inquiry

Hi all
I have LCD when I connect it to arduino board it no display as i programmed it! it is display
only one black line, is the problem from connecting or what? answer me soon please :slightly_frowning_face: .

abbas7:
I have LCD when I connect it to arduino board it no display as i programmed it! it is display only one black line, is the problem from connecting or what?
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Yes.