2.8 tft lcd touch shield module for arduino blue supplier
ER-TFTM028-4 is 240x320 dots 2.8" color tft lcd module display with ILI9341 controller board,superior display quality,super wide viewing angle and easily controlled by MCU such as 8051, PIC, AVR, ARDUINO,ARM and Raspberry PI.It can be used in any embedded systems,industrial device,security and hand-held equipment which requires display in high quality and colorful image.
It supports 8080 8-bit /9-bit/16-bit /18-bit parallel ,3-wire,4-wire serial spi interface.Built-in optional microSD card slot, 2.8" 4-wire resistive touch panel with controller XPT2046 and 2.8" capacitive touch panel with controller FT6206. It"s optional for font chip, flash chip and microsd card. We offer two types connection,one is pin header and the another is ZIF connector with flat cable mounting on board by default and suggested. Lanscape mode is also available.
Of course, we wouldn"t just leave you with a datasheet and a "good luck!".Here is the link for 2.8"TFT Touch Shield with Libraries, EXxamples.Schematic Diagram for Arduino Due,Mega 2560 and Uno . For 8051 microcontroller user,we prepared the detailed tutorial such as interfacing, demo code and development kit at the bottom of this page.
ER-TFTM028IPS-4-IPS is 240x320 dots 2.8" color IPS tft lcd display with ILI9341 controller and board,superior display quality,super full viewing angle and easily controlled by MCU such as 8051, PIC, AVR, ARDUINO,ARM and Raspberry PI.It can be used in any embedded systems,industrial device,security and hand-held equipment which requires display in high quality and colorful image.
It supports 8080 8-bit /9-bit/16-bit /18-bit parallel ,3-wire,4-wire serial spi interface.Built-in optional microSD card slot, 2.8" 4-wire resistive touch panel with controller XPT2046 and 2.8" capacitive touch panel with controller FT6206. It"s optional for font chip, flash chip and microsd card. We offer two types connection,one is pin header and the another is ZIF connector with flat cable mounting on board by default and suggested. Lanscape mode is also available.
Of course, we wouldn"t just leave you with a datasheet and a "good luck!".Here is the link for 2.8"TFT Touch Shield with Libraries, EXxamples.Schematic Diagram for Arduino Due,Mega 2560 and Uno . For 8051 microcontroller user,we prepared the detailed tutorial such as interfacing, demo code and development kit at the bottom of this page.
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I have already searched through this forum but I found out most of the 2.8"" TFT LCD problems discussed here are based on the one with a breakout board module, which can be directly plugged into Arduino UNO. While the screen I got has 34 pins, 17x2.
as a guide to interface the screen with Arduino UNO. I find out that the screen shown in the link actually has slightly different pins compare to the one I bought (Because the one is for 2.4"" TFT LCD I guess?).
So, anyone has deal with this kind of 2.8"" touch screen before? What is the exact connection on this? And also on my screen, the pins MISO, MOSI, CLK, T_CS, PEN, F_CS are left unconnected.
i looked up 8347 and found there is are controllers with that number, and i tried the UTFT set up for the HX8347A controller with no luck, but im hoping someone with more knowledge than me can figure it out.
2.8" TFT Touch Shield is an Arduino / Arduino Mega compatible multicolored TFT display with a 4-wire resistive touch screen. It includes an Arduino shield compatible footprint for attachment. The TFT driver is based on professional Driver IC and with 8 bit data and 4 bit control interface.
The TFT library provides the following Application Programming Interfaces(API). The library makes use of direct access to PORT registers instead of Arduino APIs. This is to increase the speed of communication between MCU and TFT. At present, the library supports Arduino, Arduino Mega (1280 or 2560) and Seeeduino ADK Main Board compatible boards. In Mega the 8bit data port of TFT is distributed to different pins belonging to different ports. This decreases the speed of graphics drawing when compared to Arduino. The choice of port pins are purely based on Arduino / Mega port pin arrangement.
TFT Touch Shield uses the Adafruit Touch Screen Library. To understand the principle behind resistive touch screen refer External Links. In short, a 4-wire resistive touch screen provides two voltage divider each for X and Y axis. By applying proper voltages for each axis and scanning the ADC values the position of the touch can be detected. These values are always prone to noise. Hence a digital filter is used.
The Raw ADC value has to be converted to Pixel Co-ordinates. This is done with map function. This mapping changes for v0.9 and v1.0. The demo applications already takes care of this mapping.
The parameters TS_MINX, TS_MAXX, TS_MINY and TS_MAXY actually decides the extreme ends of the touch screen and actually forms the calibration parameters.