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I've now downloaded and installed the library that you refer to in the first post, and my code still doesn't display anything. I've also tried the "hello world" example, and that doesn't display anything either. Just a couple of things to check… 1) Did you delete the original version of the library...

...'m confident that the Nano is running, but all I see on the screen are the 16 white squares on the first row. Hi Adrian, have you read the FAQ section in the first post of this thread? It gives reasons for the exact problem you're seeing. Most likely you have the wrong version of the library for...

I'm having problems getting my display to work. I'm using a Nano, and I've uploaded the following code : #include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x3F, 16, 2); void setup() { // put your setup code here, to run once: Serial.begin(9600); lcd.begin(16,2); // initialize th...