Since each pixel is self-illuminating, the display achieves deep blacks, excellent contrast, and a wide viewing angle exceeding 160 degrees, making it a strong upgrade over traditional character LCDs.

Communication is handled entirely over the I2C (IIC) protocol, meaning only two signal lines (SDA and SCL) are needed to interface with your microcontroller, freeing up valuable GPIO pins for sensors and other peripherals. With just 4 pins (VCC, GND, SCL, SDA), wiring is quick and beginner-friendly, and the module is fully supported by popular libraries such as Adafruit_SSD1306 and U8g2.

This display is ideal for makers, hobbyists, and students building status indicators, sensor readouts, clocks, menu systems, and portable instruments. Its low power draw and wide 3.3V-5V operating range make it compatible with both 3.3V and 5V logic boards, adding to its versatility across different project platforms.

Specification:

• Driver IC : SSD1306
• Display Size : 0.91 Inch
• Resolution : 128 x 32 Pixels
• Interface : I2C (IIC)
• Operating Voltage : 3.3V – 5V
• Display Color : White / Blue
• Module Dimensions : 38 x 12 mm
• Viewing Angle : >160 Degrees
• Operating Temperature : -40°C to 85°C
• Pin Count : 4 Pin (VCC, GND, SCL, SDA)