The WH4004A1 is a high-performance 40x4 character LCD display module designed to meet the demands of a wide range of industrial, commercial, and consumer applications. This module is equipped with the ST7066U controller IC, which ensures reliable operation and seamless integration into various systems. The default interface of the WH4004A1 is the 6800 4/8-bit parallel interface, offering flexibility for developers to choose the most suitable communication protocol for their specific requirements. Additionally, the module supports both 5V and 3.3V power supply options, making it compatible with a broad spectrum of electronic systems and reducing the need for additional voltage regulation components.
One of the standout features of the WH4004A1 is its versatility in backlighting options. The module is available in configurations with no backlight or with LED backlight, allowing users to select the most appropriate option based on their application's environmental conditions and power consumption constraints. The LED backlight option provides excellent visibility in low-light environments, ensuring that the display remains clear and legible under all operating conditions. Furthermore, the WH4004A1 is offered in a variety of LCD panel colors, including gray, yellow/green, and blue, enabling designers to match the display's appearance to the aesthetic and functional requirements of their products.
The WH4004A1 is engineered to operate reliably across a wide temperature range, making it suitable for use in challenging environments. The module's operating temperature range spans from -20ºC to +70ºC, ensuring consistent performance in both cold and hot conditions. Additionally, the storage temperature range extends from -30ºC to +80ºC, providing robust durability during transportation, storage, and non-operational periods. This wide temperature tolerance makes the WH4004A1 an ideal choice for applications in industries such as automotive, aerospace, industrial automation, and outdoor equipment, where extreme temperatures are common.
Another key feature of the WH4004A1 is its built-in character set, which supports multiple language options to cater to diverse global markets. The module's character set includes English/Japanese, English/West European, English/Scandinavian European, and English/Cyrillic (Russian) options, enabling developers to create user interfaces that are tailored to specific regional requirements. This multilingual support enhances the module's usability in international markets and simplifies the localization process for products incorporating the WH4004A1.
The WH4004A1's design emphasizes ease of integration and user-friendliness. The module's compact form factor and standardized pinout configuration simplify the PCB layout process, reducing development time and effort. The 6800 4/8-bit parallel interface ensures compatibility with a wide range of microcontrollers and embedded systems, while the 5V and 3.3V power supply options provide flexibility in system design. The module's robust construction and high-quality materials ensure long-term reliability and durability, even in demanding applications.
In addition to its technical specifications, the WH4004A1 offers several practical advantages that enhance its appeal to developers and manufacturers. The module's low power consumption makes it an energy-efficient choice for battery-powered devices and other applications where power efficiency is a priority. The availability of multiple backlight and panel color options allows for customization to meet specific design requirements, while the wide operating temperature range ensures reliable performance in diverse environments. The built-in character set and multilingual support further enhance the module's versatility and usability in global markets.
The WH4004A1 is also designed with ease of maintenance and serviceability in mind. The module's construction allows for straightforward replacement and repair, minimizing downtime and reducing maintenance costs. The availability of multiple configuration options ensures that the WH4004A1 can be tailored to meet the specific needs of each application, providing a cost-effective solution for a wide range of use cases. Whether used in industrial control panels, medical devices, consumer electronics, or other applications, the WH4004A1 delivers reliable performance and exceptional value.
In summary, the WH4004A1 40x4 character LCD display module is a versatile and high-performance solution for a wide range of applications. Its integration of the ST7066U controller IC, support for 6800 4/8-bit parallel interface, and compatibility with both 5V and 3.3V power supplies make it a flexible and reliable choice for developers. The module's availability in various backlight and panel color options, wide operating temperature range, and built-in multilingual character set further enhance its appeal. With its robust construction, ease of integration, and energy-efficient design, the WH4004A1 is an excellent choice for applications requiring a dependable and customizable character LCD display solution.
The WH4004A1's technical specifications and features make it a standout product in the market, offering a combination of performance, flexibility, and reliability that is unmatched by competing modules. Its ability to operate in extreme temperatures, support multiple languages, and provide customizable backlight and panel options ensures that it can meet the needs of even the most demanding applications. Whether used in industrial automation, consumer electronics, or other fields, the WH4004A1 delivers exceptional performance and value, making it a top choice for developers and manufacturers worldwide.
| Number of Characters |
40 characters x 4Lines |
| Module dimension |
190.0 x 54.0 x 13.6 (MAX)mm |
| View area |
147.0 x 29.5mm |
| Active area |
140.45 x 23.16mm |
| Dot size |
0.50 x 0.55mm |
| Dot pitch |
0.57 x 0.62mm |
| Character size |
2.78 x 4.89mm |
| Character pitch |
3.53 x 6.09mm |
| Duty |
|
| Backlight Type |
LED |
| IC |
ST7066U |
| Interface |
6800 |
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