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Sin
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d
tr
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s
m
i
t th
e
i
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f
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r
m
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x
t la
y
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.
b)
Gate
w
a
y
,
I
o
T
g
ate
w
a
y
co
n
tr
o
ls
t
h
e
b
id
ir
ec
tio
n
al
d
ata
tr
a
f
f
ic
a
m
o
n
g
v
ar
io
u
s
n
et
w
o
r
k
s
a
n
d
p
r
o
to
co
ls
.
T
h
e
s
ec
o
n
d
p
u
r
p
o
s
e
o
f
t
h
e
g
ate
w
a
y
is
to
tr
a
n
s
late
th
e
d
i
f
f
er
en
c
e
in
t
h
e
n
et
w
o
r
k
p
r
o
to
co
ls
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d
m
ak
e
ce
r
tai
n
in
ter
o
p
er
ab
il
it
y
o
f
t
h
e
co
n
n
ec
t
ed
ap
p
lian
ce
s
an
d
s
en
s
o
r
s
.
c)
C
lo
u
d
,
I
o
T
p
r
o
d
u
ce
s
ex
ten
s
iv
e
d
ata
f
r
o
m
ap
p
lian
ce
s
,
ap
p
licatio
n
s
,
an
d
u
s
er
s
w
h
ic
h
h
a
s
to
b
e
m
an
a
g
ed
i
n
an
ex
p
ed
ien
t
w
a
y
.
I
o
T
clo
u
d
p
r
o
v
id
es
to
o
ls
to
h
an
d
le,
p
r
o
ce
s
s
,
m
an
a
g
e,
an
d
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h
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g
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a
m
o
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t
o
f
d
ata
in
r
ea
l
-
ti
m
e.
I
n
d
u
s
tr
ie
s
a
n
d
s
er
v
ices
ca
n
ea
s
il
y
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ce
s
s
t
h
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d
ata
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l
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k
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iv
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n
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h
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d)
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in
ter
f
ac
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User
in
ter
f
ac
es
ar
e
th
e
ap
p
ar
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t
an
d
p
h
y
s
ical
p
ar
t
o
f
th
e
I
o
T
s
y
s
te
m
w
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h
ca
n
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e
ac
ce
s
s
ed
b
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s
er
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,
Fi
g
u
r
e
1
ill
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s
tr
ate
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al
co
m
p
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n
en
ts
f
o
r
an
y
I
o
T
s
y
s
te
m
.
Fig
u
r
e
1
.
T
h
e
ar
ch
itectu
r
e
o
f
t
h
e
I
o
T
s
y
s
te
m
I
n
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h
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w
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s
u
b
s
y
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m
s
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at
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as
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o
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s
:
th
e
f
ir
s
t
p
ar
t
is
t
w
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lev
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s
o
f
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u
r
it
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;
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h
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ased
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P
ass
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ar
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s
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r
w
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m
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ased
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m
.
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h
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d
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w
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it
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r
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ater
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n
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atin
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d
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ce
.
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h
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t
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o
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th
e
p
r
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p
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s
ed
s
y
s
te
m
w
ill
b
e
b
ased
o
n
th
e
I
o
T
tech
n
o
lo
g
y
,
as
th
e
h
o
m
eo
w
n
er
w
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ll
b
e
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le
to
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o
tel
y
m
o
n
ito
r
h
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o
m
e
v
ia
a
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ca
l
I
P
g
r
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ted
b
y
t
h
e
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d
eM
C
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m
icr
o
co
n
tr
o
ller
w
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ich
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n
ab
l
i
n
g
th
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u
s
er
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ce
s
s
th
e
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y
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te
m
's
Gr
ap
h
ical
U
s
er
I
n
ter
f
ac
e
(
GUI
)
.
T
h
e
th
ir
d
an
d
f
in
al
p
ar
t
i
s
th
e
d
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ig
n
o
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th
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s
m
ar
t
g
ar
ag
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g
ate,
w
h
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h
w
i
ll
b
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p
en
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/clo
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tili
s
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n
g
a
s
p
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iall
y
p
r
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g
r
a
m
m
ed
ap
p
in
s
talled
o
n
t
h
e
An
d
r
o
id
s
m
ar
tp
h
o
n
e,
allo
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i
n
g
f
o
r
th
e
w
ir
e
les
s
co
n
tr
o
l
o
f
th
e
g
ar
a
g
e
g
ate
v
ia
B
lu
e
t
o
o
th
tech
n
o
lo
g
y
.
T
h
e
p
ap
er
is
o
r
g
an
is
ed
as
f
o
llo
w
s
:
Secti
o
n
2
illu
s
tr
ates
t
h
e
p
r
o
p
o
s
ed
s
y
s
te
m
m
o
d
u
les
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w
ell
a
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en
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r
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c
h
th
at
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l
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m
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r
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g
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r
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lev
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n
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r
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s
o
il
h
u
m
id
it
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s
e
n
s
o
r
,
te
m
p
er
atu
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e
s
en
s
o
r
,
f
la
m
e
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en
s
o
r
,
P
I
R
s
en
s
o
r
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A
r
d
u
i
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Nan
o
,
HC
-
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5
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lu
eto
o
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A
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Me
g
a,
a
n
d
No
d
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C
U
m
o
d
u
le.
