How to make Rain Water Detector

How to make Rain Water Detector  {sensor}    Use normal wire and remove its insulation coating. Take a glance according to the diagram and make a sensor. Keep the wire as close as possible without intersecting them.

How to make Automatic night light with AC Load [ Darkness Detector ] Description. The circuit diagram present here is that of a street light that automatically switches ON when the night falls and turns OFF when the sun rises. In fact you can this circuit for implementing any type of automatic night light. The … Read more