So I'm having some difficulty with my valves and relay board. I bought a 8 relay module board 12V see ebay: http://www.ebay.com/itm/250609010929?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
And I have some 12V ball valves: http://www.tf-valvefittings.com/goods-2.html
I have a 12V 2A...