The 2004 LCD with I2C is a 20x4 character display, offering more screen space than the 1602 LCD (which has 16 characters per row). This LCD module uses an I2C interface, allowing for simple two-wire communication (SDA and SCL), minimizing the need for multiple GPIO pins in your microcontroller projects. It is equipped with a backlight for easy readability in various lighting conditions, and it’s commonly used for displaying sensor readings, user inputs, and real-time data.

Ideal for use in Arduino, Raspberry Pi, and other DIY projects, this 2004 LCD is well-suited for projects that need to display larger amounts of text or information across its 20 columns and 4 rows. The I2C interface reduces wiring complexity, while the adjustable contrast ensures readability in various lighting environments.

Key Features:

✅ 20x4 Character Display – Displays 20 characters per row and 4 rows, offering larger space than 16x2 displays.
✅ I2C Interface – Uses two-wire communication (SDA, SCL), freeing up more pins for other components.
✅ Backlit Display – Ensures readability in dim or low-light environments.
✅ Low Power Consumption – Ideal for battery-powered projects and low-voltage systems.
✅ Compatible with Arduino & Raspberry Pi – Easily integrate into your existing projects.
✅ Adjustable Contrast – Use the onboard potentiometer for optimal text visibility.
✅ Compact Design – Suitable for most project enclosures and breadboard setups.

The 2004 LCD with I2C is an excellent choice when you need to display a larger amount of information or text in your electronics projects without cluttering your setup with too many wires.