Picomite - lcdpanel console white-out


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Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 8885
Posted: 06:51pm 06 May 2026      

...or just rewrite the entire screen when you update it. That's what it would do anyway. SPI is serial so there probably wouldn't be much speed loss. Without MISO there can never be data whatsoever from the LCD.

I just looked at the schematic. It's a good board to avoid. :) They've skimped on pins and sacrificed MISO as it's not needed in many cases. As usual they've used GPIO pins for the SD card that they don't need.