This was my first project involving any kind of self written software or electronics design. This version of my indoor garden was surprisingly successful in yielding fruit from hot peppers, leafy flavorful herbs and even some tomatoes. I hope this helps in your projects in some small way.
Blumat watering carrot and soil moisture sensor.
Plants are sending moisture information to arduino and being watered by the blumats.
5 Gallon bucket with waterpump necessary to pressurize blumats against gravity