0.91 inch OLED module blue OLED 128X32 GND-VCC-SCL-SDA

The 0.91 Inch I2C OLED Display Module 128x32 Blue is a compact and energy-efficient display solution designed for Arduino, Raspberry Pi, STM32, ESP32, Jetson Nano, and other microcontroller-based projects. Featuring a sharp 128×32 pixel resolution with bright blue text on a black background, this OLED module delivers excellent visibility, high contrast, and a wide viewing angle.

Unlike traditional LCD displays, OLED technology does not require a backlight, making it thinner, lighter, and more power-efficient. The self-illuminating pixels produce vibrant colors and clear graphics while consuming very low power. With an I2C/IIC serial interface, this display requires only two communication pins (SDA and SCL), simplifying wiring and saving GPIO pins on your development board.

This 0.91-inch OLED display operates on 3.3V–5V DC supply and supports the default I2C address 0x3C, making it highly compatible with popular development platforms. Its compact PCB size and lightweight design make it ideal for portable electronics, smart devices, wearables, and embedded applications.

Key Features

• 0.91 inch OLED Display Module
• 128×32 pixel high-resolution display
• Bright blue characters on black background
• I2C/IIC communication interface
• Ultra-low power consumption
• Self-illuminating OLED technology
• Wide viewing angle and high contrast
• Compact and lightweight design
• Compatible with Arduino, Raspberry Pi, ESP32, STM32, and Jetson Nano
• Easy integration with development boards

Specifications

• Display Size: 0.91 inch
• Resolution: 128 × 32 pixels
• Supply Voltage: 3.3V – 5V DC
• Interface: I2C/IIC
• Default I2C Address: 0x3C
• Display Color: Blue
• Background Color: Black
• PCB Size: 38 × 12 mm
• Operating Temperature: -40°C to +80°C

Pin Configuration

Applications

• Arduino display projects
• Raspberry Pi user interface
• Smart watches and wearable devices
• Portable health monitoring systems
• MP3 players and handheld devices
• IoT and automation projects
• Sensor data display systems
• Embedded electronics projects

Advantages of OLED Technology

OLED displays offer superior brightness, faster response time, better color quality, and lower power consumption compared to traditional LCD and LED displays. Since OLED pixels emit light individually, no backlight is required, resulting in thinner displays with improved energy efficiency and deeper blacks.

This compact OLED module is perfect for developers, students, makers, and electronics enthusiasts looking to create modern and professional embedded display applications.