Sectio
n
3
p
r
esen
ts
t
h
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n
ec
e
s
s
ar
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s
tep
s
f
o
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th
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s
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s
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m
d
esi
g
n
,
i
m
p
le
m
en
ta
tio
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,
w
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n
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p
r
in
cip
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an
d
th
e
o
b
tai
n
ed
r
esu
lt
s
af
ter
ap
p
ly
in
g
t
h
e
p
r
ac
tical
tes
t
f
o
r
th
e
i
m
p
le
m
en
ted
d
esi
g
n
.
Fin
a
ll
y
,
Sectio
n
4
d
e
m
o
n
s
tr
ates t
h
e
co
n
clu
s
io
n
o
f
th
e
p
ap
er
.
2.
SYST
E
M
H
ARDWA
RE
I
n
th
is
p
ar
t
o
f
th
e
p
ap
er
,
th
e
h
ar
d
w
ar
e
a
n
d
t
h
e
co
m
p
o
n
e
n
ts
t
h
at
w
il
l
b
e
u
t
ilis
ed
to
b
u
i
ld
u
p
th
e
p
r
o
p
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s
ed
s
m
ar
t h
o
m
e
s
y
s
te
m
s
u
ch
a
s
th
e
s
en
s
o
r
s
an
d
th
e
o
t
h
er
m
o
d
u
les
w
ill b
e
ex
p
lai
n
ed
.
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548
2
.
1
.
Arduin
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m
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co
ntr
o
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A
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is
a
s
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m
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th
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m
ed
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tili
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ca
lled
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Dev
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t
(
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.
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A
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ca
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ased
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co
m
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a
5
4
d
ig
ital
in
p
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u
tp
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t
p
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s
(
1
5
o
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ca
n
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e
u
tili
s
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to
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P
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tech
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iq
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a
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c
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r
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a
USB
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h
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n
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a
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t
b
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tto
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[
7
-
10
].
T
h
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til
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co
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[
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.
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ates
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Fig
u
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2
.
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r
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u
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3
.
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No
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ip
(
So
C
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r
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E
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ess
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f
S
y
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te
m
s
a
n
d
ha
r
d
w
ar
e
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ased
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n
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e
E
SP
-
1
2
m
o
d
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le.
T
h
e
No
d
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C
U
u
s
es
th
e
m
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o
USB
ca
b
le
th
at
m
ak
e
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it
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ib
le
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A
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d
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in
o
m
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o
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n
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ller
b
o
ar
d
.
Fig
u
r
e
4
i
llu
s
tr
ates
t
h
e
No
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eM
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U
m
o
d
u
le
w
it
h
it
s
p
in
s
co
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f
i
g
u
r
atio
n
.
T
h
is
m
o
d
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le
h
as
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h
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g
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p
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s
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ee
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d
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s
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er
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n
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f
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p
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t a
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g
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e
in
p
u
t p
in
[
1
2
-
1
4
].
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4752
Desig
n
a
n
d
imp
leme
n
ta
tio
n
o
f
a
s
ma
r
t h
o
me
s
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ith
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w
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leve
ls
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f
…
(
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h
a
mme
d
Mu
r
a
d
)
549
Fig
u
r
e
4
.
No
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eM
C
U
m
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n
tr
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ller
b
o
ar
d
2
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3
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la
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o
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m
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T
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la
m
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e
n
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n
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is
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p
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io
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e
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d
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a
m
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ier
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iv
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etec
t
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o
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th
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f
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m
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a
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o
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d
in
a
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ig
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t
w
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ic
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h
a
s
a
w
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n
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in
th
e
r
a
n
g
e
o
f
7
6
0
to
1
1
0
0
n
m
,
w
it
h
a
d
etec
tio
n
r
an
g
e
u
p
to
1
0
0
cm
.
Gen
er
all
y
,
t
h
e
m
o
d
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le
co
n
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is
ts
o
f
f
o
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r
ter
m
i
n
als,
t
wo
o
f
w
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ic
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ar
e
u
s
ed
f
o
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th
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en
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r
p
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w
er
s
u
p
p
l
y
(
i.e
.
VC
C
&
GND)
,
th
e
t
h
ir
d
ter
m
i
n
al
f
o
r
th
e
an
alo
g
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e
o
u
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u
t,
it
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o
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tp
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t
v
o
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g
e
i
n
cr
ea
s
es
w
ith
t
h
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i
n
cr
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s
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n
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t
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la
m
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a
m
o
u
n
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ter
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w
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n
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icate
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t
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e
HI
G
H
o
u
tp
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t
in
th
e
ca
s
e
o
f
a
f
la
m
e
b
ei
n
g
d
etec
ted
[1
5
,
1
6
]
.
