Description
2004 Display Screen LCD Board 20x04
The 20x4 LCD2004 Parallel LCD Display Screen is a widely used character display module capable of showing 20 characters per line across 4 lines. It is commonly used in microcontroller-based projects for displaying text, system status, sensor readings, and menu interfaces.
This display is available in multiple configurations, including a standard parallel interface, versions with an external IIC (I2C) adapter, and models with an inbuilt IIC interface. Multiple backlight color options allow easy selection based on visibility and design requirements. The LCD2004 is compatible with popular development platforms such as Arduino, ESP32, ESP8266, Raspberry Pi, and STM32.
Key Features
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20 characters × 4 lines character display
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Based on HD44780-compatible controller
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Available with parallel or IIC (I2C) interface
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Multiple backlight color options
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Clear and stable text visibility
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Suitable for DIY electronics and embedded projects
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Compatible with Arduino and other microcontrollers
Interface Variants
| Variant Type | Description |
|---|---|
| Without IIC | Standard 16-pin parallel interface |
| With External IIC | Parallel LCD supplied with separate IIC adapter |
| With Inbuilt IIC | LCD with pre-installed IIC (I2C) interface |
Backlight Color Variants
| Color Option | Description |
|---|---|
| Yellow + Green | Classic high-contrast display |
| Blue | White text on blue background |
| White | Black text on white background |
Variant Combination Table
| Interface Type | Backlight Color |
|---|---|
| Without IIC | Yellow+Green / Blue / White |
| With External IIC | Yellow+Green / Blue / White |
| With Inbuilt IIC | Yellow+Green / Blue / White |
Applications
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Arduino and microcontroller projects
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DIY electronics and learning kits
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Industrial display panels (non-certified use)
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Sensor data and system status display
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Menu-driven embedded systems
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Educational and prototyping purposes
Specifications
| Parameter | Details |
|---|---|
| Display Type | Character LCD |
| Display Format | 20 × 4 |
| Controller | HD44780 compatible |
| Interface | Parallel / IIC (I2C) |
| Operating Voltage | 5V |
| Character Color | Black or white (variant dependent) |
| Backlight Colors | Yellow+Green, Blue, White |
| Pin Count | 16-pin (parallel) |
| Mounting | Through-hole |