LCM-H04004DSF/D12T

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LCM-H04004DSF/D12T is a display module classified as an LCD, OLED Character and Numeric. It is used for various applications and has a unique set of features to serve these applications. This article walks you through the various features and the working principle of this display module.

LCM-H04004DSF/D12T is a 12 character x 4 line LCD module designed to display alphanumeric and graphical data. It has a 4x12 character display area and a 40x25 dot graphic display area. It can display both texts and graphics and supports several different display modes. The module is powered by a 3.3V DC power supply and is controlled by 3x2 multiplexing programmable interface. The module also provides 4 I/O terminals.

The LCD interface consists of 8 data lines (D0-D7) and 4 control lines (E, CS, R/W, RES). The 8 data lines are used to send data and commands to the LCD. The 4 control lines are used to control the LCD display. The E line is used to enable the LCD to receive data and commands from the data lines. The CS line is used to select the control chip. The R/W line is used to select read or write to the LCD. The RES line is used to reset the LCD.

LCM-H04004DSF/D12T has several features that make it suitable for a wide range of applications. The LCD has a low power consumption and provides excellent visibility even in direct sunlight. It supports a wide temperature range (operating -20°C to +70°C) and has an excellent contrast ratio of 700:1. The module also has an automatic power saving feature which reduces the power consumption when the display is in standby mode.

The module also provides multiple control modes. It supports both 7-bit and 8-bit parallel control mode. It also provides a serial communication interface (I2C) to communicate with other devices. The communication interface allows the module to be connected to a wide range of devices such as microcontrollers, sensors, and other modules.

In terms of usage and applications, LCM-H04004DSF/D12T module is widely used for indoor or outdoor display. It is used for both graphic and character displays. It is also used for industrial, medical and military applications. The module is suitable for various applications such as user interfaces, panel meter displays, bar code scanners, medical measurement displays, etc.

When it comes to the working principle of the module, it can be understood as follows. The module receives data from the external devices and displays it on the screen using the 3 x 2 multiplexing programmable interface. This interface sends commands and data to the LCD and triggers the display. The LCD shows the data according to the commands. The data is displayed on the LCD using the 8 data lines and 4 control lines. The LCD can display characters, numbers, and symbols.

To sum it up, LCM-H04004DSF/D12T is a display module that is suitable for a wide range of applications. It has a 3 x 2 multiplexing programmable interface, low power consumption, excellent contrast ratio, and wide temperature range. It supports both 7-bit and 8-bit parallel control modes and supports a serial communication interface (I2C). It is used for various applications such as user interfaces, medical measurement displays, panel meter displays, etc. The module receives data from external devices and displays it on the screen using its control interface.

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