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8/17/2019 Temperature Control System Project Report.doc
$e %ou& &i'e to t(an' #es"e)te ignita#iesfo# t(ei# *a&uab&e Coo"e#ation+ T(e, (a*e (e&"e us in)om"&eting t(e "#o-e)t %o#' satisfa)to#, an su))essfu&&,
$e a#e #ea&&, *e#, t(an'fu& to ou# !ea of
t(e e"a#tment M#+.+S+Pate& fo# gi*ing us t(e o""o#tunit,to ta'e t(is "#o-e)t %o#' on /TEMPRATURE CONTROLLERAND DISPLAY an en)ou#aging us in )om"&eting t(e"#o-e)t %o#' su))essfu&&,+
$e a#e *e#, t(an'fu& to ou# guie0 M#+!+!+Ag#a%a& fo# "#o*iing us (is *a&uab&e guian)e ine*e#, as"e)ts )on)e#ne %it( ou# "#o-e)t+ !is %i&&ingnessan ee" 'no%&ege (a*e a&%a,s (e&"e us in )on)ei*ing
ne% ieas+ $e %ou& a&so &i'e to t(an' (im fo# (is )oo"e#ation !e (as a&%a,s 1uiet&, an g&a&, ans%e#e a&&ou# 1ue#ies #ega#ing to t(is "#o-e)t+
$e a#e a&so t(an'fu& to ou# &ab assistantM#+S(ai&es(b(ai as %e&& to "#o*ie us ne)essa#,&abo#ato#, e*i)es in %o#'ing o# #unning )onitions+
WITH HEARTFULL OF GRATITUDE
8/17/2019 Temperature Control System Project Report.doc
“E2PERIENCE IS T!E .EST TEAC!ER”. Thissaying as !aye" a g#i"ing r$!e in inc!#"ing in%$r&ati$n as aart $% the c#rric#!#& $% the ELECTRONICS ANDCOMMUNICATION r$gra&&e $% the GANPAT UNI3ERSITY+
This ractica! training 'ase" $n ELECTRONICSAND COMMUNICATION r$gra&&e". De(e!$e" %ee!ing
a'$#t the "i)c#!ties cha!!enges in the engineering *$r". On!ythe$retica! +n$*!e"ge "$es n$t i&art c$&!ete e"#cati$nara!!e! e,erience &#st acc$&any the$retica! +n$*!e"gea"&iring e"#cati$n.
In this "irecti$n *e ha(e try t$ $#r !e(e! 'est t$
resent a r$-ect re$rt $n “TEMPRATURE CONTROLLER AND
DISPLAY”.
8/17/2019 Temperature Control System Project Report.doc
ADC/0/1 is $ne $% the &$st c$&&$n!y #se" ana!$g t$"igita! c$n(erter IC. In &any a!icati$ns it is re=#ire"t$ c$n(ert the $#t#t $% the sens$r *hich is ana!$g#ein nat#re t$ a "igita! %$r&. The "ata in "igita! %$r&atcan then 'e #ti!i>e" %$r %#rther r$cessing 'y the "igita!r$cess$rs. Tyica! a!icati$ns inc!#"e s$#n"r$cessing te&erat#re r$cessing etc. This circ#it"e&$nstrates the rinci!e an" $erati$n $% inter%acinga si&!e ADC /0/1 #sing 0/3; &icr$c$ntr$!!er
7AT02C34:. ADC/0/1 is c$nnecte" as sh$*n in the circ#it "iagra&.
6ere the in#t is ta+en %r$& a reset *hich gi(es"i?erent ana!$g signa!s t$ the ADC. The $#t#t ins $%the ADC are c$nnecte" t$ LEDs. The c$ntr$! ins $% theADC are c$nnecte" t$ the &icr$c$ntr$!!er AT02C34.
ADC/0/1 is a sing!e channe! ana!$g t$ "igita! c$n(ert$ri.e. it can ta+e $n!y $ne ana!$g signa!. An ADC has n 'itres$!#ti$n 7'inary %$r&: *here n can 'e 0;/;4;@ $r
e(en 41 'its. ADC /0/1 has 0 'it res$!#ti$n. The higherres$!#ti$n ADC gi(es s&a!!er ste si>e. Ste si>e iss&a!!est change that can 'e &eas#re" 'y an ADC. 5$ran ADC *ith res$!#ti$n $% 0 'its the ste si>e is;2.3&9 739B433:.
