sir,
I am a 3rd year ece student.I have been assigned to do a mini project on microcontroller 8051.I have decided to go for the traffic light system with pedestrian switch as this seems interesting as well as worthful to me.
please provide me all the details regarding this project including source code,circuit diagram and all other necessary information.I am running short of time for its submission.
I will be very thankful to you for your kind co-operation and sharing up your knowledge with learners like me.
thanking you. ....etc

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to get iformation about the topic knock vibration earthquake activated alarm full report ppt and related topic refer the page link bellow

http://seminarsprojects.in/showthread.php?mode=linear&tid=38400

http://seminarsprojects.in/showthread.php?tid=36216&google_seo=lwqC++&pid=80553 ....etc

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A Simple Light activated switch

Description.
This is the circuit diagram of a light activated switch based on National Semiconductors comparator IC LM 311 and a LDR.

The circuit is based on a voltage comparator circuit wired around IC 1.The non inverting in put of IC1 is given with a reference voltage of 6V using resistors R3 and R4. The input to the inverting input will be the voltage across the LDR that is light dependent. At darkness the resistance of the LDR will be high and so do the voltage across it. At this condition the voltage ....etc

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ppt forautomatic light operated switch using ldr and ic741

Along with the modernization, people are more prone to the comfort zone. Several inventions have been made to meet this requirement. Following the same trend, here we have presented a simple circuit; automatic light operated switch using LDR and IC741. People are really busy, every second has vital role in our busy schedule.

Why shall we waste our valuable time turning on every switch in the building? The situation turns more troublesome when one needs to reach the ground floor just b ....etc

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To get full information or details of vibration activated alarm project please have a look on the pages

http://seminarsprojects.net/Thread-vibration-activated-alarm

if you again feel trouble on vibration activated alarm project please reply in that page and ask specific fields in vibration activated alarm project ....etc

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VOICE ACTIVATED SWITCH OR DOOR LOCK:- which recognise the speaker voice and works.It should identify the speaker. Neural network and embedded system ....etc

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To get full information or details of clap activated switch please have a look on the pages

http://seminarsprojects.net/Thread-design-of-a-clap-activated-switch

http://seminarsprojects.net/Thread-design-of-a-clap-activated-switch?pid=26326&mode=threaded

http://seminarsprojects.net/Thread-design-of-a-clap-activated-switch?pid=38118&mode=threaded

if you again feel trouble on clap activated switch please reply in that page and ask specific fields in clap activated switch ....etc

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Abstract

This paper presents the design of a clap activated switch device that will serve well in different phono-controlled applications, providing inexpensive key and at the same time flee from false triggering. This involves the design of various sages consisting of the pickup transducer, low frequency, audio low power and low noise amplifier, timer, bistable and switches. It also consists of special network components to prevent false triggering and ensure desired performance objectives. A decade counter IC serves the bistable fu ....etc

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i need it immediately so hw to collect it i need it please send me soon
conclusion of traffic light controller mini project using ic555 and ic 4017 ....etc

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i need everything about light activated leds including abstracts,blockdiagram,circuit diagram materials needed and theory of operation
....etc

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