The 2004 LCD Module is the largest character-based display in its class, offering 20 characters per line across 4 lines (80 characters total). If you’ve ever felt “cramped” on a 1602 or 1604 screen, this is your solution. It provides a massive amount of real estate for real-time monitoring of complex systems, industrial automation, or detailed robotics telemetry. It uses the standard HD44780 interface, ensuring it works with almost every microcontroller library on the planet.
Key Features ✨
Max Screen Real Estate: 4 rows of 20 characters for a massive 80-character total capacity.
High Readability: Large, crisp characters with adjustable contrast via a potentiometer.
Plug-and-Play: Fully compatible with the Arduino
LiquidCrystallibrary and Raspberry Pi GPIOs.Industrial Standard: The preferred display for 3D printer controllers (like RepRap) and CNC machines.
Technical Specifications ⚙️
| Feature | Specification |
| Model | 2004A / LCD2004 |
| Operating Voltage | 4.7V to 5.3V |
| Interface | 4-bit or 8-bit Parallel (I2C supported via backpack) |
| Backlight | LED (Blue/White or Yellow-Green/Black) |
| Controller | HD44780 or equivalent |
| Module Size | 98mm x 60mm x 14mm |
| Viewing Area | 76mm x 26mm |
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