LK202-25-USB-E

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The LK202-25-USB-E, a character and numeric display module, is a multifunctional device that is widely used in a variety of applications. It is a versatile display solution suitable for a range of projects that require both a manually-generated character display and an easy-to-use numeric display. This article will discuss the application field and working principle of the LK202-25-USB-E.

Application Field

The LK202-25-USB-E is typically used in industrial and commercial displays, automation systems, and various fields of sci-tech and engineering. With its compact size and low power consumption, the LK202-25-USB-E is also a popular choice for embedded projects. Given its flexibility, the display module has seen applications in areas such as:

• Automotive dashboard displays
• Industrial equipment and machine control systems
• Home automation
• Home entertainment systems
• Telecommunications systems

Due to its high-performance character and numeric display, the LK202-25-USB-E is also suitable for use in medical, military, aerospace and marine applications.

Working Principle

The LK202-25-USB-E is built around an ARM Cortex M4 processor that provides a high processing power. The module is powered by a 5V DC input and can be connected via USB or UART. The module supports up to 2 lines of 20 characters each, and up to 8 pages of 5 characters each. The module also includes a 3-color backlight and a 5-position brightness control.

The LK202-25-USB-E communicates with the host system using an ASCII command set. The commands can trigger various actions such as printing characters and/or strings in the display, setting a page or cursor, controlling the backlight and brightness, and setting various modes such as scroll, blank and reverse. The module is also capable of displaying a variety of symbols and graphics, such as degree symbols, arrows and smileys.

As an added convenience, the module can also be used in combination with an infrared remote control device to control the module remotely. This makes the LK202-25-USB-E an ideal choice for applications such as remote control systems and digital signage.

In conclusion, the LK202-25-USB-E is a highly versatile character and numeric display module that can be used in a variety of applications due to its powerful ARM Cortex M4 processor, low power consumption, and ASCI command set. The module is also capable of displaying symbols and graphics and can be used in combination with an infrared remote control device for added convenience. The LK202-25-USB-E is an ideal choice for industrial and commercial displays, automation systems, and various fields of sci-tech and engineering.

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