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Power:
- Operating Voltage: 5V DC.
- Current Consumption: Around 20mA per segment, with total current depending on how many segments are lit.
Input and Output:
- Input: Digital signals from a microcontroller or similar device to turn segments on or off.
- Output: Displays numbers or characters by illuminating the segments based on the input signals.
Physical Characteristics:
- Dimensions: Approximately 30mm x 20mm x 10mm (dimensions may vary slightly).
- Weight: Lightweight and compact, suitable for various setups.
- Material: Durable plastic with a clear or diffused lens for improved readability.
Technical Specifications:::
- Forward Voltage: between 1.8V and 2.2V per segment.
- Maximum Current: Generally 20mA per segment.
- Operating Temperature: Usually -20°C to +70°C.
- Storage Temperature: -40°C to +85°C.
Additional Features:
- High Visibility: Large digits make it easy to read from a distance.
- Energy Efficient: Low power consumption with bright illumination.
- Simple Wiring: Common cathode configuration makes wiring straightforward by connecting the common cathode to ground.
How to Use:
- Connect the Power:
-
- . Attach the common cathode pin to the ground (GND).
- Wire the Segments:
-
- . Connect each segment pin (A-G) to a current-limiting resistor.
- . Connect the other end of each resistor to the positive voltage supply (VCC).
- Connect Decimal Point (if present):
-
- . If the display has a decimal point, connect the decimal point pin to a current-limiting resistor and then to the positive voltage supply (VCC) if you want to use it.
- Control the Display:
-
- . Use a microcontroller or similar device to send digital signals to the segment pins. Apply voltage to the segment pins to light up the corresponding segments.
- Test the Display:
-
- . Verify each segment lights up correctly and the display shows the intended number or character.
- Integrate into Your Project:
-
- . Secure the display in your project or setup.
- . Double-check all connections to ensure they are stable and correctly configured.
- . Test with your control code to ensure the display operates as expected.
The 1.2-inch 1-digit 7-segment red common cathode display is ideal for projects that need a single, large, and clear number display. Its straightforward wiring and bright red illumination make it a versatile and user-friendly component for various applicationsy.
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