4x20 Character LCD with I2C Module (Blue)

Everyone loves character LCD, is cheap and works out of the box! This is a 20x4-character LCD module. But the need for 6 to 10 GPIOs is the pain :) It takes most of the GPIO of Arduino and another microcontroller. Now with this I2C or Two wires interface LCD, you will save a lot of GPIO for your sensor and motor control.

This is a great blue backlight LCD display. As the pin resources of the Arduino controller are limited, your project may be not able to use a normal LCD shield after being connected with certain sensors or SD card. However, with this I2C interface LCD module, you will be able to realize data display via only 2 wires. If you already have I2C devices in your project, you can still program this LCD with the correct I2C address. It is fantastic for Arduino-based projects.

Note: If the display is not clear (or blank), try to adjust the contrast level by tuning the onboard potentiometer.

• 4x20 Character LCD
• I2C Address: 0x27
• Backlight (White character on Blue background), enable or disable by a mini jumper at the back of the LCD
• Supply voltage: 5V
• Size: 98x60x20 mm
• Come with I2C interface

• 1 x 4x20 Character LCD with I2C Module (Blue)

• Getting Started with I2C Serial LCD and Arduino

Note: This LCD is 20 x 4 Character LCD with I2C Module (Blue) so the coding in Arduino must be changed according to the LCD specifications which in this case is as shown below

lcd.begin (20,4);     //Defining 20 columns and 4 rows of lcd display