Build Configurations and Sketch Size Implications in Visual Studio

If you want to understand the impact changing Build Configurations has on your Arduino Sketch size, this is a quick rundown of how it impacts the final upload. More information and links below.

The Release Build Configuration makes the end result identical to how the Arduino IDE builds the same sketch, which adds no overhead to the build produced.

In Debug Build Configuration there is additional information added so this slightly increases the size of the final build produced.

When using the USB Serial Debugger there is further code added to enable this feature, as well as additional code for each break / trace point in your sketch.

Its always worth remembering these points when either comparing to the Arduino IDE, or if you are running close to the maximum size of binary your board supports.

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