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Wiring Connections:
- Power:
- VCC: Connect to the 3.3V or 5V power supply (depending on the display’s voltage rating).
- GND: Connect to the ground (GND) pin.
- Data Pins:
- SDA: Serial Data Line for I2C communication.
- SCL: Serial Clock Line for I2C communication.
Power:
- Operating Voltage: 3.3V or 5V, depending on the specific model.
- Current Consumption: low, around 20-30mA during active display, which makes it energy-efficient.
Input and Output:
- Input: Receives data and commands from a microcontroller or development board via I2C.
- Output: Displays text, images, and graphics with high clarity and contrast.
Physical Characteristics:
- Dimensions: Approximately 27mm x 27mm (not including mounting holes or connectors).
- Mounting: Can be mounted on a breadboard or embedded in a project enclosure.
- Connector Type: Usually comes with a pin header for easy connection to a microcontroller.
Technical Specifications:
- Display Technology: OLED for vibrant colors and high contrast.
- Controller: uses controllers like SSD1306 or SH1106.
- Resolution: 128 x 64 pixels, which provides a decent amount of detail for a small display.
- Interface: I2C for simple wiring and communication.
Additional Features:
- No Backlight Required: OLED displays do not need a backlight since each pixel emits its own light.
- Robust Design: Generally robust and durable with a long lifespan.
How to Use:
- Connect the Power:
- Attach the VCC pin to a 3.3V or 5V power supply, depending on your display’s requirements.
- Connect the GND pin to the ground of your microcontroller or development board.
- Wire the I2C Data Pins:
- Connect the SDA pin on the OLED display to the SDA pin on your microcontroller.
- Connect the SCL pin on the OLED display to the SCL pin on your microcontroller.
- Install Necessary Libraries:
- If you’re using an Arduino or similar microcontroller, install the appropriate library for the OLED display (e.g., Adafruit SSD1306 library).
- Libraries for other platforms (e.g., Raspberry Pi, ESP32) can be installed similarly, often via a package manager or by downloading from a repository.
- Write or Load Code:
- Use sample code or write your own to initialize the display and send data to it. This usually involves initializing the display with the library functions and then using commands to draw text or graphics.
- Example code might include commands to clear the display, set text size, and display messages.
- Test the Display:
- Upload your code to the microcontroller and power the system.
- Check the display to ensure that it is showing the expected output, such as text or images.
This 0.96-inch I2C OLED display is a versatile and compact option for adding visual output to your electronics projects. Its high contrast and low power consumption make it suitable for battery-powered devices and compact displays.
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