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Replying to @fewalab
I just use a Feather with an SD card and the Adafruit DAP library, which might cost $0 if you have a spare one laying around :) https://learn.adafruit.com/programming-an-m0-using-an-arduino
(original)
Replying to @fewalab
I just use a Feather with an SD card and the Adafruit DAP library, which might cost $0 if you have a spare one laying around :) https://learn.adafruit.com/programming-an-m0-using-an-arduino
(original)