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warning about some 2.8 SPI TFT (ILI9341) displays on eBay.
#19

(14-04-2018, 23:18)engolling Wrote:  I just started up my RX PCB for the first time. The display is working, but as already feared, the touch is - I think -  mirrored.
Initially I thought I bought the right one, because the pictures are very similar.

So I will try to adjust coordinates tomorrow. I think the error is methodical, so it should be not a big deal... hopefully Smile

Can you please post a front face picture of your display. I mean a real picture not one of the pictures on the seller listing.
I would like to see the position of the touch panel connector.

Out of curiosity, the seller have pictures of the display with the XPT2016 chip and with HR2046 chip too. I suspect that the problem is not the chip, but two other factors: the type of the touch panel and the way it is connected in relation to the original display.
There are libraries which include examples code to do calibration of the touch panel no matter the rotation you want to use, none of them that I know will deal with those displays.

Of course that with some work (tedious) its possible to change the code (a nightmare for future software upgrades) to make them work. The better is buy the right type of display, they are available from many sellers.

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Messages In This Thread
warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 14-03-2018, 20:56
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by gekk-cz - 25-03-2018, 19:14
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by Barrow4491 - 26-03-2018, 01:27
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 26-03-2018, 02:16
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 26-03-2018, 02:28
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by gekk-cz - 29-03-2018, 12:53
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by f4aii - 09-04-2018, 17:28
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 10-04-2018, 07:15
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by engolling - 10-04-2018, 20:42
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by f4aii - 11-04-2018, 06:49
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 12-04-2018, 18:43
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by engolling - 14-04-2018, 23:18
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 15-04-2018, 01:25
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by engolling - 15-04-2018, 08:24
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by hornychz - 09-04-2018, 17:40
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 10-04-2018, 07:04
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by Barrow4491 - 12-04-2018, 23:34
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by f4aii - 13-04-2018, 21:27
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by Bill7300 - 15-04-2018, 00:14
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 15-04-2018, 01:48
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 13-04-2018, 22:04
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by engolling - 15-04-2018, 09:05
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 16-04-2018, 02:01
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by engolling - 16-04-2018, 20:21
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 16-04-2018, 20:36
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by engolling - 16-04-2018, 20:44
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 16-04-2018, 21:41
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by engolling - 16-04-2018, 22:12
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 16-04-2018, 22:45
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by engolling - 17-04-2018, 13:19
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 18-04-2018, 06:36
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 18-04-2018, 06:36
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by 41south - 22-01-2019, 04:05
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 22-01-2019, 04:40
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by 41south - 22-01-2019, 05:10
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 22-01-2019, 06:04
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by 41south - 22-01-2019, 06:08
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by 41south - 29-01-2019, 23:29
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by werk_ag - 30-01-2019, 03:25
RE: warning about some 2.8 SPI TFT (ILI9341) displays on eBay. - by 41south - 30-01-2019, 09:02



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