LIGHT SENSER

LIGHT SENSER




            This is a simple light sensing circuit that can be used to sense the presence of light . This can be used in automatic darkness controlled light and this can be used in security systems
  
              This circuit is a simple low cost hobby circuit . I hope every one will try this .

COST
1.LDR............. 7 /-
2.Pot................10/-
3.NE555..........5/-
4.Resistor.........1/-
5.LED's............3/-
6.Battery...........15/-

Total cost..41/-

 NOTE :-the cost may be vary but the maximum limit is Rs60/-