I have been trying to make an LCD to work on my Arduino board and no matter what I do it always has the bottom row filled with white squares and the top row blank. I have tried multipl;e boards, swapping wires, rewiring many times, other LCD's, other breadboards, and it does not work. My code is as …

16x2 LCD Shows Nothing on Top Row and White Boxes on Bottom Row

Featherblade November 11, 2017, 4:48pm 3

Here it is:

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