LED
LCD
0.91 Inch I2C OLED Display | 128×32 Pixels | Blue
Product Overview
The 0.91″ Blue OLED Display from Pro Tronix is a compact and efficient solution for displaying text, icons, and basic graphics. Unlike traditional LCDs, OLED technology doesn’t require a backlight; instead, each individual pixel emits its own light. This results in incredibly deep blacks, high contrast, and significantly lower power consumption.
With only four pins (VCC, GND, SDA, SCL), it integrates seamlessly with any microcontroller that supports I2C (IIC), such as the Arduino Nano, ESP32, or STM32. Its slim, elongated “strip” form factor makes it ideal for mounting on narrow surfaces or inside small project enclosures.
Technical Specifications
| Feature | Specification |
| Screen Size | 0.91 Inch |
| Resolution | 128 x 32 Pixels |
| Display Color | Blue |
| Interface | I2C (IIC) |
| Driver IC | SSD1306 |
| Operating Voltage | 3.3V – 5V DC |
| Viewing Angle | > 160° |
| I2C Address | 0x3C (Typical) |
| Supplier | Pro Tronix |
Key Features
Self-Illuminating Pixels: No backlight needed, providing excellent visibility even in dark environments and a wider viewing angle than standard LCDs.
Low Power Consumption: Extremely energy efficient, making it the perfect choice for battery-powered or portable electronics.
Simple 4-Pin Interface: Communicates via just two data lines (SDA/SCL), leaving your other I/O pins free for sensors and peripherals.
Compact Design: The small footprint allows for professional-grade displays in tiny devices like smartwatches or USB testers.
Common Applications
Wearable Tech: Displaying step counts, heart rate, or notifications on compact fitness trackers.
IoT Monitoring: Showing real-time temperature, humidity, or Wi-Fi signal strength for smart home nodes.
Diagnostic Tools: Integrated screens for portable multimeters or battery capacity testers.
Gaming & Hobbyist Projects: Adding a HUD (Heads-Up Display) or menu system to mini-retro consoles and robots.
