The Irrigation Hat Board - Smart irrigation system 

This video introduces the Irrigation Hat board for the raspberry PI. The Board is designed to work with the Hydrosys4 software.
The Hydrosys4 software is open source, it aims to create a Smart irrigation and automation system using the Raspberry PI capabilities. The system implements direct internet connection between your devices and the Raspberry pi. No external servers are involved.
For more info you can refer to:
Website: hydrosysblog.w...
Forum: hydrosys4.wixs...
The boards and other items can be purchased on my shop:
www.tindie.com...