Object Counting Using 7 Segment Display

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Object counter on 7 segment
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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.


Hardware Specifications

  • 8051 series Microcontroller
  • Diodes
  • 7-Segment Display
  • Transistor
  • LED
  • IR LED’s
  • Voltage Regulator
  • IR Sensor
  • Push button
  • Timer IC
Software Specifications

  • Keil µVision IDE
  • MC Programming Language: Embedded C

 

 

 

 

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