LK204-7T-1U-WB-LV-E Optoelectronics

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The LK204-7T-1U-WB-LV-E is a user-interface display module used for data display. It belongs to the larger family of LCD, OLED character, and numeric display modules. It is manufactured by Crystalfontz and is built around the Hitachi HD44780U dot matrix model. It is designed to provide a surefire way to monitor and control a wide range of information quickly and easily.

Application Field

The LK204 display module is ideal for several different applications, such as digital signage, point-of-sales systems, digital message boards, process control, industrial automation, HVAC, fan controls, and embedded systems. The module has been tested for compatibility with both 12V and 3.3V environments and is perfectly suited for most commercial and industrial applications.

The module is also resistant to dust and water, making it ideal for use in harsh or outdoor environments. The display module is compact and easy to install, making it an attractive choice for many different types of installations. Additionally, the LK204 module complies with RoHS guidelines, making it friendly to the environment.

Working Principle

The LK204 display module is based on the Hitachi HD44780U dot matrix model. This model uses a 40-pin ribbon cable to connect the display module to the host system. The display module is powered by a single 5V supply. The module has a wide operating temperature range from -30 to +70 degrees Celsius.

The LK204 module comes with a built-in character generator that can display up to four lines of text with a maximum of 20 characters per line. The display module is controlled by six display control pins which allow for a variety of display modes, including 2-line, 4-line, and 8-line display modes. The module also has two built-in LEDs which can be used to show operator status.

In addition to the display controller, the LK204 module also features an onboard EEPROM, enabling the storage of up to 256 characters. This allows the user to customize the look of the display module’s text, including font size and color. The EEPROM also allows for “instant-on” functionality, enabling the display module to “remember” the last configuration and immediately turn on with the correct settings.

The LK204 display module is also compatible with a variety of different industrial control systems, such as TFT LCD controllers, SPI and RS232 communications, keypad and infrared data entry devices, graphical LCD navigation software, and other related accessories.

Conclusion

The LK204-7T-1U-WB-LV-E is an intuitive and reliable display module ideal for a variety of commercial and industrial applications. The display module is powered by a single 5V supply and can be used with a wide range of signals and data, including 12V and 3.3V interfaces. Its onboard EEPROM memory allows the user to customize the display module’s font size and color. The LK204 module is also dust and water resistant and compliant with RoHS guidelines, making it a great choice for indoor and outdoor applications.

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