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Install ArduinoCore-SAMD


  • Macbook Pro: Mac OS 12.0.1 Monterey
  • Arduino IDE 1.8.16

Install ARduinoCore-SAMD

Ref. [ArduinoCore-SAMD])(

  1. Arduino IDE, click File->Preferences.
  2. Click the button next to Additional Boards Manager URLs.
  3. Add
  4. Save preferences, then open the Boards Manager.
  5. Install the Arduino SAMD Boards package. Used 1.8.12 as the latest version.
  6. Install the MattairTech SAM D|L|C Core for Arduino package as it seems to have ‘Generic_D11c14A’. Used 1.6.18-beta-b1.


Last update: November 27, 2021