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Display Modules - LED Character and Numeric

The SC08-21SRWA is a type of LED character and numeric display module. It is extremely versatile and has multiple purposes with applications that range from industrial to commercial use. This article will discuss the application field and working principle of the SC08-21SRWA LED character and numeric display module.

Application Field:

The SC08-21SRWA LED character and numeric display module is suitable for applications such as LED signage, LED instrument labels, LED instrument numbers and LED name plate applications. Its wide viewing angle makes it ideal for display applications such as product counters, time/date stamping, continuous data/OS display, and data logging.

The SC08-21SRWA is also suitable for light-bar applications such as mobile advertisement, bus informations and transport management. The light weight and simple structure makes it easy to install and maintain in all kinds of applications.

Working Principle:

The SC08-21SRWA is an 8-character numerical display module built with 8 red LEDs. The attention grabbing nature of the red LEDs makes it ideal for applications that require strong visibility. The SC08-21SRWA consists of a 16-pin driver (IC1) controlling 8 red LEDs arranged in a 2 by 4 array. A potentiometer labeled RT can be adjusted for brightness control. The 16 pins of the IC1 defines the functionality of the module.

The IC1 contains 14 input lines that can be connected to microprocessors/micro-controllers. The three output lines are sourced according to the logic levels set by the micro-controller. When the logic 0 is applied to the input pins, an LED is switched off. When the logic 1 is applied to the input pins, the corresponding LED turns on. The LCM contains resistor network in series with each LED to limit the current through each LED.

The SC08-21SRWA module is supplied with +5V single power source. It is only necessary to supply logic 0 or logic 1 to the inputs in order to energize the LEDs. The 8 LEDs form 8 segments that can be individually activated to form a character or symbol. The display modules can be used to display numbers from 0 to 9 and characters from A to Z.

The SC08-21SRWA is a high-reliability device that has a long operational life. Its resistance to noise and environmental effects makes the module suitable for different industrial applications. Also, the device has enhancement features such as luminous intensity, uniformity and low power consumption. The module is also RoHS compliant, making it an environmentally friendly product.

Conclusion

In conclusion, the SC08-21SRWA LED character and numeric display module is a versatile and reliable device suitable for many types of applications. Its wide viewing angle, simple structure, and low power consumption make it a popular choice for display applications. This article has outlined the application field and working principle of the SC08-21SRWA LED character and numeric display module.

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