1
vote
3answers
49 views

Need a water sensor/switch for basement that I can interface to a PC [closed]

What I want is something that detects the presence of water, and sends a signal. It will be used to detect when the main drain in the basement gets clogged so that I can take preventative measures ...
1
vote
2answers
353 views

Installing a switch for a water heater's lower element

I'd like to install a switch for the lower element of my water heater. I haven't even looked inside the water heater yet, but I'm a little confused about what the best way to go about doing this ...