AITRIP 3 Pack IIC/I2C/TWI LCD 1602 16x2 Serial Interface Adapter Module Blue Backlight for Arduino UNO R3 (Green)

• Easy to use. Less I/O ports are occupied, only four - VCC, GND, SDA (serial data line), SCL (serial clock line).
• Components: Blue 16x2 1602 lcd display + I2C serial interface backpack; 1602 lcd screen can display 2-lines x 16-characters with built-in industry standard HD44780 equivalent LCD controller.
• Default Address: 0x27 for PCF8574T chip; 0x3F for PCF8574AT chip
• How to wire: GND—GND; VCC—VCC; SDA—A4; SCL—A5
• Compatibility: Fit for Arduino and Raspberry pi.Working Voltage: 5V ;Come with a potentiometer used to adjust backlight and contrast. Used to display Characters, letters and Numbers ,real time clock, temperature, humidity , Commonly used in copiers, fax machines, laser printers, industrial test equipment and networking equipment such as routers and storage devices and so on

Specification: Display: 4 lines x 20 characters Backlight: Blue with white character color LCD controller: HD44780 Pin Definition: VCC/ GND/SDL and SCA Contrast Adjust: Potentiometer Backlight Adjust: Jumper Default Address: 0x27, 0x3F Working Voltage: 5V Default Address: 0x27 for PCF8574T chip; 0x3F for PCF8574AT chip Package: 3 pack blue 16x2 1602 lcd display + I2C serial interface