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My lcd is only showing white squares : r/arduino
White blocks with 16x2 LCD Display - HD44780 - Displays - Arduino Forum
Top row of LCD shows white blocks - Displays - Arduino Forum
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Yamaha DX21 screen replacement only displays white squares. : r/synthdiy
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Waveshare 1602 LCD I2C Display Module, White Color with Blue Background 16x2 Characters LCD für Raspberry Pi/Raspberry Pi Pico/Jetson Nano/ESP32/ Arduino, 3.3V/5V Compatible : Amazon.ca: Electronics
Infamous white squares for LCD display - Arduino Stack Exchange
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LCD only shows 1 row of white blocks - Displays - Arduino Forum
How to use the 16x2 LCD with Arduino? - Latest Open Tech From Seeed
White blocks with 16x2 LCD Display - HD44780 - Displays - Arduino Forum