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What Is Dot Matrix Display:
A dot-matrix display is an electronic digital display device that displays information on machines, clocks and watches, public transport departure indicators and many other devices requiring a simple alphanumeric display device of limited resolution.
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Fig. 1: 24x6 Dot Matrix Notice Board Arrangement
Circuit Simulation:
Fig. 2: Row Driver.
Fig. 3: Colum Driver.
Circuit PCB :
Fig. 4: Bottom Side.
Fig. 5: Top View.
Hardware Implementation :
Fig. 6: Copper Extraction Without Net Line in FeCl3 Solution .
Fig. 7: Copper Net Line .
Here you can find the code
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