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Title: advantages and disadvantages of object counter
Page Link: advantages and disadvantages of object counter -
Posted By:
Created at: Sunday 28th of August 2016 10:16:52 PM
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Advantages and disadvantage of digital object counter ....etc

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Title: Interfacing of 8051 with displays
Page Link: Interfacing of 8051 with displays -
Posted By: seminar paper
Created at: Monday 12th of March 2012 04:53:25 PM
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Interfacing of 8051 with displays



Interfacing of 8051 with LED


forward voltage drop of LED is from 1.7 to 2.5
forward current of LED is 20mA

89C51(8051) comes under TTL logic families
TTL can sink up to 16mA and source 250uA
The 8051 port pin can sink 1.6mA (3.2mA for port 0) and source 60uA.
To drive significant current, we should arrange our circuits to use current sinking.

Design calculation

The resistor limits the current.
....etc

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Title: light controlled digital fan regulator pdf
Page Link: light controlled digital fan regulator pdf -
Posted By:
Created at: Sunday 10th of April 2016 04:06:14 AM
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I need a complete table content on light control digital fan regulator ....etc

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Title: Study the working decoder for conversion of BCD into 7segment display code
Page Link: Study the working decoder for conversion of BCD into 7segment display code -
Posted By: seminar class
Created at: Friday 13th of May 2011 07:11:02 PM
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Name– study of decoder using IC 7447/7448.
Aim – to study the working decoder for conversion of BCD into 7–segment display code.
Apparatus – IC 7447/7448, 7–segment common anode LED display, circuit board, power supply +5V DC, connecting wires, soldering iron, cutter etc.
Circuit diagram




Procedure –
1) You are given IC 7447/7448 and the 7–segment common anode LED display. Identify them with their proper pin conf ....etc

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Title: Interfacing of 8051 with displays
Page Link: Interfacing of 8051 with displays -
Posted By: seminar paper
Created at: Monday 12th of March 2012 04:53:25 PM
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Interfacing of 8051 with displays



Interfacing of 8051 with LED


forward voltage drop of LED is from 1.7 to 2.5
forward current of LED is 20mA

89C51(8051) comes under TTL logic families
TTL can sink up to 16mA and source 250uA
The 8051 port pin can sink 1.6mA (3.2mA for port 0) and source 60uA.
To drive significant current, we should arrange our circuits to use current sinking.

Design calculation

The resistor limits the current.
....etc

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Title: WASHOUT CONTROL FOR MANUAL OPERATIONS
Page Link: WASHOUT CONTROL FOR MANUAL OPERATIONS -
Posted By: science projects buddy
Created at: Sunday 19th of December 2010 01:20:12 AM
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WASHOUT CONTROL FOR MANUAL OPERATIONS

SEMINAR REPORT
Submitted by

NEVIN AUGUSTINE
Seventh Semester
B.Tech,
Applied Electronics & Instrumentation
DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
COLLEGE OF ENGINEERING
TRIVANDRUM

2010



ABSTRACT

It is known that limitations of human accuracy in manual manipulation hinder the quality of work performed by human operators of manual control systems. Indeed, movements of operators are apt t ....etc

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Title: 7448 bcd 7 segment
Page Link: 7448 bcd 7 segment -
Posted By:
Created at: Wednesday 06th of March 2013 07:55:56 AM
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Where do i find an orcad library with any common Anode or common Cathode 7-segment display? ....etc

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Title: TELEPHONE OPERATED CALLING SYSTEM full report
Page Link: TELEPHONE OPERATED CALLING SYSTEM full report -
Posted By: project report tiger
Created at: Thursday 04th of March 2010 05:43:51 PM
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TELEPHONE OPERATED CALLING SYSTEM

ABSTRACT
This Telephone Operated Calling circuit is used where persons have to be called or signaled. When you need to call a person amongst many standing outside a cabin, just lift the telephone handset off the cradle and press the respective number. The number of the person called will be displayed and a bell will sound to inform the person that it is his turn. This circuit is very useful for doctors for calling patients, in banks and in various other situations.


MINI PROJE ....etc

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Title: bumper lottery holi 2016
Page Link: bumper lottery holi 2016 -
Posted By:
Created at: Monday 21st of March 2016 09:35:55 PM
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Title: MULITIPURPOSE ELECTONICS DEVICE CUM VISITOR COUNTING SYSTEM PROJECT
Page Link: MULITIPURPOSE ELECTONICS DEVICE CUM VISITOR COUNTING SYSTEM PROJECT -
Posted By: Zigbee
Created at: Wednesday 18th of August 2010 02:14:08 PM
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MULITIPURPOSE ELECTONICS DEVICE AND VISITOR COUNTING SYSTEM
Mini Project done by:
Bibin Mohanan
Basha KM
Ijas

S6 ECE, College Of Engineering Trivandrum





1.INTRODUCTION
With the growing need to conserve energy, more people are becoming conscious of energy consumption and are looking for ways to reduce costly waste associated with electricity.
Though most consumers do not think about lighting until the light bulb fails or
t ....etc

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Title: AUTOMATIC DOOR In theatres WITH DOWN COUNTER DISPLAY
Page Link: AUTOMATIC DOOR In theatres WITH DOWN COUNTER DISPLAY -
Posted By: seminar class
Created at: Monday 28th of February 2011 04:22:18 PM
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presented by:
SHEBIN ZIYAD KP.
JASEEL SWADAKHATH MC.
SAMEER TK.
NEETHU TP.
SAJLA PP.


AUTOMATIC DOOR In theatres WITH DOWN COUNTER DISPLAY
ABSTRACT
We have introduced a project named Automatic door system with down counter display in theatre to reduce the rush of people in theatre and also to reduce the malpractices which are held in theatre.
This project had made successful with help sufficient components like LDR, Optocoupler, TIP122, relays, S-R flip flop, counter ic 4510,driver ic 7448,7 segments, pow ....etc

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