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Input and Output:
- Input: Digital signals from a microcontroller or other digital devices. These signals determine which segments of the display are lit.
- Output: Displays numerical values from 00 to 99 by lighting up specific segments of each digit.
Physical Characteristics:
- Dimensions: About 40mm x 20mm x 12mm (varies by design).
- Weight: Lightweight and easy to integrate into various setups.
- Material: Made from durable plastic with a clear or semi-transparent cover to enhance light distribution.
Technical Specifications:
- Forward Voltage: 2.0V to 2.2V per segment.
- Maximum Current: 20mA per segment.
- Operating Temperature: -40°C to +85°C.
- Storage Temperature: -55°C to +100°C.
Additional Features:
- Long-Lasting LEDs: Designed for reliability and long-term use with consistent brightness.
- Versatile Application: Ideal for use in digital clocks, counters, and other electronic displays.
- Straightforward Control: Easily managed with standard microcontroller outputs and basic programming.
How to Use:
- Connect Power:
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- . Attach the common anode pin to a positive voltage supply (e.g., 5V).
- . Connect each segment pin (A-G) to a digital output pin on the microcontroller through a current-limiting resistor.
- Control Segments:
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- . Program the microcontroller to ground the segment pins to light up specific segments.
- . Ensure the correct segments are activated to display numbers from 00 to 99.
- Digit Control:
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- . If using multiple digits, use transistors or multiplexing techniques to manage which digit is active at any time.
- Programming:
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- . Write code for your microcontroller to handle the segment control and number display.
- . Test different numbers to ensure the display shows them correctly.
- Testing:
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- . Verify each digit and segment by displaying various numbers.
- . Check for any issues with segment illumination or connections.
The 0.8-inch 2-digit 7-segment green common anode display offers a practical solution for small-scale digital displays, combining visibility, ease of use, and low power consumption. Its compact design and straightforward wiring make it a versatile choice for a wide range of electronic projects.
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