![]() Light Emitting Diode is used in Seven Segment Display.Ī seven-segment display is a type of electronic display device for displaying decimal numerals. Which diode is used in seven segment display? Liquid crystal displays (LCDs), LEDs for each segment, or other light-generating or control techniques like cold cathode gas discharge (Panaplex), vacuum fluorescent, and incandescent filaments (Numitron), may be used in seven-segment displays. What other technology can be used to make a 7-segment display? Seven-segment displays are widely used in digital clocks, electronic meters, basic calculators, and other electronic devices that display numerical information. Note: Please refer to the manufacturer-specific datasheet of the display. To download the datasheet of the display, click here. The 7-segment displays are designed for viewing distances up to 7 meters (23 feet). These arrangements of pins in a 7-segment display can be again divided into two categories, i.e., the common anode and the common cathode. So if we are using a 7-segment display we have to connect only 8 pins rather than 14 pins of individual LEDs. The only difference is that instead of connecting two pins of LEDs separately, a seven-segment display has one common pin (anode or cathode). As we connect an LED to the MCU using a series resistor, we can connect a seven-segment display in a similar way. The arrangement of the 7 LEDs in 7 segment displays allows them to display numbers 0 to 9. 7-segment display pinout Types of 7-segment display ![]() ![]() Pin 10 (g) This pin is used to control the ‘g’ led section of the display. Pin 9 (f) This pin is used to control the ‘f’ led section of the display. Pin 8 (Com) Depending on the type of display, this pin is used to connect to Vcc or Ground. Pin 7 (a) This pin is used to control the ‘a’ led section of the display. Pin 6 (b) This pin is used to control the ‘b’ led section of the display. Pin 5 (DP) This pin controls the display’s decimal point LED. Pin 4 (c) This pin is used to control the ‘c’ led section of the display. Pin 3 (Com) Depending on the type of display, this pin is used to connect to Vcc or Ground. Pin 2 (d) This pin is used to control the ‘d’ led section of the display. Description Pin 1 (e) This pin is used to control the ‘e’ led section of the display. The detailed pinout is given in the table below. The last pin is for DP which is Decimal Point. Out of these 10 pins, 7 pins are available to control the seven LEDs, one pin is for the common anode, other is for the common cathode. The seven-segment display consists of 10 pins.
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