I have a Sainsmart LCD2004 with 20x4 display . I've removed the LiquidCrystal library that came with my arduino software, and installed instead fmalpartida's new-liquidcrystal library. I have an Arduino Uno R3, and I connected the LCD2004's VCC to Uno 5V, LCD GND to Uno GND, LCD SDA to Uno A4, LCD …

Sainsmart LCD2004 newbie question - can't get it working

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