and they should have plenty of GPIO to do both the SPI and the USB and the keyboard matrix with ease.
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and they should have plenty of GPIO to do both the SPI and the USB and the keyboard matrix with ease.
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Foone🏳️⚧️
In response to this postit just smells like something they added on last-minute to work around a hardware bug
@foone could be, one trick is to drive the 595 at 5v; it will still accept 3v input from the mcu and you get a level shifter for free.
by Kit Bashir ;
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