Robot Minion - Open Source Smart plant moisture sensor 

This is a Ardunio based robot that tells you with audible voice if your plant needs a water.
Yellow Robot site: www.yellowrobot...
Instructions: www.instructabl...
Source on GitHub: github.com/eva...
References:
www.tindie.com
Water Me bird: www.tindie.com...
Robo Birds on ebay:
www.ebay.de/itm...
www.ebay.de/itm...
Chirp! sensor:
www.tindie.com...
www.tindie.com...
Green thumb:
www.tindie.com...
Flower Power:
www.parrot.com/...
Click and grow:
www.clickandgro...
Lilo:
www.kickstarte...
Planty:
nthing.net/en/...
Niwa:
getniwa.com/sto...
Grove Ecosystem:
www.kickstarte...
Biopod:
www.biopod.com/...
Tweeting plant:
www.botanicall...
Traffic lights robot for plants:
www.instructabl...
Robot with emotions for plants:
www.instructabl...