Friday, 3 May 2013

Week 3

Research About The Project

Block Diagram of Project

List of Component


  • Printed Circuit Board
  • Micro controller à PIC 16F72
  • 5V, 12V Dc Power supply
  • IR sensor à Passive Infrared Sensor
  • LDR à Light Dependent Resistor
  • Thermostat
  • LCD à Optrax, 2 line by 16 characters
  • Zero Crossing Detector
  • Lamp (Mentol)
  •  Fan (Motor)


Component for Power Supply


  • Step down transformer.
  • Bridge rectifier circuit.
  • Input filter.
  • Voltage regulators.
  • Output filter.
  • Indicator unit.

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