Hosyond 3.5 Inches TFT LCD Touch Screen Shield Display Module 480x320 SPI Serial ILI9488 with Touch Pen Compatible with Arduino R3/Mega2560 Development Board

This display was the king of benchmarking for the TFT_eSPI library with my Pico and its fancy PIO controllers. Literally the fastest display result, partly because this is a 16bit parallel display. That means it uses almost all the Pico GPIO pins to connect! So don’t buy this if you want simplicity - just get a SPI 4 wire display instead. But if you need display performance, this is the ultimate. I am pretty positive I could run Pico DOOM on this screen with the TFT LCD fork. I wrote detailed setup notes in the TFT_eSPI GitHub Discussions if you search there for Pico and ILI9486.

Check their website - they have example code and manuals (EN & CN) for this specific display, Noticed some folks had problems with the touchscreen. Often with these the display has 0/0 for X/Y coordinates in upper left corner which rotates if the display is rotated. Touchscreen may have 0/0 in bottom left which does not rotate with the display. May appear to not work because touchscreen isn't mapped correctly in your code.

The touch screen (in video provided) is very responsive, however as seen it is bad or in my time of having mine (not very long) it has degraded so much that it stopped getting regular input. I tried recalibrating it but the included software isnt very good at it and it was still doing that curve. Their tech support is pretty much nonexistant and im pretty sure that its just a rebranded product. I am getting another one as the value is pretty good so im going to hope that the new one is not going to have a defective touchscreen.

After libraries were installed and wired the LCD screen correctly to my Arduino UNO, all I got was a blank white screen. No matter what I did—installing new libraries, reconnecting every pin, going through youtube videos to find solutions—it still only displayed a white screen. Had to return it because I suspect something is either wrong with the test case codes they provide or the LCD screen itself is faulty. Documentation was fairly confusing too.

Ok, this is great little screen and it pares up really nicely to an ESP32. Google 320x240 SPI Serial ILI9341 with ESP32. It does take a little tweaking in the Arduino IDE. There are 9 wires that go to 12 (I think) pins on the screen. There are several examples that are included with the Arduino library that will help show off the features and give code examples. I have not tried the SD card, so I cannot speak to that but a lot of other people commented on how well it works. There is an included stylus, but I really only used that during the initial setup. It is a resistive touch display, so no multi touch. The nice thing with resistive touch is that it works with gloves on.