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configurations available
7×5, 8×8, 7×15
An LED dot matrix display consists of a matrix of LEDs arranged in a rectangular configuration. The desired character or graphics can be displayed by switching ON OFF a desired configuration of LEDs. Common display configurations available are 75, 88, 715, etc. LED dot matrix can be used in simple display applications where the resolution is not a big concern. The figure below shows the arrangement of LEDs in a typical 75 dot matrix display.Any individual LED or a group of LEDs in the matrix can be activated by switching the required number of rows and columns.