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By sblantipodi
#82490 As title.

I have wrote a simple sketch in Visual Studio Code with platformio plugin.
I have loaded it on my Lolin D1 Mini 4MB.

If I print ESP.getSdkVersion() it says 2.2.1(cfd48f3)...

This means that my sketch is running on NodeMCU sdk, is this right?

Who said it to run on NodeMCU SDK?
When I load my sketch, do I load even the NodeMCU SDK or the NodeMCU SDK is built in my D1 Mini board?

What is the difference between Arduino SDK, ESP SDK and NodeMCU SDK?

Please help me understanding those differences.