Hello all, I'm new to Arduino and I've been trying to get a red LED to flash on and off however when I try to upload my code I keep getting an error. What does this error mean and how can I fix it? Arduino: 1.8.12 (Mac OS X), Board: "Arduino Mega or Mega 2560, ATmega2560 (Mega 2560)" Sketch uses…

Install the board's package core via the Arduino IDE: · Tools > Board > Boards Manager · Search for "Arduino AVR Boards" · From the drop-down menu select latest version · Click "Install/update" · Wait for installation to finish · Click "Close" and restart your IDE. . Plug your board back to t…

MEGA 2560 Upload Error Mac

Development Tools IDE 1.x

er_name_not_found August 29, 2021, 9:17pm 2

Have you selected the board and com port?

Edit: I see the board is selected. Check the com port

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MEGA 2560 Upload Error Mac

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