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Forum Index : Microcontroller and PC projects : The ILI9341 display rotates the coordinates.

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Posted: 07:40pm
17 Mar 2026
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vegipete
Guru


Thank you for the above information and troubleshooting.

I also received a "bad" LCD panel much like the second image in the second post above. Mine is a 2.8" display, V1.1

Using
OPTION LCDPANEL ST7789_320, LANDSCAPE,GP5,GP6,GP7,GP8,INVERT
the panel I have behaves correctly. Colours are correct, 0,0 is top left with the SD card at the top.

Setting the lcdpanel to ILI9341 messes up the screen geometry and rotation, with a square display area, an uncleared section and graphics that wrap when they extend past 240 pixels.
 
Posted: 09:39pm
17 Mar 2026
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vegipete
Guru


For completeness, here's the dimensions I've measured from the screen I have.

Features are centered unless noted otherwise.
 
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