Hi! It seems I got the famous problem with the lcd. The letters wont appear. Its a 16x2 blue lcd. Have checked the cables over and over again and I find it correct. The LCD starts and the backlight shows, but not the letters. Sometimes the white boxes flashes a millisec or so, then disappears. …

16x2 lcd with UnoR3 probs

marcello.romani December 1, 2012, 10:54pm 3

We really can't give more help without more information.

Like code and schematics.

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