arduino tft lcd mega shield sd card example brands
If you report the results from each 320x480 with 16-bit interface, I can probably give a guess as to which controller you actually have. UTFT only has ILI9481, ILI9486, R61581 to test.
I puzzled some hours with exactly the same hardware setup and made a quick & dirty, but successfully test script, combining LCD, Touch and SD Card Features.
It is supported by my library GitHub - ZinggJM/GxTFT: This library separates the aspects IO connection, controller type and display class into separate C++ classes., which might also work with your display.
This is SainSmart MEGA2560 + 7 inch TFT LCD module with the TFT LCD shield kit For arduino enthusiasts.It includes one pcs of SainSmart MEGA2560 , 7 inch TFT LCD display and a TFT LCD shield for Arduino MEGA2560.This kit helps you to avoid complicated wiring processes and save you much time to accomplish your goal. You can feel free to enjoy the touch function and SD card function by using our codes.We will provided you the whole document including the example project of the kit. We will supply you the technical support after your purchase.
This is the new MEGA2560 R3. In addition to all the features of the previous board, the MEGA now uses an ATMega16U2 instead of the ATMega8U2 chip. This allows for faster transfer rates and more memory. No drivers needed for Linux or Mac (inf file for Windows is needed and included in the Arduino IDE), and the ability to have the Uno show up as a keyboard, mouse, joystick, etc.
The MEGA2560 R3 also adds SDA and SCL pins next to the AREF. In addition, there are two new pins placed near the RESET pin. One is the IOREF that allow the shields to adapt to the voltage provided from the board. The other is a not connected and is reserved for future purposes. The MEGA2560 R3 works with all existing shields but can adapt to new shields which use these additional pins.
It is 100% compatible with the normal MCU like ARM AVR PIC and 8051,especially on Arduino family such as Arduino Due and Arduino MEGA2560(R3). The module uses the LCD controller Chip SSD1963 with 7 inch LCD including the touchscreen.
LCD-specificed intialization code is provided, so that you can save time to optimize power control register and gamma curves for best display performance. We have test the provided code, it gives the best display performanace
This is Sainsmart TFT LCD Extend shield for arduino due .Using this shield can help you out of the bothers to use other cables. You just need to plug the module to arduino due through this shield.
The shield defines that all the the data transmit ports are PC1-PC8 and PC12-PC19,the controll pins are PD0-PD3.The perfect design could realize that the data transmits in high speed.The SPI interface is designed in the ISP header of arduino due so that the SPI transfer with DMA could be achieved in high speed with no drag.
This shiled is just for Arduno MEGA2560. If you need the LCD Extend shield for Arduino Due,you need a similar shield which is also provided from our store.
This shiled is just for 7 inch TFT LCD.If you need the LCD Extend shield for 3.2/3.5/...,you need a similar shield which is also provided from our store.
This is SainSmart 7 inch TFT LCD module with the TFT LCD shield kit For arduino enthusiasts. It includes one pcs of 7 inch TFT LCD display and a TFT LCD shield for Arduino MEGA2560(R3). We will provided you the whole document including the example project of Arduino MEGA2560(R3) with the kit. We will supply you the technical support after your purchase.
It is 100% compatible with the normal MCU like ARM AVR PIC and 8051, especially on Arduino family such as Arduino Due and Arduino MEGA2560(R3).The module uses the LCD controller Chip SSD1963 with 5 inch LCD including the touchscreen.
LCD-specificed intialization code is provided, so that you can save time to optimize power control register and gamma curves for best display performance. We have test the provided code, it gives the best display performanace
This is SainSmart TFT LCD Extend shield for Arduino MEGA2560(R3). Using this shield can help you out of the bothers to use other cables. You just need to plug the module to Arduino MEGA2560(R3) through this shield.
The shield defines that all the the data transmit ports are PC1-PC8 and PC12-PC19,the controll pins are PD0-PD3.The perfect design could realize that the data transmits in high speed. The SPI interface is designed in the ISP header of arduino due so that the SPI transfer with DMA could be achieved in high speed with no drag.
