[Solved] Which board for AtomS3U in Arduino IDE?
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 @froyomuffin AtomS3 
 The important detail is the 'S3'
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 ESP32 S3 Development Board. 
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 @teastain Hey! For some reason it started working today. Using M5AtomS3!. Thanks a bunch! 
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 @ajb2k3 Can't seem to find this. Is there a manager that I need to install? 
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 @froyomuffin If you install the Espressif libraries in arduino then it should be there. 
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 @ajb2k3 Hey, managed to find a dev module which seems to work without Serial Monitor. I think I'll stick to M5AtomS3 unless there's something particular about "ESP32 S3 Development Board"? 
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 @froyomuffin 'The ESP32 S3 Development Board" is a generic board type for run of the mill AliExpress cheapie boards. It actually appears as ESP32S3 Dev Module in the Arduino IDE ver2.2.1 list of boards: 
  I use M5AtomS3 and use the <M5AtomS3.h> library API. It just works better with more M5Stack custom features. 
  
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 @teastain Awesome. Thanks for confirming. I'll use M5AtomS3 going forward. :) I'm still fairly new to Arduino so might have a bit of a silly question: How did you conclude that "ESP32 S3 Development Board" just meant the "ESP32S3 Dev Module"? Is it a convention or is there somewhere I missed? 
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 @froyomuffin I am a ten year Arduino IDE guy, you just absorb things! 
 And...yes the board searach engine is very 'literal' ESP<space>32<space>S3...sends you down a deep rabbit hole.
 LilyGO T-Display S3 products are S3 and use the generic ESP32S3 Dev Module, that's how I know.
 Use Arduino IDE v2.2.1, it's easy to use and very modern.
 -teastain@me.com
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 @teastain Aahhh. Thanks! I'll know from now on! :D 

