OLED Display I2C 4 Pin 1.3 in soldered
📺OLED Display I2C 4 Pin 1.3 in soldered
✅ Key Features
🔵 Clear blue monochrome display
🧩 I2C interface (only 2 data pins needed!)
💡 Extremely low power consumption
📦 Compact size – perfect for wearable or portable projects
🔄 Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, STM32
🖥️ Works with Adafruit SSD1306 & U8g2 libraries
🛠️ Typical Wiring (with Arduino Uno)
| OLED Pin | Arduino Uno Pin |
|---|---|
| VCC | 5V |
| GND | GND |
| SCL | A5 |
| SDA | A4 |
For ESP32: SCL = GPIO 22, SDA = GPIO 21 (default)
🎥 YouTube Tutorial
Step 1: Install Required Libraries
Open Arduino IDE
Go to Sketch → Include Library → Manage Libraries
In the Library Manager, search and install:
✅ Adafruit SSD1306
✅ Adafruit GFX Library