Shutao 4Pcs LCD1602 1602 LCD Module Blue Screen 16x2 Character LCD Display with IIC I2C Serial Interface Adapter Module

1602 lcd screen can display 2lines x 16characters with builtin industry standard HD44780 equivalent LCD controller LCD1602 1602 LCD module working voltage 5V To come with a potentiometer which is applied to adjust backlight and contrast How to wire GNDGND VCCVCC SDAA4 SCLA5 It only takes two IO port thus saving more for other usages You can adjust the contrast by the potentiometer at its back If you dont want the back light you can also unplug the jumper cap at the LCD back LCD1602 1602 LCD module compatible with copiers fax machines laser printers industrial test equipment networking equipment such as routers and storage devices 1602 display function LCD display with I2C serial interface can be applied to display real time clock temperature humidity and so on.