I am trying to set up light-activated-resistors that activate a light during dark hours. I have bought a ready Chinese thing that apparently contain a driver to change from AC to proper DC output for ...
Is Rhino® lining a viable option for a residential roof? I know for many people it is cost prohibitive, are there any regulations concerning polyurethane coatings on a roof? Has this been done before? ...
My A O Smith ProMax gas water heater started going out at various intervals. I would re-light it and it might stay lit for a few minutes, few hours, or even a day or so. I figured it was the ...