Name: 2.8 Inch TFT LCD Shield Touch Display Screen Module Geekcreit for Arduino - products that work with official Arduino boards
Brand: Pricio
SKU: bg-989697
Price: 2000 INR
Availability: InStock
Rating: 5.0 (495 reviews)

Question 1

How do I get touch to work? And is the driver 0x9341 or a different one? Online search I didn't find any help.

Accepted Answer

I bought one of these recently. It IS a touchscreen (as advertised) and uses the ILI9341 chip.You need the libraries:  Adafruit_TFTLCD.hAdafruit_GFX.hTouchScreen.hbut make sure you use an older version of the Adafruit GFX.h (I used V1.5.3 as later versions broke compatibility).I also included the ILI9341 library in my sketch (downloaded using the Arduino IDE), but unsure if that was needed.Hope this helps.

Question 2

Hi how could I turn off the screen with the Arduino, and without turning off the Arduino?

Accepted Answer

If using the Adafruit TFT, or the MCUFRIEND_kbv library, you would just do a tft.fillScreen(BLACK);You would obviously need the hexadecimal value for the colours, but that’s the best way to do it.If you want to actually turn it off, 
                                                                                                                    maybe you could do a tft.reset(); then don’t do a tft.begin(identitifier); till you want to turn it on. Try it, it doesn’t hurt to try. Just experiment and see what you get. Hope this helps.
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Question 3

Can it be used for 3D printer?

Accepted Answer

have no idea how u thinking or mean

Question 4

is there any kind of software to configure this screen or just can with the arduino IDE?

Accepted Answer

arduino or any other

Question 5

Can I use it with a raspberry Pi without tactile?

Accepted Answer

somehow can

Question 6

how to wire this to Arduino nano?and how many es will still be available?

Accepted Answer

With a nano, you would have the same wiring as an uno, just that it wouldn’t be a shield anymore. You would need many many wires lol. You would have to place it on a breadboard and wire it accordingly.As
                                                                                                                    of free pins, you would have the SCL and SDA pins, digital 0 and 1, and analog 5. With the Uno, I use it as a shield, but I used a wire cutter to take off A5, digital 0 and 1, VIN and RESET. Sorry for too much information, I hope this helps.
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Question 7

I am thinking about getting this screen for a wifi thermostat project. With this installed, how can I access the necessary pins for the ESP8266 and the DHT22? Thanks and Happy New Year!

Accepted Answer

It's a nice screen and it fits exactly on the Arduino UNO however when it is connected to your Arduino UNO you don't have any pins free to use for other things,there is a way you can use other sensors
                                                                                                                    together with this display but it is risky and complicated, you could for example share pins by multiplexing but I do not recommend it.Another way you can use this screen is to dedicate your Arduino UNO to the screen and connect another Arduino via USB to communicate with a second Arduino... Then you let one Arduino do all the screen stuff and you let the other one do all the input and output.It's the only way to make this screen somewhat useful, it's better to just get a character LCD with the I2C 4 wire communication or a similar OLED display with I2C communication, SPI communication also works but you need more pins for that.
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Question 8

does this include only the lcd shield or lcd screen also ??

Accepted Answer

Yeah

Question 9

How does SPI work with the board?

Accepted Answer

well

Question 10

Why is my touch screen not working? I can't draw and switch on the screen. Help me.

Accepted Answer

never used it

2.8 Inch TFT LCD Shield Touch Display Screen Module Geekcreit for Arduino - products that work with official Arduino boards

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