Keeping track of things like the temperature, humidity, and smoke level in your house is important. If you want to make your own system for doing so, Instructables user ICStation shows off how to use ...

[url=http://arstechnica.com/civis/viewtopic.php?p=31622763#p31622763:2qs83ys1 said: You do some PCB stuff? I'm dying to go into basic electronics & circuits, but I ...