20×4 LCD with i2c (Blue)

The IIC 2004 LCD display module is a 4 line 20 character LCD module with a manual contrast control knob, backlight and i2c communication interface.The library that works with this display can be installed directly in the Arduino IDE Library Manager: LiquidCrystal I2C by Frank de Brabander.Using the “HelloWorld” example sketch change the definition of the LCD to:LiquidCrystal_I2C lcd(I2C_address,20,4);The screen’s address might vary, for that reason it could be useful to use the I2C_scan code available in thislink.Specification:Supply voltage: 5VInterface: I2CI2C address: 0x27 or 0x3FPin definition: GND, VCC, SDA, SCLContrast adjust: potentiometerWhite text, blue backlightIt is fantastic for based projectScreen size: 9.6cm x 4cm x 1cmMounting board size (including LCD): 9.8cm x 6cm x 2cm