PID library is available(built in) in standard installation of arduino IDE or do we have to download it additionaly after installing our IDE?

How can i check which of libraries are available in my standard installation?

1 Answer 1


Open the Library Manager and search for the library you want. You will see a list of libraries matching your query. Under the name of each of those libraries, you will see a line showing the author and the version number.

  • if this lines stats with “Built-in”, then it is a library that comes with the standard installation of the IDE

  • if the line ends with “INSTALLED”, then this library is installed in your system.

  • Can you please name any famoous/common library which is "installed" and also any "library" that is built in?
    – DSP_CS
    Dec 29, 2022 at 6:23

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