Lcd1602 shows only white boxes - Displays - Arduino Forum
White Boxes Issue on LCD 1602 - Displays - Arduino Forum
My Arduino LCD display only displays white boxes and when the potentiometer is adjusted it just turns blank. Any help would be great. : r/arduino
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White Boxes Issue on LCD 1602 - Displays - Arduino Forum
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White Boxes Issue on LCD 1602 - Displays - Arduino Forum
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LCD 16 X 2 Only shows white box on line 1 n 2 ( no text shown) - #19 by Eurnis123 - Programming Questions - Arduino Forum
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1602LCD - Text showing up but there's white boxes in the background can barely see the text cause of it. Need help how to remove it. : r/arduino
16x2 LCD only showing white squares - Displays - Arduino Forum
