monitor

Link from Engadget: http://www.engadget.com/2009/12/17/iraqi-insurgents-using-26-software-to-monitor-predator-video-fe/

I was looking around at different things, and I came across a site that has the complete plans for building a pH monitor for a tank, one that can be built by anyone with a bit of electrical knowledge. As I have more then a bit of such knowledge, I think I'll be looking into building one...