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OK204-25-OB-E Application Field and Working Principle

OK204-25-OB-E is a display module, which belongs to the category of LCD, OLED Character and Numeric displays. It is used to display information in a convenient, easy-to-read format.

The OK204-25-OB-E module is made up of two sections: the display and the circuit board. The display is composed of a 20x4 character liquid crystal display, with 12 characters per line and 16 lines in total. The back lighting is driven by a series of LEDs, providing a clear and high-contrast display even in very dark environments. The display section is connected to the circuit board through a 30-pin ribbon cable. The board is populated with components, such as a display controller, RAM, EPROM and other required circuitry.

The main function of the OK204-25-OB-E is to display text, numbers and graphics on the LCD screen. The display controller chip is responsible for taking the data sent from the system processor and converting it into a form that can be rendered by the display. It can be used to display menu information, numerical values or other types of text. The module is also capable of displaying graphical images.

There are several applications for the OK204-25-OB-E display module. It is used in a wide range of fields, including medical equipment, industrial automated systems, automotive and automotive systems, consumer appliances and many other domains.

The OK204-25-OB-E operates on a 3.3V power supply. It is connected to the system processor through an 8-bit SPI interface, using only three signal lines. The system processor sends commands, like set cursor position and set display mode, to the display controller chip. The display controller then acts upon the commands and updates the data sent to the display accordingly.

The OK204-25-OB-E display module is capable of displaying characters and graphics in a variety of font sizes, styles and colors. It is a versatile display module, offering a wide range of features, making it an ideal choice for a variety of applications.

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