Gardening + Arduino = Garduino!
There are many available projects for the automated irrigation and lighting of plants using the Arduino board.
For those who were not already aware, here is the link to a tutorial by Instructables published a few days ago.
And here an old but useful article written by Luke Iseman on Make Volume 18.
The Botanicalls crew had created a leaf-shaped electronic board that allows transmission via Twitter of your plant conditions.
It ‘s time to seed!