DFRobot I2C RGB Backlight 16×2 LCD Display Module for Arduino
DFRobot I2C RGB Backlight 16×2 LCD Display Module for Arduino - Image 2
DFRobot I2C RGB Backlight 16×2 LCD Display Module for Arduino - Image 3
SKU: SENS-2976
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DFRobot I2C RGB Backlight 16×2 LCD Display Module for Arduino

₹2,089.00 (Inclusive of all taxes)
Out of Stock

The DFRobot I2C RGB Backlight 16×2 LCD Display Module is a plug-and-play shield designed for Arduino UNO and compatible boards, featuring an I2C interface for simplified wiring and a full-color RGB backlight for enhanced visual feedback in data monitoring and interactive control projects.

Features

  • Integrated 16×2 character LCD with full RGB backlight for customizable display colors.
  • Direct plug-and-play compatibility with Arduino UNO, extending all I/O pins for simultaneous sensor/servo connections.
  • I2C communication protocol reduces wiring complexity to just 4 pins (VCC, GND, SDA, SCL).
  • Includes five programmable tactile keys for user input and menu navigation.
  • Wide 3.3V to 5V operating voltage range for compatibility with 3.3V and 5V logic systems.

Out of stock

Description

This LCD shield integrates a standard 16×2 character display with a full-spectrum RGB backlight, controlled via a dedicated I2C interface chip (typically a PCF8574 or similar). The I2C bus minimizes the required GPIO pins from the host microcontroller, freeing up resources for other peripherals while providing precise control over the display’s contrast and backlight color. The shield is constructed with a pass-through pin header design, ensuring all Arduino UNO I/O ports remain accessible for connecting additional modules like sensors, LEDs, or motors.

Built for robustness in prototyping environments, the module operates across an industrial temperature range and consumes minimal current. The inclusion of five programmable keys, with one dedicated as a reset button, allows for the creation of interactive menus and control interfaces without external components. The provided Arduino library abstracts the low-level communication, enabling rapid development of status displays, data loggers, and user interfaces for embedded systems.

Key Features

  • High-contrast 16x2 character LCD with individually addressable RGB backlight LEDs.
  • Integrated I2C serial interface adapter simplifies connection to Arduino, Raspberry Pi, ESP32, and other MCUs.
  • Full pass-through design maintains access to all Arduino UNO digital and analog pins.
  • Five front-panel tactile keys (four programmable, one reset) for direct user input.
  • Wide operating voltage range (3.3V to 5V DC) ensures compatibility with 3.3V and 5V logic families.
  • Low power consumption (<0.8 mA typical) suitable for battery-powered monitoring stations.
  • Durable PCB construction with soldered components for reliable use in educational and prototyping environments.
  • Comprehensive open-source Arduino library and code examples for fast project integration.

Applications

  • Real-time sensor data monitoring display for environmental stations (temperature, humidity, pressure).
  • User interface and menu system for embedded control projects using Arduino or ESP32.
  • Status feedback panel in robotics and mechatronics projects displaying motor speeds or battery levels.
  • Bench-top diagnostic tool for prototyping, showing serial debug messages or variable values.
  • Interactive art installations requiring colorful textual feedback and simple button control.

Technical Specifications

Item TypeDisplay Module / Shield
Model NameI2C RGB Backlight LCD 16x2 Display
Display Format16 x 2 Characters
Backlight TypeRGB (Full Color)
Communication InterfaceI2C
Operating Voltage3.3V to 5V DC
Operating Current< 0.8 mA (typical)
Operating Temperature-20°C to +70°C
User Input5 Keys (4 Programmable, 1 Reset)
Primary CompatibilityArduino UNO (Pin-Compatible)
Module Length87 mm
Module Width52 mm
Shipping Weight0.03 kg

Frequently Asked Questions

What is the operating voltage range for this LCD shield?

The shield supports a wide input voltage range from 3.3V to 5V DC, making it directly compatible with both 3.3V logic systems (like ESP32, Raspberry Pi) and standard 5V Arduino boards without requiring a logic level converter.

How do I connect this module to my Arduino? Does it use many pins?

Connection is simplified via the I2C interface. You only need to connect four pins: VCC, GND, SDA, and SCL. The shield plugs directly onto an Arduino UNO, and its pass-through design allows all other GPIO pins to remain free for connecting sensors, servos, or other modules.

Are the buttons on the shield programmable?

Yes, four of the five tactile keys are fully programmable via your Arduino sketch, allowing you to assign functions for menu navigation, parameter adjustment, or mode selection. The fifth key is typically hardwired as a reset button for the microcontroller.

Can I control the color of the backlight?

Absolutely. The RGB backlight is controlled via the I2C bus, allowing you to set any color by specifying Red, Green, and Blue intensity values through the provided library functions. This enables color-coding of alerts or creating dynamic visual effects.

Is a library available for programming this display?

Yes, DFRobot provides a comprehensive and open-source Arduino library specifically for this shield. The library handles all low-level I2C communication and offers high-level functions for printing text, setting cursor position, and controlling the RGB backlight, significantly speeding up development.

Package Includes

  • 1 x DFRobot I2C RGB Backlight LCD 16x2 Display Module

Additional Information

Weight 0.03 kg
Dimensions 8.7 × 5.2 cm

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