I am looking for the best way to power my irrigation project. I plan on using a Spark Core to power a solenoid valve to turn the water for my hose off an on. I was hoping that I could use a solar panel with a LiPo to leave this device running all summer. Some of the components I am looking at:
Solenoid Valve: http://www.adafruit.com/products/997
Any suggestions are welcome!