OBJECT COUNTER
WITH 7 SEGMENT DISPLAY
ABSTRACT
The project is
designed to monitor the counting operations in industries. For example,
products moving on a conveyor belt are counted by IR interruption concept and
displayed on a seven segment display.
There are two pair
sensors, each kept at certain distance from the other. One pair of sensor
consists of a transmitter and a receiver, kept exactly opposite to each other.
The transmitting part emits modulated IR light which is received at the
receiver end and fed to a microcontroller of 8051 family. When an object passes
through the sensors then microcontroller gets interrupt signal (from IR
sensors) and increments the count to displays it on 7 segments displays. Count
down is also achieved if the object moves in reverse direction. This project
can also be used in any public transport/trains to count the number of
passengers for monitoring purpose.
Further the
project can be enhanced by interfacing it with a warning system so that if
total number of occupants in the vehicle exceeds the passenger carrying
capacity then an alarm is generated by the device.
BLOCK DIAGRAM:
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