Examples ideas

Examples are short, specific and self-contained articles about specific topics or possibilities.

• Understanding NeuroKit: how to see what a function does in the docs, then its code on github, then where is the code located on your machine, and where you can try to make changes/fixes
• How to contribute: once some change/fixes are mde, how to push back to

The link in the docs to the Espressif toolchain setup guide ( http://esp-idf.readthedocs.io/en/v2.1/get-started/index.html#standard-setup-of-toolchain ) seems to be dead - it tries to force you to login.

Maybe you could link to this instead: https://docs.espressif.com/projects/esp-idf/en/v2.1.1/get-started/index.html#standard-setup-of-toolchain
which is for v2.1.1?

It would be nice to have the most important metrics like RMSSD in the title for easier access and making it useful on other platforms like TrainingPeaks.