This shiled is just for Arduno MEGA2560(R3). If you need the LCD Extend shield for Arduino Due, you need a similar shield which is also provided from our webstore.
This shiled is just for 7 inch TFT LCD.If you need the LCD Extend shield for 3.2"" or 5"", you need a similar shield which is also provided from our store.
Put the screen(3.2 inch screen schematic) into shield (TFT01-3.2 shield schematic) first, then connect the shield to Arduino, it is quite straight forward.
3)Download and install UTFT ,URTouch ,SdFat,UTFT_Buttons and UTFT_SdRaw library file from following link and copy them into Arduino library folder. ( i.e. D:\arduino ide\Arduino 1.6.9\libraries )
You will see the code in each sketch: UTFT myGLCD(CTE32_R2, 38, 39, 40, 41).The first value of code refer to the mode of LCD screen. Please write CTE32_R2 or ILI9341_16 if you LCD screen is ILI9341; Please write CTE32 if you LCD screen is SSD1289;
When you use the others LCD screen from the others seller, you could check the PDF instruction in documentation file or open the UTFT.h file to find the correct code.The controller mode could be identifitied by the back mark as the following pictures.
Note: In the project of testing the SD card,please insert the SD card into the slot in back of the 3.2’’ LCD screen. The format of files in SD card must be the FAT32, you need to put the test files(i.e. ICONS.RAW,WAIT4GPS.RAW,SK45) into the SD card root directory.
I am newbie on Arduino and TFT Screens. But I am a semi-professional on programming and I decided to develop a device that can be controlled by Arduino via capacitive touch screen (there will be 2 buttons on the screen and while one of them will increase the current of a device, other will decrease). To do that, I"ve bought a complete solution (Arduino Mega + 5" TFT LCD + Arduino Shiled but without Resistive touch screen - this one), instead of resistive touch screen, I"ve bought this one and I"ve bought a separate PSU.
At the end, I have an Arduino Mega, 5 inch TFT Display, 5 inch Multi Touch Screen Panel with Controller GSL1680F (assembled to the Display) and Arduino Shield which is produced for this system. But I don"t know how to communicate these three devices with each other. I know that, Arduino has built-in storage for the codes, and both TFT Display and Shield have micro-sd storage slots for placing codes. E.g. I don"t know what is the aim of micro-sd storage slot on the shield.
The IO of Arduino MEGA is 5V, TFT LCD uses 3.3V IO. This CTE TFT LCD/SD shield for Arduino MEGA provides the connection to a TFT LCD module directly without flying wires.
The shield uses 5V to 3.3V level translation IC, therefore, it is compatible with many TFT LCD modules. Compatibility is highest when compared to ordinary TFT Shield, which uses resistors or buffer to “shift” 5V to 3.3V. Compatibility issues may arise when using this method to translate IO level to 3.3V, especially at high write speed.
Arduino MEGA 3.3v is 150mA, the output may not be enough for driving larger screen (e.g. 7″, 5″ LCD modules). Therefore, this shield has a onboard 1A 3.3V regulator to supply enough current to the screen.
The shield route all the LCD data pins to port PC1-PC8 and PC12-19, control pins to PD0-PD3, this design can acheive high speed data transfer (three cycles per write strobe to the LCD) to maximize LCD display speed. The SPI interface (for SD or flash control) is route to the ISP header of arduino DUE, so that high speed SPI transfer with DMA can be achieved.
There are many tutorials on Arduino shields for 2.4 inch TFT LCD displays. In this road test I apply different tutorials to check the performance and issues of this specific shield: AZ-Delivery 2.4 inch TFT LCD display with resistive 4-wire touchscreen and an integrated SD card reader.AZ-Delivery 2.4 inch TFT LCD display.
TFT LCD is a variant of a liquid-crystal display (LCD) that uses thin-film-transistor (TFT) technology. That improves image quality, better contrast and addressability.
Depends on the needs of your project. Arduino UNO processor frequency is low. With the Arduino UNO full-color TFT LCDs are suitable to display simple data and commands. The TFT controller used cannot switch internal display RAM, so you can"t use the double buffer technique for animations but still you can only re-draw small sections of screen.
