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Input and Output:
- Input: Digital signals from a microcontroller or other controlling device to light up specific segments.
- Output: Displays numbers or symbols by lighting the required segments.
Physical Characteristics:
- Dimensions: Around 30mm x 20mm x 15mm (dimensions may vary slightly by manufacturer).
- Weight: Compact and lightweight.
- Material: Plastic with a clear lens for optimal visibility.
Technical Specifications:
- Forward Voltage: Usually 1.8V to 2.2V per segment.
- Maximum Current: About 20mA per segment.
- Operating Temperature: Generally -20°C to +70°C.
- Storage Temperature: -40°C to +85°C.
Additional Features:
- Durable Construction: Designed for reliability with a sturdy plastic casing.
- High Brightness: Green LEDs ensure good readability.
- Versatile Application: Suitable for various projects like clocks, counters, and display panels.
How to Use:
- Connect Power:
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- . Attach the common cathode pin to the ground (GND). This will power the display and connect all segments’ negative terminals.
- Wire the Segment Pins:
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- . Connect each segment pin (A-G) to a positive voltage supply (e.g., 5V) through current-limiting resistors to prevent damage to the LEDs.
- Control the Display:
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- . Program your microcontroller to supply positive voltage to the segment pins that need to be lit. When a segment pin receives voltage, the corresponding segment lights up.
- Test the Display:
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- . Check each segment and digit by running a test program to ensure correct operation.
- Integrate into Your Project:
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- . Secure the display within your project and ensure all connections are properly insulated.
- . Adjust your programming to display the required numbers or symbols and verify that the display functions as intended.
The 1-inch 1-digit 7-segment green common cathode display offers a clear and effective way to present numerical information. Its simple common cathode design and large digits make it ideal for a variety of applications, ensuring visibility and ease of use in your projects.
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