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Wiring Connections
- Common Anode Pins: Connect to a positive voltage (e.g., 5V).
- Segment Pins: Connect each segment (A to G) of each digit to the microcontroller via current-limiting resistors. Decimal point (DP) connections are optional.
- Pin 1: Segment E (Digit 3)
- Pin 2: Segment D (Digit 3)
- Pin 3: Decimal Point (Digit 3)
- Pin 4: Segment C (Digit 3)
- Pin 5: Common Anode (Digit 1)
- Pin 6: Segment B (Digit 3)
- Pin 7: Segment A (Digit 3)
- Pin 8: Segment F (Digit 3)
- Pin 9: Segment G (Digit 3)
- Pin 10: Segment E (Digit 2)
- Pin 11: Segment D (Digit 2)
- Pin 12: Decimal Point (Digit 2)
- Pin 13: Segment C (Digit 2)
- Pin 14: Common Anode (Digit 2)
- Pin 15: Segment B (Digit 2)
- Pin 16: Segment A (Digit 2)
- Pin 17: Segment F (Digit 2)
- Pin 18: Segment G (Digit 2)
- Pin 19: Segment E (Digit 1)
- Pin 20: Segment D (Digit 1)
- Pin 21: Decimal Point (Digit 1)
- Pin 22: Segment C (Digit 1)
- Pin 23: Common Anode (Digit 3)
- Pin 24: Segment B (Digit 1)
- Pin 25: Segment A (Digit 1)
- Pin 26: Segment F (Digit 1)
- Pin 27: Segment G (Digit 1)
Power
- Supply Voltage: 5V for standard microcontroller operation.
- Current Consumption: Up to 20mA per segment, dependent on the number of segments lit.
Input and Output
- Input: Digital signals from the microcontroller control each segment.
- Output: Numeric display ranging from 000 to 999, depending on which segments are illuminated.
Physical Characteristics
- Dimensions: Approximately 19.05 mm x 50.8 mm x 7.62 mm
- Material: Plastic body with a clear epoxy layer protecting the LED segments.
- Pin Count: 27 pins
Technical Specifications::
- Luminous Intensity: 80 to 120 mcd per segment
- Forward Current: 20mA (max) per segment
- Forward Voltage: 1.8V to 2.2V per segment
- Segment Type: LED
Additional Features
- Energy-Efficient: Consumes low power while delivering high brightness.
- Multiplexing Capability: Easily multiplexed with additional circuitry or microcontroller programming to display more complex information.
- Flexible Usage: Suitable for a wide range of applications, from simple numeric displays to more complex readouts in embedded systems.
How to Use
- Step 1: Connect the common anode pins (Pin 5, Pin 14, and Pin 23) to a 5V power supply.
- Step 2: Use current-limiting resistors (220Ω to 1kΩ) between the microcontroller’s output pins and each segment pin (A to G) to protect the LEDs from overcurrent.
- Step 3: Write a program on your microcontroller to control the segments. You can display any number from 000 to 999 by controlling which segments are lit up.
- Step 4: If using multiple digits, implement multiplexing in your code to control the display efficiently.
This 0.56 Inch 3 Digit 7 Segment Red Common Anode Display is an ideal choice for creating bright and easily readable numeric displays in your electronics projects. Whether you’re building a clock, timer, counter, or any other numeric display, this module is versatile, durable, and straightforward to use.
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