Description
The LCD1602 16×2 Character Display Module with IIC/I2C PCF8574 Adapter is a versatile and easy-to-use display solution for microcontroller and embedded system projects.
Featuring a bright blue backlight with white characters, this display provides excellent readability for displaying text, sensor values, menus, system status information, and user interfaces.
Powered by the AIP31066 LCD controller chip, the module delivers reliable performance and full compatibility with standard HD44780-based LCD libraries used in Arduino and other development platforms.
The integrated PCF8574 IIC/I2C serial interface adapter allows communication using only two signal lines (SDA and SCL), significantly reducing wiring complexity and freeing up microcontroller I/O pins.
This module is ideal for Arduino, ESP32, Raspberry Pi, STM32, and various embedded electronics projects where a simple and reliable text display is required.
Key Features
- 16×2 character LCD display
- Bright blue backlight with white characters
- Built-in IIC/I2C PCF8574 serial interface
- AIP31066 LCD controller chip
- Uses only two communication pins (SDA & SCL)
- Adjustable display contrast
- Easy integration with Arduino and ESP32
- Low power consumption and stable operation
Technical Specifications
- Display Type: Character LCD
- Display Format: 16 Characters × 2 Lines
- LCD Controller: AIP31066
- Interface Chip: PCF8574
- Communication Interface: IIC / I2C
- Operating Voltage: 5V DC
- Backlight Color: Blue
- Character Color: White
- Communication Pins: SDA, SCL
- Contrast Adjustment: Onboard potentiometer
- Viewing Angle: Wide viewing angle
- Compatibility: Arduino, ESP32, Raspberry Pi, STM32, AVR, PIC, and other microcontrollers
Package Includes
- 1 × LCD1602 16×2 Blue Backlight Display Module
- 1 × IIC/I2C PCF8574 Serial Interface Adapter (Pre-installed or Included)
Applications
- Arduino projects
- ESP32 and IoT systems
- Sensor monitoring displays
- Home automation systems
- Robotics projects
- Industrial control systems
- Educational STEM projects
- Embedded user interfaces
Benefits
- Saves microcontroller pins using I2C communication
- Simple wiring and installation
- Clear and easy-to-read display
- Reliable and stable operation
- Suitable for beginners and professionals
- Wide compatibility with popular development platforms
Why Choose This LCD1602 I2C Module?
The LCD1602 Blue Backlight Display with AIP31066 controller and PCF8574 I2C adapter offers an efficient and user-friendly way to add text display functionality to your electronics projects. Its simple wiring, excellent readability, and broad compatibility make it a perfect choice for students, makers, engineers, and embedded system developers.











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