Check out the home monitor article series by our user IonutL.
He writes
Our life is full of different gizmos that expose some kind of intelligence. They are designed to entertain us, to make life easier or to command and control other aspects of our life. Devices that can sense temperature, humidity and/ or pressure in the atmosphere and show us the weather are not uncommon, but there are many other types of sensors.
Read the full story
https://www.rs-online.com/designspark/home-monitor-with-rock-4c-part-1-setting-the-basics
and check out part 2 of his series, too!
https://www.rs-online.com/designspark/home-monitor-with-rock-4c-part-2-connecting-the-dots