@draythompHey thanks very much for the link. $55US is far cheaper than some of the other scary prices.Re the valve, I was wondering if brass was an issue, and the steeper may need a gearbox.I brought one of these suckers earlier, and its already geared down, so stopping it at 5v is nearly impossible.http://arduino-direct.com/sunshop/index.php?l=product_detail&p=126I agree with you, I have so many