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I had difficulty tracking down information on which pins can be used with attachInterrupt(), so I thought I'd share what I found. Hopefully it's useful to someone.
I had difficulty tracking down information on which pins can be used with
attachInterrupt()
, so I thought I'd share what I found. Hopefully it's useful to someone.A216EXTERNAL_INT_0A317EXTERNAL_INT_1A620EXTERNAL_INT_4A721EXTERNAL_INT_5That information was extracted from github.com/arduino/ArduinoCore-samd/blob/master/variants/nano_33_iot/variant.cpp. Use at your own risk, etc.
Edit: Trials show the analog pins don't seem to work as interrupts.
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