/members-area/personalblogs/b/blog/posts/dissolved-o2-sensing---omg-it-could-work-for-cheapHi kids -Sean here. I'm the dude trying to make a dissolved O2 (DO) sensor from scratch! You may be asking yourself why you care about dissolved oxygen in the first place...the short version is that dissolved oxygen is an important factor to know wheen-USTelligent Community 12