I know posts on automated plant care are very popular on Gadget Master, so I want to highlight this Arduino appnote - Smart Farm Irrigation System Using Arduino Edge Control.

To address this, Instructables user benrbill came up with a game-changing solution: an automatic drip irrigation system powered by Arduino.

What are smart irrigation systems? Automatic irrigation systems have been around for years, turning the sprinklers on and off at prearranged times.