7 Segment LED Displays
A 7-segment display is a type of electronic display device which is simple to drive and has a low power consumption, It is commonly used to display numerical information. It consists of seven individual segments that can be illuminated to create numerical digits.
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Buy 7 Segment LED Display
A 7-segment display consists of seven LEDs arranged in a rectangular pattern, with each LED forming part of a digit. When connected together, an 8th LED is sometimes included for a decimal point (DP). Each LED segment is labeled from a to g, and all share a common pin.
By controlling specific LEDs, the display can show digits 0 to 9. There are two types of 7-segment displays: Common Cathode (CC) and Common Anode (CA). They're commonly used in devices like digital clocks, calculators, and electronic meters.
Price Chart of 7 Segment LED Displays in India
7 Segment Display type | Price |
| Rs. 59/- | |
| Rs. 8/- | |
| Rs. 12/- | |
| Rs. 99/- | |
| Rs. 2268/- | |
| Rs. 227/- |
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1. How does a 7-segment display work?
Light Emitting Diodes (LEDs) are used in seven-segment displays to emit light energy in the form of photons. The production emits light in all seven segments to display digits, with the eighth segment serving as a decimal point.
2. Why it is called as 7-segment?
The 7-segment display, also known as the "seven-segment display," is made up of seven LEDs (hence the name) arranged in a rectangular pattern, Each of the seven LEDs is referred to as a segment because, when illuminated, it forms part of a numerical digit (both Decimal and Hex) to be displayed.
3. What are the advantages of a 7-segment display?
The advantages of 7 Segment display are :
- It only contains LEDs,
- The entire 7-segment display module is very inexpensive.
- 7 segment displays in general, are extremely efficient.
- The heat dissipated by these displays is very low, which extends the life of the devices.
4. What is a common cathode?
The term "common cathode" refers to the fact that the cathodes of all LEDs are connected to a single pin. Each LED's anode has its own pin. So driving one of these entails sending a current from the desired segment's anode (positive) pin to the common cathode pin.
5. How many pins are in a 7-segment display?
A seven-segment display is a ten-pin electronic circuit. Eight of the ten pins are LED pins, which are left unconnected. Two pins in the middle are common pins that are internally shorted. Seven segment displays can be classified as a common cathode or common anode depending on whether the common pin is a cathode or anode.
6. What is common anode?
The term "common anode" refers to the fact that the anode (positive) side of all LEDs is electrically connected at one pin, while each LED cathode has its own pin. To turn on any particular segment, a current must be run from the common anode (positive) pin to the cathode (negative) pin for the desired segment.