Weewooday 8 Pieces IIC/ I2C/ TWI LCD Serial Interface Adapter and LCD Module Display Blue Backlight Compatible with Arduino R3 MEGA2560 (LCD 2004 20 x 4, Blue)

• Components: blue LCD display with i2c serial interface backpack; LCD screen can display 2-lines x 16-characters; The i2c LCD adapter built-in industry standard equivalent LCD controller
• Default Address: 0 x 27 for PCF8574T chip; 0 x 3F for PCF8574AT chip; Please kindly check the chip of the i2c interface; ( Please remember to download the LiquidCrystal I2C library on GitHub before uploading the code to the control board)
• ,Compatibility: LCD display with I2C serial interface is compatible with for Arduino and Raspberry pi; Working voltage: 5V; To come with a potentiometer, which is applied to adjust backlight and contrast; How to wire: GND—GND; VCC—VCC; SDA—A4; SCL—A5
• Application: LCD module is applied to display letters, characters, numbers, real time clock and temperature
• ,Display function: LCD display with I2C serial interface can be applied to display real time clock, temperature, humidity and so on; (A potentiometer is also necessary to adjust the contrast; Working Voltage: Only 5V )

Description Features: Good function: The LCD with I2C port greatly enriches the human-computer interaction functions, and when they are connected to the controller, the controller without too many external ports, and will not restrict other functions of the controller. It has only two bidirectional data lines, a serial data line and a serial clock. Specifications: Display: 2-lines x 16-characters Four Pin Definition: GND, VCC, SDA, SCL Default I2C bus address: 0 x 3F for PCF8574AT chip, 0 x 27 for PCF8574T chip Working voltage: 5V Adjust Contrast: Potentiometer Adjust Backlight: Jumper Package includes: 4 x LCD display 4 x I2 C serial interface Warm notes: Manual measurement, please allow slight errors on size, and the color might exist slightly difference due to different displays.