stm32 2.4 tft lcd brands

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As a 2.4inch TFT display module with a resolution of 240 * 320, it uses the SPI interface for communication. LCD has an internal controller with basic functions, which can be used to draw points, lines, circles, and rectangles, and can display English, Chinese as well as pictures.

The 2.4inch LCD uses the PH2.0 8PIN interface, which can be connected to the Raspberry Pi according to the above table: (Please connect according to the pin definition table. The color of the wiring in the picture is for reference only, and the actual color shall prevail.)

The example we provide is based on STM32F103RBT6, and the connection method provided is also the corresponding pin of STM32F103RBT6. If you need to transplant the program, please connect according to the actual pin.

The LCD supports 12-bit, 16-bit, and 18-bit input color formats per pixel, namely RGB444, RGB565, and RGB666 three color formats, this demo uses RGB565 color format, which is also a commonly used RGB format.

For most LCD controllers, the communication mode of the controller can be configured, usually with an 8080 parallel interface, three-wire SPI, four-wire SPI, and other communication methods. This LCD uses a four-wire SPI communication interface, which can greatly save the GPIO port, and the communication speed will be faster.

2. The module_init() function is automatically called in the INIT () initializer on the LCD, but the module_exit() function needs to be called by itself

Python has an image library PIL official library link, it do not need to write code from the logical layer like C, can directly call to the image library for image processing. The following will take 1.54inch LCD as an example, we provide a brief description for the demo.

What is 2.4″ TFT LCD Display Module? The word TFT LCD stands for thin film transistor liquid crystal display, its name shows that, this type of LCD display made up with TFT technology. In this technology every pixel of light has its own transistor which controls each activity of light pixel individually. Therefore, it is also known as with another name such as active matrix display. Basically, it is an advanced technology in the field of LCD display which offers the best quality image and consume less power as compared to other LCD displays such as CRT (cathode ray tube) displays. This types of LCD display are mostly used in consumer appliances such as in computer monitors, televisions , projectors, mp3 players and mobiles phones etc. These are easily available in market or online shop. A simple TFT LCD display module is shown in figure 1

2.4″ inch TFT LCD display module is a 28 pins module and all pins are used in each configuration mode. Normally it is used in two configuration modes, first one is SPI mode and second one is 8 bit mode, but it cannot be used in both modes at same time. It is used in SPI mode in that time when speed is not so much major issue ,means it is slower mode as compared to 8 bit mode because the user sends only one bit at one time instead of 8 bit. Therefore 8 bit mode is also called parallel mode. Its pin configuration is shown in figure 2

Here we shell only explain the pin configuration mode of this TRT LCD display module when it is used in 8 bit mode. In this mode the user sends 8 bit at same time instead of 1 bit and this is so much faster mode its pin configuration detail is shown in table 1

The working principle of this TFT module is very simple. Each panel of TFT LCD module consists of many pixels and each pixel emits different colure of light. At the back end of these pixels a back light is used which consists of number of fluorescent tubes. Similarly, for lighting the single pixel, it is passed through back light door or shutter. When it is passed through this back light door or shutter then its light is increased. We have explained this in a simple way but so much complications are involved in this whole technology process.

A controller is required for displaying any thing at 2.4″ TFT LCD module. Here we will explain how interface the TFT LCD module with Arduino board. For interfacing with this 2.4″ TFT LCD module with UNO Arduino board, connections are made according to above table. After connecting according to above table, Arduino board is powered up with the help of ac to dc adapter. When it is powered up then TFT LCD display is also powered up at same time because it is connected with this Arduino board. After that ,program is up load in this Arduino board with the help of Arduino IDE software .Similarly for writing any program Arduino library is used ,at which any type of program could be easily write.