4 dc 450 rpm motors
dual frequency transmitter and receiver
Chasis
Wheels
Dpdt switch

Arnd 1000rs ....etc

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1. ABSTRACT
Often we find that resedntial properties,offices,buildings etc suffer disastrous consequences due to a single short circuit or a simple fire which go undetected.To avoid such losses,one can make use of a smoke alarm which would in turn inform the concerned authority by sounding a buzzer or a sound as soon as any smoke is detected thereby avoiding danger as soon as it is detected.smoke alarm circuits today are used everywhere from resedential buildings to offices.
2. INTRODUCTION
The thermis ....etc

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to get information about the topic fire and smoke alarm system related topic refer the page link bellow

http://seminarsprojects.net/Thread-smoke-detector ....etc

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Kerala PSC Last Grade Servants 
                        Alappuzha- 2010 
                                                                                                                                  Total Mark - 100 Time:75 Mins
1.മൗലികാവകാശമല്ലാത്തത് എഴുതുക. 
A.സ്വത്തിനുള്ള അവകാശം 
B.സ്വാതന്ത്ര്യത്തിനുള്ള അവകാശം 
....etc

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Wireless Charging provides a convenient, safe, and reliable way to charge and power millions of electrical devices at home, in the workplace and in industry.

By eliminating the use of physical connectors and cables, wireless charging provides a number of efficiency, cost and safety advantages over the traditional charging cable.

From smartphones, to hand-held industrial devices and heavy-duty equipment applications, wireless power maintains safe, continuous, and reliable transfer of power to ensure all varieties of devices and equipment a ....etc

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i want the circuit diagram of vk 149 fridge alarm pls email it with the items and diagram ....etc

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sir,
i want full information, abstract, and block diagram of the lpg gas leak alarm (MQ6) and including circuit diagram. ....etc

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smoke alcohol and lpg detection alarm seminar

This board can be used for measuring LPG leaks, which could be used in your home to identify gas leakage.This LPG Gas Sensor (MQ6) is used to detect dangerous LPG leak in your surrounding,home,car,storage tank and etc.This unit can be easily added to alarm unit to produce sound or visual indication of Gas/LPG.The sensor has excellent response time.It can used to sense iso-butane,LNG,Cigarette Smoke and propane.It can also be used for wireless gas leak detector project.

LPG Gas Sensor (MQ6) Feature ....etc

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Optical Smoke Detector
Optical Smoke Detector contain a small photoelectric cell which triggers the alarm when the beam is disturbed by smoke. it shows better results in smoldering mattress.
read this material where its bravely explained, i hope its greatly usefull

http://home.howstuffworkshome-improvement/household-safety/fire/smoke1.htm
http://72.29.25.62/page.asp?ID=63
http://en.wikipediawiki/Smoke_detector

if you not satisfies with it please reply below
we may try to solve (needs whats facing problem) ....etc

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I wish to know details of components used in vk566 smoke alarm ....etc

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