Screens may come with different I2C addresses, trying these addresses should help : 0x27 or 0x3f If your display still does not work : Use testing mode in order to show "hello world" on the screen at ...

Arduino library for the I2C LCD display, typical 20x4 characters. The library is inspired by the excellent New-LiquidCrystal library by F. Malpartida. Therefore the interface is kept quite identical, ...

Once you have finished the soldering work , get four jumper wires and connect the LCD module to your Arduino as per the instruction given below. (lcd display to arduino wiring) Arduino Setup. For this ...