LCD 20×4 Green Backlight Display
The 20×4 LCD display with a green backlight is a widely used module for displaying text in embedded systems and electronics projects. It can display up to 20 characters per line across 4 lines, making it ideal for applications that require more information than standard 16×2 displays.
Key Features
- 20×4 Character Display: 20 characters × 4 lines
- Green LED Backlight: Ensures clear visibility in low-light conditions
- HD44780 Compatible Controller: Widely supported and easy to interface
- 5V Operation: Compatible with Arduino and most microcontrollers
- Parallel Interface: Supports both 4-bit and 8-bit communication modes
- Adjustable Contrast: Can be controlled using an external potentiometer
Applications
- Arduino & Microcontroller Projects: Display sensor readings and system status
- Embedded Systems: User interface for devices and instruments
- Industrial Equipment: Monitoring and display panels
- DIY Electronics: Menu systems, debugging, and data output
Technical Specifications
- Display Type: Alphanumeric LCD
- Configuration: 20 × 4 characters
- Backlight: Green LED
- Operating Voltage: 5V
- Controller: HD44780 or compatible
- Interface: Parallel (4-bit/8-bit)
- Operating Temperature: Typically 0°C to 50°C
Product Example
LCD 20×4 Green Backlight Display
Reliable and easy-to-use display module suitable for a wide range of electronics and embedded applications.
Why Choose a 20×4 LCD Display?
A 20×4 LCD provides more display space compared to a 16×2 LCD, reducing the need for scrolling text. It is simple to interface, widely supported by libraries, and cost-effective—making it an excellent choice for both beginners and professionals.

