http://www.embeddedinnovationlab.com

“Final year embedded system projects centre in

bangalore”

AUDITORIUM CONTROL

Here in this project we are going to the control the auditorium

when visitor enters. Here we utilize the most popular invisible light IR

(Infra Red) rays to sense the visitors. Final year eee projects in

vijayawada. For bidirectional operation we employ two IR detector and

IR emitter circuit.

This IR emitter is switched in 30 to 40 KHz for proper sensing

operation. Infrared is an energy radiation with a frequency below our

eyes sensitivity. Final year ece projects centre in bangalore. This

infrared can use for communication purpose but it has lot of

disadvantages due to the interference of other infrared sources. So to

avoid such interferences we switch the emitter in 30 to 40 KHz.

“Final year vlsi projects in bangalore”. This switching

frequency is generated by the microcontroller AT89s52. This same

microcontroller will receive the pulse from the detector circuit and

display the corresponding counts in the LCD display. These receiver

circuits consist of IR detector diode with the comparator.

http://www.embeddedinnovationlab.com

http://www.embeddedinnovationlab.com

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Embedded Innovation Lab

Bangalore,chennai

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