Supplying 5V, COM, and V0 w/o the pic should give you black squares. (adjust contrast to both extremes to be sure)
If you get nothing chances are high the display is non-functional.
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Supplying 5V, COM, and V0 w/o the pic should give you black squares. (adjust contrast to both extremes to be sure)
If you get nothing chances are high the display is non-functional.
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