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LCD screen for Arduino UNO onlys shows a row of white boxes on top row - Project Guidance - Arduino Forum
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Amazon.com: Qunqi IIC/I2C/TWI 1602 Display Module 16x2 Serial Blue Backlight LCD Module for Arduino UNO R3 MEGA2560 : Electronics
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Amazon.com: SunFounder IIC I2C TWI 1602 Serial LCD Module Display Compatible with Arduino R3 Mega 2560 16x2 : Electronics
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