Unit 5 The objective of this lesson is to: Give definition in astable‚ monostable‚counters To be able to familiarize the functions and use of a monostable Circuit To be able to know how to create and manipulate the parts or the materials that are going to be use during and after this activity. The Astable Multivibrator Regenerative switching circuits such as Astable Multivibrators are the most commonly used type of relaxation oscillator because not only are they simple‚ reliable and ease of
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PREPARED BY RATUL PAUL(08122003049) SAMOSHRI MITRA(08122003058) DEBAPAM DAS(081220030) ARNAB BISWAS(08122003023) UNDER THE GUIDANCE OF Prof. Ramanath Dutta Department of Electronics and Communication Engineering ST. THOMAS’ COLLEGE OF ENGINEERING & TECHNOLOGY 4 Diamond Harbour Road‚ Kidderpore Kolkata 700 023 CERTIFICATE Department of Electronics and Communication Engineering ST. THOMAS’ COLLEGE OF ENGINEERING &TECHNOLOGY‚ KOLKATA This
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Table of Contents List of tables 3 List of Figures 4 1Introduction 5 2 Circuit diagram 6 3 Circuit components 7 3.1 LDR 7 3.2 Resistors 8 3.2.1 Color code 8 3.3 IR LED 9 3.4 LED 11 3.5 OP-AMP 12 3.5.1 OP AMP LM 324 13 3.6 Transistor 15 3.6.1 Transistor 2N2222 15 3.7 SCR 16 3.7.1 SCR C106MG 18 C106MG 19 3.8V Battery 19 3.9 Photo diode 20 Principle of operation 21 3.9.1 IR Photo diode 21 3.10 Switches 22 3.11 Buzzer 23 3.11.1Mechanical buzzer 24 3.11.2 Electromechanical buzzer 24 3.11.3 Piezo buzzer
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CHAPTER :- 1 Project Overview 1. Introduction Of Project 1.1 Project Definition: Project title is “AUTOMATIC ROOM LIGHT CONTROLLER WITH BIDIRECTIONAL VISITOR COUNTER “. 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. Here we can use sensor and can know present number of persons. In today’s world‚ there is a continuous need for automatic appliances with the increase in standard of
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References: - DTMF decoding‚ Available:- http://www.dattalo.com/technical/theory/dtmf.html Timer IC-555 Available:- www.fairchildsemi.com Relay Information‚ Available: http://en.wikipedia.org/wiki/Relay
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A PROJECT REPORT ON “WATER LEVEL INDICATOR & AUTOMATIC MOTOR STARTER” SUBMITTED IN PARTIAL FULFILLMENT OF BACHELOR’S DEGREE IN ELECTRONICS & COMMUNICATION ENGINEERING RAJIV GANDHI PROUDYOGIKI VISHWAVIDYALAYA (UNIVERSITY OF TECHNOLOGY OF MADHYA PRADESH) Submitted By: Approved Sanjay Kumar Singh
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Diodes Diodes are components that allow current to flow in only one direction. They have a positive side (leg) and a negative side. When the voltage on the positive leg is higher than on the negative leg then current flows through the diode (the resistance is very low). When the voltage is lower on the positive leg than on the negative leg then the current does not flow (the resistance is very high). The negative leg of a diode is the one with the line closest to it. It is called the cathode. The
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PROJECT REPORT ON AUTOMATIC ROOM LIGHT CONTROLLER WITH UNIDIRECTIONAL VISITOR COUNTER Submitted in partial satisfaction of the requirement for the degree of Bachelor of Technology (B-Tech.) in ELECTRONICS & COMMUNICATION ENGINEERING by 1. JAYAMALYA KUMAR CHAKRABORTY 2. SANDIPAN CHOUDHURY 3. BIPLAB KUMAR BERA 4. ABHIJIT KUMAR PAUL 5. JAYESH SINGH Under the guidance of Mr. Sudipta Chakraborty
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CONTENTS 1. INTRODUCTION 2. DESIGN PRINCIPLE 3. CIRCUIT DESCRIPTION a. Power supply b. Under voltage/over voltage detector c. NOR Gate (OR and NOT gate) d. Bi-stable / Latch e. Relay driver f. Buzzer Driver 4. FUTURE EXPANSION 5. CONCLUSION INTRODUCTION The protection system is one o the important aspect on which major manufacturers is concentrating. The companies like L&T‚ SIMENS etc. The protection system not only provides durability
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AUTOMATIC ROOM LIGHT CONTROLLER WITH BIDIRECTIONAL VISITOR COUNTER A PROJECT REPORT Submitted by SARATH M.R. SARATH PRADEEP SHILPA VINOD in partial fulfillment for the award of the degree of BACHELOR OF ENGINEERING in ELECTRONICS AND COMMUNICATION ENGINEERING SREE NARAYANA GURUKULAM COLLEGE OF ENGINEERING‚ KADAYIRUPPU MG UNIVERSITY : KOTTAYAM MAY 2011 1 SREE NARAYANA GURUKULAM COLLEGE OF ENGINEERING KOLENCHERY Department of Electronics and communication Engineering
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