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7 Segment Led Display (Common Anode)

7 Segment Led Display (Common Anode)

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  • This is the 7-Segment Led Display (Common Anode)
  • This 7-Segment Led Display is simple and easy to interface with a microcontroller
  • Sample Codes and libraries are available for all popular microcontrollers
  • This has high Light Intensity Output and offers the best viewing experience compared to LCD Displays
  • These displays are the cheapest displays available

7 Segment Led Display (Common Anode)

7 Segment Led Display (Common Anode), is a form of an electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays.

The Common Anode (CA) - In the common anode display, all of the LED segment anode connections are connected to logic "1." Individual segments are illuminated by applying a ground, logic "0" or "LOW" signal to the Cathode of the specific segment via a suitable current limiting resistor (a-g). Common anode displays are more popular in general because many logic circuits can sink more current than they can source. Also, a common cathode display is not a direct replacement in a circuit for a common anode display, and vice versa, because it is equivalent to connecting the LEDs in reverse, and thus no light emission occurs. The specific set of LEDs is forward biased depending on the decimal digit to be displayed.

Seven-segment displays or ( 7 segment displays) are widely used in digital clocks, electronic meters, basic calculators, and other electronic devices that display numerical information. If you want to use 7 Segment Led Display in your Arduino project, then you will need a few components like breadboard , jumper wires , resistors , capacitors and transistors.

Package Includes:

  • 1 x 7 Segment Led Display (Common Anode)


Device type Seven Segment Display
Display type LED Display
Pin number 10
Pin type DIP
Dimension 19mm x 12mm x 7mm
Weight  5 grams

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  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
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  • Refunds are processed within 3-4 working days post inspection and approval.

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1. What is a common anode 7-segment display?

  • LED 7-segment displays are classified into two types: common cathode (CC) and common anode (CA) (CA). The difference between the two displays is that the common cathode connects all of the cathodes of the seven segments directly together, whereas the common anode connects all of the anodes of the seven segments together.

2. How do you know if a 7-segment is anode or cathode?

  • Put your multimeter's black lead on pin 3 or 8. Both are common pins as they are internally connected. Now connect the red lead of your metre to any other pin, such as 1 or 5. If any of the display's segments glow then the display is a common cathode

3. What is a common anode display?

  • The Common Anode (CA), In the common anode display, all the anode connections of the LED segments are joined together to logic “1”. Individual segments are illuminated by applying a ground, logic "0" or "LOW" signal to the Cathode of the specific segment via a suitable current limiting resistor (a-g).

4. How does a 7 segment LED display work?

  • A 7 segment display consists of seven distinct illuminating segments. These are arranged in a way to form numbers and characters by displaying different combinations of segments. These seven segments are used to display binary data.

5. Which is better common anode or cathode?

  • The common anode is the most commonly used of the two because logic circuits can sink more current than the source.