I tested the feasibility of LEDs, I made 8 X 11 led dot matrix controlled through dip switches. As a simple test, I used dip switch instead of micro controller. I thought I could control each LED with the corresponding switch. But it didn’t work. I need more switch to control all LEDs. Anyway, the matter of persistence of vision is still the problem. I could not keep developing this LED project as to what I had planned.
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