GMA26881C

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GMA26881C, a chip manufactured by Shanghai Genui Microelectronics Co. Ltd, is a 32-pin, 17*17 LED dot matrix display module. It has a wide range of applications from industrial displays, clocks and watches to automotive displays.

Features of GMA26881C

The GMA26881C is an 8 row x 8 column LED dot matrix display module with a view angle of up to 140 degrees and a luminance of up to 20 mcd/m2. It also features an onboard clock frequency generator and an input voltage of 5 V. Furthermore, it has a built-in auto-adaptive gamma correction, which gives it very good color uniformity and provides plenty of color options in different environments.

Application Field of GMA26881C

GMA26881C is mainly used for high contrast, large viewing angle applications, such as in tablets and mobile phones. It is also commonly used for text and graphics display in automotive displays, industrial displays and clocks, watches, and various other consumer electronics products.

Working Principle of GMA26881C

The GMA26881C LED dot matrix module works by using the light-emitting properties of LEDs. The LEDs are arranged in a dot matrix pattern and each LED can be separately illuminated by supplying current to a respective channel. A display system is constituted by a line interface, a controller and a dot matrix array, wherein the controller serves to selectively control the appropriate drives to the respective input channels of the LED matrix. The controller receives digital data from the data interface and converts it into the corresponding driving signals including the voltage and frequency suitable for the LED dot matrix. By controlling the LED dot matrix appropriately, an image or a text can be formed on the display.

Conclusion

The GMA26881C is a 32-pin LED dot matrix module with an 8 row x 8 column array. It has a wide range of applications from tablets and mobile phones to automotive displays, clocks and watches. Its onboard clock frequency generator and auto-adaptive gamma correction provide plenty of color options and good color uniformity within a wide view angle. It is a very useful display module for various applications.

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