dark sensor

8/18/2019 Dark Sensor

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DEPARTMENT OF

ELECTRONICS AND COMMUNICATION ENGINEERING

Faculty of Engineering and Tecnology! SRM Uni"er#ity$

MINI PROJECT REPORT

EVEN Semester, 2015-16

Lab code Name ! EC101" E#ectro$%c C%rc&%ts Lab

'ear Semester ! II 'ear, IV sem

Pro(ect T%t#e ! M&se&m Sec&r%t) S)stem

Lab S&*er+%sor % EC%tra, S.o#a$/%amma#, Moa$as&$daram

Team Members !

Re/ NoR1"1100"01000 R1"1100"01001" R1"1100"01001Mar3 s*#%t &*

No+e#t) %$ te *ro(ect

4or3

2 mar3s

Le+e# o7 &$dersta$d%$/ o7 te des%/$ 7orma "

mar3s

Co$tr%b&t%o$ to te *ro(ect

2 Mar3s

Re*ort 4r%t%$/ 2 Mar3s

Total &'( Mar)#*

8ate!

Signature of La+ Su,er"i#or

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Mu#eu- Security Sy#te-

O./ECTI0E%

To create a s%m*#e c%rc&%t to a#arm te /&ard %$ te case o7 a t%e7 tr)%$/ to stea# a$ art%7act

A.STRACT%

Te M&se&m sec&r%t) s)stem %s b&%#t aro&$d t4o 9C5" tra$s%stors 4%c 4%## t&r$ o77

re#a) 4e$ %t se$ses te art%7act sto#e$

Te ma%$ ad+a$ta/es o7 t%s c%rc&%t are 4e$ tere %s $o art%7act %t 4%## %mmed%ate#) s4%tc

o$ te a#arm, t&s sa+%$/ catc%$/ te t%e7 O$ce re#a) s4%tces o$ %t 4%## $ot reset

a&tomat%ca##) &$t%# 4e s&**#) *o4er

INTRODUCTION%

:e a+e des%/$ed t%s s)stem to red&ce te amo&$t o7 robber) %$ m&sems a$d e77%c%e$t#)catc t%e7s red a$ded 4e$ te) tr) to stea# a$) art%7act 7rom te m&se&m It %s +er)

e77%c%e$t %$ %ts *rocess a$d co$s&mes #ess *o4er com*ared to e;%st%$/ s)stems

1ARD2ARE RE3UIREMENT4DESCRIPTION%

9C5", Re#a) 5 P%$, LE8, Res%stors,etc

?5 V @ to 6 m

O&t*&t c&rre$t ma;%m&m 200 m

Po4er co$s&m*t%o$ m%$%m&m o*erat%$/ @0 m:A5V

O*erat%$/ tem*erat&re 0 to 0 BC

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http://en.wikipedia.org/wiki/Operating_temperaturehttp://en.wikipedia.org/wiki/Operating_temperature


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CIRCUIT DIAGRAM%

DESIGN ISSUES%

• Ma;%m&m s&**#) +o#ta/e sod $ot e;ceed 15V

• &m%d%t) sod $ot e;ceed 5D re#at%+e &m%d%t)

APPROAC14MET1ODOLOG5%

:e$ a$)bod) 4a$ts to *#ace te art%7act, e 4%## t&r$ o77 te s)stem to *re+e$t &$4a$ted

atte$t%o$ s 7ter te s)stem %s t&r$ed o$ a$d te art%7act %s *#ace o$ te res%stor %t te

s)stem %s o77 :e$ someo$e %s tr)%$/ to #%7t te art%7act or remo+e %t 7rom te de+%ce %t

4%## t&r$ o$ te re#a), 4%c 4%## %$t&r$ s4%tc o$ te motor tere7ore ca*t&r%$/ te t%e7

O$e m&st ta3e care o7 s*ec%7%cat%o$ o7 re#a) be7ore mo&$t%$/ #%3e o4 m&c #oad c&rre$t %t

4%## s&**ort It %s a#4a)s s&//ested to 3ee* te re#a) co%# c&rre$t 4%t%$ 200m I7 )o&

4a$t to e;ceed te co%# c&rre$t o$e m&st &se dr%+er tra$s%stor to dr%+e te re#a)

@


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CONCLUSIONS%

T&s te M&se&m Sec&r%t) S)stem C%rc&%t %s co$str&cted a$d te Motor t&r$s ON

a&tomat%ca##) a7ter art%7act %s remo+ed

APPENDI6%

.C789 %

tra$s%stor %s a sem%co$d&ctor de+%ce &sed to am*#%7) or s4%tc e#ectro$%c s%/$a#s a$d

e#ectr%ca# *o4er It %s com*osed o7 sem%co$d&ctor mater%a# 4%t at #east tree term%$a#s 7or

co$$ect%o$ to a$ e;ter$a# c%rc&%t

RELA5 & 7 PIN * %

Re#a) %s a$ e#ectroma/$et%c de+%ce 4%c %s &sed to %so#ate t4o c%rc&%ts e#ectr%ca##) a$d

co$$ect tem ma/$et%ca##)

LDR

*otores%stor or #%/t-de*e$de$t res%stor, L8R, or *otoce## %s a #%/t-co$tro##ed

+ar%ab#e res%stor Te res%sta$ce o7 a *otores%stor decreases 4%t %$creas%$/ %$c%de$t #%/t

%$te$s%t) %$ oter 4ords, %t e;%b%ts *otoco$d&ct%+%t)

"


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Motor%

8C motor %s a$) o7 a c#ass o7 e#ectr%ca# mac%$es tat co$+erts d%rect c&rre$t e#ectr%ca#

*o4er %$to meca$%ca# *o4er Te most commo$ t)*es re#) o$ te 7orces *rod&ced b)

ma/$et%c 7%e#ds

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Mu#eu- Security Sy#te-

•

S Sathyanarayanan – RA1411004010008• Madhusudhan Reddy – RA1411004010014

• Sai Kumar – RA1411004010017

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dark sensor

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