Efficient Power Manager Project

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Efficient Power Manager Project
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The system is designed for optimum energy usage by monitoring the number of people present in the room. The electric loads are switched on as soon as someone is present in the room and switches of on detecting no presence.
The system uses InfraRed Sensor pairs in order to fulfil this purpose and thus saves a large amount of energy. Each pair consists of 2 sensor pairs placed at a certain distance from one another in the opposite direction. The IR transmitter is used to transmit IR rays straight to the receiver which receives the input and feeds this to an 8051 Microcontroller.
As soon as a person enters into the room, it is detected by the IR sensor module and this info is fed to the microcontroller. The microcontroller process this input received and switches on the load. At this time the system also counts the number of people present and increments a counter on each arrival, this count is displayed on a 7 segment display. As soon as the last person exits the room, the sensor detects no presence and hence switches off the load/lamp. A small lamp is used to demonstrate as a load.


Hardware Specifications

  • 8051 series Microcontroller
  • Voltage Regulator
  • Diodes
  • LED
  • Transistor
  • Lamp
  • Push Button
  • IR LED’s
  • Relay
  • IR Receivers
  • 7- Segment Displays

Software Specifications

  • Keil Compiler
  • MC Programming Language: Embedded C

 

 

 

 

 

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