Putting Librarys in the setup or loop() possible ?

Projects General Guidance
1

Hi there,

I have a question: can I put library.h in the setup or loop method ?

I wanna put the "#include <ArduinoJson.h>" right into the the loop method ?

My real intention is: to activate or deactivate the library

2

No,
A library is used by the compiler at compile time, and "disappears" after the code is compiled.
Therefore it is not possible to activate and deactivate the library in a code in use after it has been compiled.

Explain your need better, as there may be other ways to do what you need.

1 Like
3

it sounds logical, thanks man.

4

Do you get a warning or error when including a library file from setup() or loop()?

5

I tested it here by putting a library either in setup() or in loop() and compiled it.
No error messages were printed.

IDE 1.8.19

6

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