Given the limitations of the Arduino UNO the bigger the display the worse the performance. The size of this display is adequate to meet that compromise between number of pixels, display area and capabilities of the Arduino UNO.
This module consumes most of the resources available in Arduino UNO. This is not a limitation of the module itself. In return, using a parallel interface allows you to quickly update the image. If you want to take advantage of all its functionality (LCD + touch screen + SD card), only pins 0 and 1 (RX and TX, respectively) and pin 19 (A5) remain unused. If the SD card is not used, pins 10, 11, 12 and 13 are additionally available. With a suitable layout, some SPI devices could be connected even if the SD card is used.
The module arrived well packed and in perfect condition. The board comes in a sealed antistatic bag, with protective foams to prevent the terminals from bending, and all this wrapped with a bubble bag and inside an individual cardboard box. The label on the antistatic bag indicates the controller is an ILI9341.
The PCB silkscreen indicates the main function of each pin, the labels are easy to read, although it does not show labels for the touch screen pins:Pin 9 - Touch X+ / LCD_D1
The SD card reader is very well located between the USB connector and the power connector, it does not touch either of them as it happens in other lcd tft shield modules and it is easily accessible to insert and remove the SD cards.
You can directly use the shield with any arduino uno. In this case we are using an Arduino UNO that exposes all the pins both on the header and on the board. In such a way that you do not need another shield to access the pins not used by the screen
ShieldCompatible with Arduino. 5V compatible, can be used with 3.3V or 5V logic. On-board 3.3 V (300mA LDO controller). The design is very well thought out and fits Arduino UNO perfectly.
2x74LVC245A Octal Bus Transceiver With 3-State outputs. This octal bus transceiver is designed for 1.65-V to 3.6-V VCC operation. The LVC245A is designed for asynchronous communication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses effectively are isolated. Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment. This chip solves the problem of how to interface 3.3V logic devices to a 5.0V logic chip such as the Arduino. Most 3.3V devices do not like being run with 5V signals and can be damaged or flaky. The 74LVC245 is designed so that even when it runs at 1.8V, it still happily accepts 5V signals in one pin and converts it to a lower logic level on the opposite pin. It has 8 pipes it can convert but it won"t work with bi-directional/pull-up based devices such as I2C or 1-Wire. It does work great for SPI, Serial, Parallel bus, and other logic interfaces.
If you want to take advantage of all its functionality (LCD + touch screen + SD card), only pins 0 and 1 (RX and TX, respectively) and pin 19 (A5) remain unused. If the SD card is not used, pins 10, 11, 12 and 13 are additionally available. With a suitable layout, some SPI devices could be connected even if the SD card is used.
The ILI9341 which can control each pixel with a small number of pins. The shield connects ILI9341"s data pins 0-7 to Arduino digital pins 2-8 (allowing parallel communication, not SPI). ILI"s RESET goes to pin to Arduino analog pin A4.CS (chip select) to A3. RS (CD command/data) to A2. WR and RD to A1 and A0.
Includes a resistive 4-wire touchscreen (touchpad). The touch screen is attached on the surface of the display. Touch screen needs two analog inputs and two digital outputs. It connects through 4 wires, which share arduino pins 8, 9, A2, A3 with the ILI9341 driver. So you can"t write to LCD display and read the touch screen in the same time. I. Driver chip is XPT2046.
The resistive touch screen does not appear to appreciably affect the optical characteristics. Works properly, It takes a little pressure with the stylus for it to respond like in old mobile phones. You notice how it sinks into the screen when you press with the stylus. The stylus that comes with the module makes it easy to use if your interface design uses small controls. Some touch screen libraries offer better accuracy by specifying the resistance of the touch screen in the X direction. Resistance can be easily measured with a multimeter by connecting the test leads to the LCD_D1 - X + and LCD_DS X- terminals. Touch is sensitive to pressure.
The SD card reader works well. Accessing the SD card with the functions available in the SD library included in the IDE version used does not present any problem. SD cards are recognized and can be written or deleted.
This display can be mounted on an Arduino Mega or Due. It has a fairly high resolution of 320*480 pixels and is also quite large with 3.2 inch LCD size.