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Automatic room light controller with bidirectional visitor counter

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Automatic room light controller with bidirectional visitor counter

  1. 1. A Project on Automatic Room Light Controller With Bi-directional Visitor Counter By Kushal Sarkar, Roll No. : 47 Lotish Gupta, Roll No. : 48 Niladri Dutta, Roll No.: 57 2nd year, B.Tech Of Department of Electronics and Communication Engineering SIR J.C. BOSE SCHOOL OF ENGINEERING Supreme Knowledge Foundation Group of Institutions
  2. 2. Contents
  3. 3. Introduction Automatic Room Light Controller With Bi-directional Visitor Counter In today’s world, there is a continuous need for automatic appliances. The objective of this project is to make a controller based model to count number of persons visiting particular room and accordingly light up the room automatically. Here we can use sensor and can know present number of persons.
  4. 4. Aim of our Project The aim of our project is to make a controller which can sense if any person enters the room and it lights up the room automatically and also counts how many person are entering the room or going out of it. It is made to unwanted prevent electric power waste in schools, colleges, offices and houses. This whole process is operated totally automatically by its sensors.
  5. 5. Components Required
  6. 6. Circuit Diagram
  7. 7. Circuit Diagram
  8. 8. Working Principle
  9. 9. Working Principal
  10. 10. Working Principal • If the sensor 1 is interrupted first then the microcontroller will look for the sensor 2, and if it is interrupted then the microcontroller will increment the count and switch on the relay, if it is first time interrupted. • If the sensor 2 is interrupted first then the microcontroller will look for the sensor 1, and if it is interrupted then the microcontroller will decrement the count. • When the last person leaves the room then counter goes to 0 and that time the relay will turn off, and light will be turned off.
  11. 11. Advantages of Automatic Room light controller – Low cost – Easy to use – Can be implemented in single door – Can be used for counting purposes – Can be used for automatic room light control
  12. 12. Disadvantages • It is used only when one person cuts the rays of the sensor hence cannot be used when two or more persons cross the door simultaneously. • When anybody is inside the room and we need to switch off the power then we’ve to do it manually. So, in this case we fail to automatically control the light. • In seven segment display board we can count up to a certain no of people entering into the room. If the no of body entering the room is greater than the maximum limit of the display board then we fail to count it.
  13. 13. Other Applications • For counting purposes • For automatic room light control
  14. 14. Conclusion The theme of this project when merged with certain established technologies can be quite effective in number of countries like Germany, France & Japan etc. which control the train. This Project is useful in developing countries and this project has a bright future. This project helps us to control the light of a room automatically and counts the number of persons/visitors entering and leaving the room. By using this circuit and proper power supply we can implement various applications such as fans, tube lights etc.
  15. 15. Bibliography • Reference Books: • E BALAGURUSAMY, “Programming in ANSI C”, Tata McGraw Hill, May 2010. • MUHAMMAD ALI, MAZID JANICE, GILLISPIE MAZIDI, “The 8051microcontroller and embedded systems”, Pearson Education, April 2009. • Websites: • www.datasheets4u.com • www.datasheetcatalog.com • www.8051.com
  16. 16. Acknowledgement • We deem it a pleasure to acknowledge our deep sense of gratitude to our Language Laboratory teacher, Mrs. Srima Nandi, Assistant Professor, Dept. of Humanities & Social Sciences, Sir J. C. Bose School of Engineering, Supreme Knowledge foundation Group of Institutions (SKFGI), West Bengal, who directed and guided us with her timely advice which eased the task of completing this Project. • We wish to reciprocate in full measures the kindness shown by Mr. Aritra Acharyya, Assistant Professor, Dept. of Electronics & Communication Engineering, Sir J. C. Bose School of Engineering, Supreme Knowledge foundation Group of Institutions (SKFGI), West Bengal, who encouraged and inspired us in successfully completing Project.
  17. 17. Any queries…. ????

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