I have the ILI9488 TFT touch display and I'm using the TFT_eSPI library. When I connect only the touch, it works. When I connect only the TFT, it works. When I connect both, the touch works but the TFT doesn't work. The TFT SDO pin is left unconnected. (Warning: Do not connect the ILI9488 display…

ILI9488 strange problem

vlapr1 March 8, 2024, 9:00pm 2

It seems that connecting the TFT SDO pin to VCC helps. WHY?

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