GMA21AG75

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GMA21AG75 is a monochrome dot matrix and cluster LED display module which many often used in signage display instructions or bus station indications. It has several applications in various industries including advertisement, equipment indicators and information displays. The module has an overall dimension of 211mm and has a wide operating temperature from 0 ℃ to 50 ℃. This article will discuss the application field and working principle of GMA21AG75.

The Basic Definition of GMA21AG75

GMA21AG75 comes with a one-line-wide dot matrix array of 75 units and each unit is composed of three evenly spaced dots and two clusters. In total, the module has fifty-five clusters which can produce a total of 234 dots. The module also has an operating voltage of 4.75 volts and a current of 1.2 amps. Furthermore, it is equipped with a power driver IC which ensures the LED display has a stable electrical performance and extend its working life.

Applications of GMA21AG75

GMA21AG75 can be widely used for both indoor and outdoor applications. Due to its low power consumption, it can be effectively used for display instructions or indications in public places. Common applications including exhibitions and expositions, signboards and advertisements, electronic product packages and equipment indicators. Additionally, GMA21AG75 can be adopted for industrial displays where instant information and instruction needs to be visible for operators. Furthermore, due to its strong quality, the LED display module can be used in harsh environment including temperature fluctuations, moisture and dust.

Working Principle of GMA21AG75

GMA21AG75 is a light emitting diode display module. The internal working consists of a power driver IC and a total of 55 clusters which consist of 234 LEDs made up of red, green and yellow. All these LEDs emit a bright light when power is applied. The module is operated by a power driver IC which is responsible for regulating current to each LEDs and the power driver IC acts as a communication link between the LEDs and the user. All the instructions and data given to the LEDs is transmitted via the power driver IC and once a message is sent it will appear on the display.

Overall, GMA21AG75 is a monochrome dot matrix and cluster LED display module which can be used for various indoor and outdoor applications. Thanks to its features, it can be adopted for signage display instructions, equipment indicators and advertisement purposes. The module is operated via a power driver IC which ensures that the LED display has a stable electrical performance and extend its working life.

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