Resources

SAMD51 Datasheet

MartinL Holy Grail

• Analog Comparator Example

• SAMD51 4 pin DMA multiplexing + ZeroDMA format

  • https://forum.arduino.cc/t/samd51-adc0-and-adc1-multiplexing-with-dma/1238002/5

Possible Issues With Datalogging + SD/SPI

Adafruit SdFat might not be the move :(

More SPI speedup stuff for the M0