May 30th, 2025 at 10:00pm (UTC)
 
 

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Serial0
May 5th, 2024 at 9:32am
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Hi,

Where the standard ESP32 uses Serial.print, with the ESP32-S3 I need to use Serial0.print (note the '0'). In the Arduino IDE this works, in VS2022 with Visual Micro it doesn't. I have selected the very same ESP32S3 Dev Module in both.

The error message is: 'Serial0' was not declared in this scope.

What's the problem?
  
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Re: Serial0
Reply #1 - May 5th, 2024 at 9:32pm
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Found the solution. USB CDC On Boot had to be enabled.
  
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