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Showing posts with label ldr. Show all posts
Showing posts with label ldr. Show all posts

Tuesday, April 9, 2013

Dark Sensitive Power Switch Circuit Diagram Using LDR


Description

Circuit 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
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