20X2 Character LCD Display Module Screen 2002 LCM STN 3.3V
Comprehensive Guide to the 20x2 Character LCD Display Module
The 20×2 Character LCD Display Module is a compact and efficient solution for various display needs in embedded systems. With its excellent resolution, reliable controller, and versatile operating parameters, it is a prime choice for professionals working in industrial, commercial, or hobbyist applications. Designed with a practical and user-friendly approach, this LCD module is built to deliver consistent performance in demanding environments.
Key Features and Specifications
This LCD module combines functionality and simplicity, making it a standout option for character-based display requirements. Below is a comprehensive summary of its specifications and attributes:
| Feature | Details |
|---|---|
| Display Size | 3.33 inches |
| Resolution | 20 characters x 2 lines |
| Model Dimensions | 116 x 37 x 12.8 mm |
| Viewing Area | 82.6 x 18.4 mm |
| View Direction | 6 O’clock |
| LCD Modes | STN (yellow/blue), FSTN (gray) |
| Driver IC | SPLC780D or equivalent |
| Driving Method | 1/16 Duty, 1/5 Bias |
| Operating Voltage | 3.3V or 5V |
| Operating Temp. | -20°C to +70°C |
| Storage Temp. | -30°C to +80°C |
| Font Support | English and Japanese |
Structural Overview and Display Modes
Model Size and Dimensions
The module’s compact design measures 116 mm in width, 37 mm in height, and 12.8 mm in thickness, ensuring it can fit comfortably into most enclosures. Its viewing area of 82.6 x 18.4 mm provides excellent readability without unnecessary bulk.
LCD Modes and View Direction
The display offers two LCD modes:
STN (Super Twisted Nematic), available in blue or yellow-green variants, providing a sharp contrast for enhanced clarity.
FSTN (Film Compensated Super Twisted Nematic), which delivers improved viewing angles and grayscale visuals for a sleek appearance.
The module’s 6 o’clock view direction ensures optimal visibility when the display is mounted at or below eye level, making it an excellent fit for control panels, appliances, and dashboards.
Electrical and Performance Characteristics
Operating Voltage and Driver IC
The module supports both 3.3V and 5V operating voltages, catering to a variety of system requirements. It features the SPLC780D driver IC or its equivalent, ensuring compatibility with widely used interfaces.
Driving Method
Utilizing a 1/16 duty cycle and 1/5 bias, the module achieves a balanced and efficient driving performance. This setup is particularly advantageous for low-power applications, where energy efficiency is crucial.
Temperature Range
With an operating temperature range of -20°C to +70°C, the module is suitable for use in both indoor and outdoor environments. Its storage temperature range extends further, from -30°C to +80°C, ensuring durability during transport and extended storage periods.
Applications and Usability
Versatility Across Industries
The 20×2 Character LCD Display Module’s robust design and adaptable features make it suitable for various applications, such as:
Industrial control systems
Medical devices
Consumer electronics
DIY projects and educational tools
Ease of Integration
The module’s straightforward interface simplifies integration with microcontrollers and development platforms. Its ability to support both English and Japanese fonts enhances its usability in global markets.
Conclusion
The 20×2 Character LCD Display Module is a highly versatile and reliable component, offering excellent performance in a wide range of applications. Its compact size, clear display quality, and robust design ensure it meets the demands of modern embedded systems. Whether you’re designing industrial machinery, creating consumer electronics, or embarking on a DIY project, this LCD module provides a dependable and efficient display solution.
Drawing
Pin Description
| ITEM | SYMBOL | LEVEL | FUNCTIONS |
|---|---|---|---|
| 1 | VSS | 0V | Power Ground |
| 2 | VDD | +5V | Power Supply For Logic |
| 3 | V0 | — | Contrast Adjust |
| 4 | RS | H/L | H: data, L: command |
| 5 | R/W | H/L | H: read, L: write |
| 6 | E | H. H→L | Enable Signal |
| 7–14 | DB0–DB7 | H/L | Data Bus |
| 15 | LEDA | +5V | Power Supply For LED Backlight |
| 16 | LEDK | 0V | Power Supply For LED Backlight |
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Frequently Asked Question
The module supports a resolution of 20 characters x 2 lines.
The module measures 116 x 37 x 12.8 mm, making it a compact solution for various applications.
The viewing area measures 82.6 x 18.4 mm, ensuring excellent readability in a small size.
The module offers STN (yellow/blue) and FSTN (gray) modes. STN provides sharp contrast, while FSTN enhances viewing angles and grayscale visuals.
The display operates on both 3.3V and 5V, making it versatile for different systems.
The operating temperature range is -20°C to +70°C, while the storage range extends from -30°C to +80°C.
The module uses the SPLC780D driver IC or an equivalent, ensuring compatibility with standard interfaces.
It is suitable for industrial control systems, medical devices, consumer electronics, and DIY projects.
The 6 o’clock view direction ensures optimal visibility when mounted at or below eye level, making it ideal for control panels and dashboards.
The module uses a 1/16 duty cycle and 1/5 bias driving method, optimizing energy efficiency for low-power applications.
