It would be nice if the SDIO pins were defined for this variant like other variants. A pinout diagram is here. I think this is the correct definition. // SDIO #define PIN_SD_CLK (18u) #define ...

This library is a Arduino-friendly version of TinyUSB stack. It is designed with structure and APIs that are easily integrated to an Arduino Core. There are 2 type of supported cores: with and without ...

Arduino does not have a single-step debug feature. You can debug your code with the "serial monitor" that will print out in a "serial window" values of variables you call for. In what you have as ...

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