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Input and Output:
- Input: Digital signals from a microcontroller or similar device, which control which segments light up.
- Output: Displays numbers or symbols by lighting up specific segments in each digit.
Physical Characteristics:
- Dimensions: Approximately 50mm x 30mm x 15mm (dimensions may vary slightly by manufacturer).
- Weight: Compact and lightweight.
- Material: Made from plastic with a clear lens for visibility.
Technical Specifications:
- Forward Voltage: About 1.8V to 2.2V per segment.
- Maximum Current: Approximately 20mA per segment.
- Operating Temperature: Usually -20°C to +70°C.
- Storage Temperature: -40°C to +85°C.
Additional Features:
- Durable Construction: Built for longevity with a strong plastic casing.
- Bright Green Display: High-intensity LEDs ensure clear readability.
- Versatile Usage: Suitable for applications like digital clocks, counters, and measurement displays.
How to Use:
- Connect Power:
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- . Attach the common cathode pin to the ground (GND). This powers the display and connects all segments’ negative terminals to the ground.
- Wire the Segment Pins:
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- . Connect each segment pin (A-G) of both digits to digital output pins on your microcontroller.
- . Include current-limiting resistors in series with each segment pin to prevent damage to the LEDs.
- Control the Display:
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- . Program your microcontroller to apply a LOW signal (ground) to the segment pins for the digits you want to display.
- . Ensure the correct segments are lit up to form the numbers or symbols.
- Test the Display:
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- . Check each digit and segment by programming different numbers and verifying the display.
- . Adjust connections and programming as needed to ensure correct operation.
- Integrate into Your Project:
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- . Place the display in a visible location within your project.
- . Secure all connections and ensure the display functions as intended in your application.
The 1-inch 2-digit 7-segment green common cathode display is ideal for projects where clear, large numeric displays are needed. Its easy wiring and bright green LEDs make it a practical choice for various electronic applications.
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