Hi there, I am having some trouble getting a basic Arduino setup to work on macOS Sequoia 15.6.1 on my M1 Ultra Mac Studio (Apple silicon, not Intel). I am able to compile simple firmware but flashing does not work - I always get an error from avrdude, both in Arduino IDE and if I try via CLI: avr…

Errors flashing on macOS

sonofcy September 1, 2025, 10:45pm 5

Have you installed Rosetta2? The Apple download does NOT include some of the tool chain apps; you will need Rosetta for them.

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