Circuit Wiring Solution

DescriptionCircuit showing a Dark Sensitive Power Switch .Here we have used a ldr and a ordinary transistor for making this circuit
.Connect any 230 volt equipment at the load .You need a 9 volt power supply
Components Required

         Resistor                     10 k , 680 R

          Transistor                        BC 548

          Diode                   IN 4007

         Relay         LDR