I connected my 20x4 anag vision lcd but all it gives/shows me are 2 black lines. it is either the first and third or the second and fourth depending wich way round you look. what could be cause?![Confused :confused: :confused:](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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