The ti&e ta+en 'y the ADC t$ c$n(ert ana!$g "ata int$"igita! %$r& is "een"ent $n the %re=#ency $% c!$c+s$#rce. ADC/0/1 can 'e gi(en c!$c+ %r$& e,terna!s$#rce. It a!s$ has an interna! c!$c+.
6$*e(er the c$n(ersi$n ti&e cann$t 'e &$rethan;;/#s. T$ #se the interna! c!$c+ a caacit$r an"resist$r is c$nnecte" t$ in ;2 an" 1 as sh$*n in thecirc#it "iagra&. The %re=#ency is gi(en 'y the re!ati$n% ;B 7;.;RC:. The circ#it #ses a resistance $% ;/+ an" acaacit$r $% ;3/5 t$ generate c!$c+ %$r ADC/0/1. 9in*hich is the in#t in is c$nnecte" t$ a reset t$r$(i"e ana!$g in#t.
;. CS Chi Se!ect This is an acti(e !$* in an" #se"
t$ acti(ate the ADC/0/1.
4. RD Rea" This is an in#t in an" acti(e !$*. A%terc$n(erting the ana!$g "ata the ADC st$res the res#!tin an interna! register. This in is #se" t$ get the "ata$#t $% the ADC /0/1 chi. hen CS/ < high t$ !$*#!se is gi(en t$ this in the "igita! $#t#t is sh$*n$n the ins D/FDG.
. R rite This is an in#t in an" acti(e !$*. Thisis #se" t$ instr#ct the ADC t$ start the c$n(ersi$nr$cess. I% CS/ an" R &a+es a !$* t$ hightransiti$n the ADC starts the c$n(ersi$n r$cess.
1. CLH IN C!$c+ IN This is an in#t in c$nnecte" t$an e,terna! c!$c+ s$#rce.
3. INTR Interr#t This is an acti(e !$* $#t#t in. This in g$es !$* *hen the c$n(ersi$n is $(er.
@. 9in Ana!$g In#t .
G. 9inF Ana!$g In#t. C$nnecte" t$ gr$#n".
0. AJND Ana!$g Jr$#n".
2. 9re%B4 This in is #se" t$ set the re%erence($!tage. I% this is n$t c$nnecte" the "e%a#!t re%erence
($!tage is 39. In s$&e a!icati$n it is re=#ire" t$ re"#cethe ste si>e. This can 'e "$ne 'y #sing this in.
;/. DJND Digita! Jr$#n".
;;F;0. O#t#t Data Kits 7DGFD/:.
;2. CLHR C!$c+ Reset.
4/. 9cc P$siti(e S#!y
8/17/2019 Temperature Control System Project Report.doc
A,ia!F !ea" resist$rs $n tae. Thetae is re&$(e" "#ring asse&'!y
'e%$re the !ea"s are %$r&e" an"the art is inserte" int$ the '$ar".
Three car'$n c$&$siti$n resist$rsin a ;2@/s (a!(e 7(ac##& t#'e:ra"i$. A resist$r is a t*$Fter&ina!e!ectr$nic c$&$nent thatr$"#ces a ($!tage acr$ss itster&ina!s that is r$$rti$na! t$ thee!ectric c#rrent thr$#gh it in
acc$r"ance *ith Oh&[s !a*
3 IRResist$rs are e!e&ents $% e!ectrica!net*$r+s an" e!ectr$nic circ#its
8/17/2019 Temperature Control System Project Report.doc
an" are #'i=#it$#s in &$st e!ectr$nic e=#i&ent. Practica!resist$rs can 'e &a"e $% (ari$#s c$&$#n"s an" f!&s as *e!!as resistance *ire 7*ire &a"e $% a highFresisti(ity a!!$y s#ch asnic+e!Bchr$&e:.
