VS Arduino - error: 'SerialUSB' was not declared in this scope

Jul 14^th, 2025 at 4:27pm (UTC)

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VS Arduino › Visual Micro › General Board › error: 'SerialUSB' was not declared in this scope

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error: 'SerialUSB' was not declared in this scope (Read 5114 times)

MadHattan Newbies Offline Posts: 3 Location: Manhattan Kansas Joined: Sep 10^th, 2014	error: 'SerialUSB' was not declared in this scope Jun 3^rd, 2016 at 3:52pm	Print Post
	I am attempting to use Visual Micro with an Adafruit Feather M0. The sample Blink code compiles and deploys perfectly with Arduino IDE but fails in Visual Micro. Becca.ino:In function 'void setup() Becca.ino:18:57: error: 'SerialUSB' was not declared in this scope :void setup() { debugger: The error shown above might be caused by invalid breakpoint syntax or the board is not yet supported for debugging (pls let us know!) Error compiling project sources


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Tim@Visual Micro Administrator Offline Posts: 12191 Location: United Kingdom Joined: Apr 10^th, 2010	Re: error: 'SerialUSB' was not declared in this scope Reply #1 - Jun 3^rd, 2016 at 5:45pm	Print Post
	Hi, Please switch off debug by changing the tool bar from "Debug" to "Release" then it will upload same as Arduino Ide Please confirm which feather you have so I can test debug for the board. There are a number of feathers each with a different processor. Thanks


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