LCD 2004 Display Blue Backlight 20x4 Character Module

Upgrade to more display space with this large 2004 LCD character display featuring a vibrant blue backlight. With 20 characters per line across 4 rows, this display offers double the capacity of standard 1602 modules, making it perfect for complex menus, detailed data displays, and information-rich Arduino projects.

Technical Specifications

• Display Type: 20x4 character LCD (2004)
• Characters: 20 columns × 4 rows (80 characters total)
• Backlight: Blue LED backlight with white characters
• Controller: HD44780 or compatible
• Operating Voltage: 5V DC
• Interface: Parallel (4-bit or 8-bit mode)
• Display Area: 77mm × 25.2mm
• Module Size: 98mm × 60mm

Key Features

• Large Display: 80 characters total - double the capacity of 1602 displays
• Blue Backlight: Bright blue LED backlight for excellent visibility
• High Contrast: White characters on blue background for easy reading
• HD44780 Compatible: Works with standard LCD libraries and code
• Adjustable Contrast: Built-in potentiometer for perfect contrast adjustment
• Wide Compatibility: Works with Arduino, Raspberry Pi, PIC, AVR, ESP32
• Standard Pinout: Industry-standard 16-pin interface
• Library Support: Compatible with LiquidCrystal and other popular libraries

Applications

Perfect for complex menu systems, multi-line data displays, weather stations with detailed info, sensor monitoring dashboards, home automation control panels, robotics status displays, measurement instruments, and any project requiring extensive text output and information display.