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Im using a Raspberry Pi 4 running the latest version of Raspbian.

I need to run 2 separate 5" LCD displays at 800x480.

This is the LCD I'm using: https://www.adafruit.com/product/1680, connected through this board: https://www.adafruit.com/product/2218

I've tried modifying config.txt to change resolution, but this only changes HDMI 1 to 800x480 and leaves HDMI 2 at the regular resolution.

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  • Hi @DekkoWolfe, Welcome. Please give us a link to your 2.5" LCD.
    – tlfong01
    Nov 15, 2019 at 4:33
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    Just edited post to clarify, I am using two separate 5" LCD screens. However, here is a link to the screens I am using (Both the same) adafruit.com/product/1680
    – DekkoWolfe
    Nov 15, 2019 at 4:51
  • Ah, your 5" mon is RGB TTL and has an unusual 40 pin connector. I think it is NOT HDMI, and therefore NOT compatible to Rpi. For cheapie small 0.9" to 3.5" LCD/LED monitors with or without touch screen, you might like to consider SPI/I2C interface monitors, such as this. (1) raspberrypi.stackexchange.com/questions/105364/….
    – tlfong01
    Nov 15, 2019 at 5:07
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    I seem to also have forgotten to mention that I am using this board to connect the LCDs to the Pi adafruit.com/product/2218 (I posted this before going to bed, probably not the best idea)
    – DekkoWolfe
    Nov 15, 2019 at 10:20
  • Ah your update info makes every thing clear now. Cheers.
    – tlfong01
    Nov 15, 2019 at 11:51

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