The ri&ary characteristics $% a resist$r are the resistance thet$!erance &a,i&#& *$r+ing ($!tage an" the $*er rating.Other characteristics inc!#"e te&erat#re c$e)cient n$isean" in"#ctance. Less *e!!F+n$*n is critica! resistance the (a!#e'e!$* *hich $*er "issiati$n !i&its the &a,i&#& er&itte"c#rrent $* an" a'$(e *hich the !i&it is a!ie" ($!tage.Critica! resistance "een"s #$n the &ateria!s c$nstit#ting theresist$r as *e!! as its hysica! "i&ensi$ns it[s "eter&ine" 'y"esign. Resist$rs can 'e integrate" int$ hy'ri" an" rinte"circ#its as *e!! as integrate" circ#its. Si>e an" $siti$n $%!ea"s 7$r ter&ina!s: are re!e(ant t$ e=#i&ent "esignersresist$rs &#st 'e hysica!!y !arge en$#gh n$t t$ $(erheat *hen"issiating their $*er.
Resisto# Co&o# Coing
8/17/2019 Temperature Control System Project Report.doc
9aria'!e resist$rs c$nsist $% a resistance trac+ *ithc$nnecti$ns at '$th en"s an" a *ier *hich &$(es a!$ng thetrac+ as y$# t#rn the sin"!e. The trac+ &ay 'e &a"e %r$&car'$n cer&ets 7cera&ic an" &eta! &i,t#re: $r a c$i! $% *ire7%$r !$* resistances:. The trac+ is #s#a!!y r$tary '#t straighttrac+ (ersi$ns #s#a!!y ca!!e" s!i"ers are a!s$ a(ai!a'!e.
9aria'!e resist$rs &ay 'e #se" as a rhe$stat *ith t*$c$nnecti$ns 7the *ier an" -#st $ne en" $% the trac+: $r as a$tenti$&eter *ith a!! three c$nnecti$ns in #se. Miniat#re
(ersi$ns ca!!e" resets are &a"e %$r setting # circ#its *hich*i!! n$t re=#ire %#rther a"-#st&ent.9aria'!e resist$rs are $%ten ca!!e" $tenti$&eters in
'$$+s an" cata!$g#es. They are secife" 'y their &a,i&#&resistance !inear $r !$garith&ic trac+ an" their hysica! si>e
8/17/2019 Temperature Control System Project Report.doc
Type: - Passive A caacit$r $r c$n"enser is a assi(e e!ectr$nic
c$&$nent c$nsisting $% a air $% c$n"#ct$rs searate" 'y a"ie!ectric. hen a ($!tage $tentia! "i?erence e,ists 'et*eenthe c$n"#ct$rs an e!ectric fe!" is resent in the "ie!ectric. Thisfe!" st$res energy an" r$"#ces a &echanica! %$rce 'et*eenthe !ates. The e?ect is greatest 'et*een *i"e at ara!!e!narr$*!y searate" c$n"#ct$rs.
The c$n"#ct$rs an" !ea"s intr$"#ce an e=#i(a!entseries resistance an" the "ie!ectric has an e!ectric fe!" strength!i&it res#!ting in a 'rea+"$*n ($!tage.Caacit$rs are *i"e!y #se" in e!ectr$nic circ#its t$ '!$c+ the$* $% "irect c#rrent *hi!e a!!$*ing a!ternating c#rrent t$ asst$ f!ter $#t inter%erence t$ s&$$th the $#t#t $% $*ers#!ies an" %$r &any $ther #r$ses. They are #se" inres$nant circ#its in ra"i$ %re=#ency e=#i&ent t$ se!ectartic#!ar %re=#encies %r$& a signa! *ith &any %re=#encies.
Ce#ami) Ca"a)ito#:Cera&ic caacit$rs are c$nstr#cte" *ith &ateria!s s#ch astitani#& aci" 'ari#& #se" as the "ie!ectric. They can 'e #se"in high %re=#ency a!icati$ns. Tyica!!y they are #se" incirc#its *hich 'yass high %re=#ency signa!s t$ gr$#n".
These caacit$rs ha(e the shae $% a "is+. Their caacitance isc$&arati(e!y s&a!!.
The caacit$r $n the !e%t is a ;//5 caacit$r *ith a "ia&eter$% a'$#t &&.The caacit$r $n the right si"e is rinte" *ith
;/ s$ ;/ , ;/
5 'ec$&es /./; 85. The "ia&eter $% the "is+ isa'$#t @ &&.Cera&ic caacit$rs ha(e n$ $!arity Cera&ic caacit$rs sh$#!"n$t 'e #se" %$r ana!$g circ#its Keca#se "ist$rt the signa!.
8/17/2019 Temperature Control System Project Report.doc