By – Digisha Singhal (13BEC026)

Meeta Griglani (13BEC032)

Guided by - Prof. Aarti GehaniAssistant professorElectronics and

communicationInstitute of technologyNirma university

MINI PROJECT on

ELECTRONICS COUNTER

Presentation Outlines

Introduction Components Used Block Diagram Circuit Diagram Working Applications Future Scope References

Motivation

Counting manually is boring and monotonous!

Objectives

To implement a counter that can count up to 10,000.

To automate current system of counting.

Introduction

This project focuses on building an effective counter using IR as a sensing element and and will be capable of counting from 0 to 9999. This circuit is designed using CMOS lCs, with advantages like: o Very low power consumption.o Wide supply voltage rangeo Good noise immunityo High package densityo High fan-out capability

Components

Power Supply

LDR

Timer IC (IC 555)Decade Counter (IC

7490)

Components (cont.)

Resistor

CapacitorBCD to 7-segment display (IC 7447)

7-Segment Display

Block Diagram

Block Diagram of electronics counter

Power supply

Monostable Multivibrator

Decade Counter

BCD to 7 segment display

Seven Segment Display

LDRLight

Circuit

LDR operator circuit

Power supply circuit

Circuit

Counter circuit

ApplicationsIndustries- record of amount of productsParking areasSeminar hallsVigilant analytics human counterHome automation systembanks and offices - money counter machines

Problems Faced

One of the major problem faced was because of floating pins which have different impact on software and hardware.

Due to usage of number of wires, noise effects the output to extent.

Understanding the concepts of negative and positive logic circuits.

Future scope

In real time, by using advanced sensors the distance between receiver and transmitter can be increased and can be useful to count heavy objects.

Using different sensors and technologies, we not only can increment the count of objects but can also decrement of no of objects going out.

References

http://www.electronics.dit.ie/staff/mtully/555%20folder/555%20timer.htm

www.buildcircuit.com http://www.buildcircuit.com/digital-object-counter/ http://lazystud.com/digital-object-counter/ http://electronicsproject.org/148/

Thank You!