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LEDs, or Light Emitting diodes, are small electronic components that emit light when electricity is supplied through them. They have a variety of uses, from powering simple indicator lights to controlling complex displays such as modern smartphones.

Among the varieties of LEDs available, Circuit Board Indicators, Arrays, Light Bars, Bar Graphs, are all popular types. Each of these, has a special application field and working principle that makes them uniquely suited for a specific purpose.

Circuit Board Indicators

Circuit Board Indicators are LED lights that are used as status indicators on printed circuit boards. They are usually placed in groups of several indicators, and are activated or deactivated to indicate the status of the board. These indicators typically consume low power, and their small size makes them economical to produce.

LED Arrays

LED arrays are another popular type of LED, and are used for more complex lighting applications. These arrays can be arranged in a variety of shapes, and the number of LEDs in each array can vary dramatically. Most use a single common anode, and all the anodes are connected together to form a single, powerful light source. An array of multiple LEDs can be used to create lighting effects, illuminate objects, or display data.

Light Bars and Bar Graphs

Light Bars and Bar Graphs are a type of LED that creates a line of lighting. A light bar consists of several LEDs that are arranged in a straight line, while a bar graph consists of multiple LEDs arranged vertically. They are used to visualize data or indicate the strength or weakness of signals. Light bars and bar graphs are usually low-power, and they can be found in a variety of colors.

Conclusion

LEDs are highly versatile and efficient components, which are finding increasing application in many aspects of modern life. Circuit Board Indicators, Arrays, Light Bars, and Bar Graphs all have specific applications, and by understanding their working principles, designers can select the appropriate LED types for specific tasks.