Fig
u
r
e
5
illu
s
tr
ates t
h
e
f
la
m
e
s
en
s
o
r
m
o
d
u
le
a
n
d
th
e
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en
s
o
r
o
u
tp
u
t v
o
lta
g
e
v
s
.
th
e
d
etec
tio
n
d
is
tan
ce
.
(
a)
(
b
)
Fig
u
r
e
5
.
(
a)
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e
s
en
s
o
r
m
o
d
u
le
,
an
d
(
b
)
Fla
m
e
s
e
n
s
o
r
v
al
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e
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s
.
d
etec
tio
n
d
is
ta
n
ce
2
.
4
.
So
il
hu
m
i
dity
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ens
o
r
As
s
h
o
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n
i
n
Fi
g
u
r
e
6
,
th
e
s
o
il
m
o
is
t
u
r
e
s
e
n
s
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r
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n
s
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t
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b
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at
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e
c
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r
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en
t
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ass
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g
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t
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s
o
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an
d
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e
n
o
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tain
a
r
esis
ta
n
ce
v
al
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e.
W
h
en
th
e
w
ater
is
p
r
esen
t,
th
e
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o
il
w
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l
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n
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m
o
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elec
tr
icit
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s
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ce
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ile
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th
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e
o
f
d
r
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o
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f
lo
w
o
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e
elec
tr
i
cit
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is
p
o
o
r
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o
th
e
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esis
ta
n
ce
h
a
s
a
h
i
g
h
v
al
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e.
T
h
e
u
t
ilis
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m
icr
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n
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ller
w
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l
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co
m
p
ar
e
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e
r
esis
ta
n
ce
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alu
e
an
d
,
d
ep
en
d
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g
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n
th
e
h
i
g
h
er
r
e
s
is
ta
n
ce
,
th
e
w
a
t
e
r
p
u
m
p
w
ill b
e
s
w
itc
h
ed
o
n
[
1
7
,
1
8
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4752
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
21
,
No
.
1
,
J
an
u
ar
y
2
0
2
1
:
5
4
6
-
557
550
Fig
u
r
e
6
.
So
il
m
o
is
t
u
r
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s
e
n
s
o
r
m
o
d
u
le
2
.
5
.
P
a
s
s
iv
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infr
a
re
d sens
o
r
T
h
e
P
ass
iv
e
I
n
f
r
ar
ed
(
P
I
R
)
s
en
s
o
r
d
esig
n
ed
to
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e
n
s
e
t
h
e
m
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m
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n
t
d
ep
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en
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t
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e
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m
itted
in
f
r
ar
ed
f
r
o
m
th
e
h
u
m
a
n
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o
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y
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d
t
h
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er
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iv
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n
g
o
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a
n
is
m
s
.
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h
e
P
I
R
is
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m
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o
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ed
o
f
a
p
y
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o
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tr
ic
s
e
n
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o
r
,
w
h
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n
r
ec
o
g
n
is
e
d
i
f
f
er
e
n
t
lev
els
o
f
in
f
r
ar
ed
r
ad
iatio
n
.
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h
e
lev
el
o
f
r
ad
iatio
n
w
ill
in
cr
ea
s
e
w
it
h
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n
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o
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j
ec
t’
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te
m
p
e
r
atu
r
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w
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th
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h
u
m
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n
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ass
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r
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m
t
h
e
f
r
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n
t
o
f
th
e
P
I
R
,
th
e
s
en
s
o
r
w
ill
d
etec
t
th
e
h
u
m
a
n
te
m
p
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at
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r
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a
n
d
r
etu
r
n
a
lo
g
ic
"
1
"
f
r
o
m
t
h
e
s
e
n
s
o
r
o
u
tp
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t
p
in
[
1
9
,
2
0
]
.
T
o
in
cr
ea
s
e
th
e
d
etec
tio
n
r
an
g
e
o
f
th
e
s
e
n
s
o
r
,
a
h
e
m
is
p
h
er
ical
le
n
s
i
s
u
s
ed
to
co
llect
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ad
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n
f
r
o
m
d
i
f
f
er
en
t
a
n
g
le
s
an
d
d
ir
ec
t
it
to
t
h
e
s
en
s
o
r
as s
h
o
w
n
in
Fig
u
r
e
7
.
Fig
u
r
e
7
.
P
I
R
s
en
s
o
r
m
o
d
u
le
2
.
6
.
MQ
-
0
5
g
a
s
s
ens
o
r
MQ
-
5
g
a
s
s
e
n
s
o
r
i
s
u
s
ed
f
o
r
th
e
ap
p
licatio
n
s
o
f
t
h
e
g
as
l
ea
k
ag
e
d
etec
tio
n
i
n
b
o
th
co
n
s
u
m
er
an
d
in
d
u
s
tr
ial
s
y
s
te
m
s
.
T
h
is
s
en
s
o
r
is
p
r
o
p
er
f
o
r
th
e
d
etec
tio
n
o
f
liq
u
ef
ied
p
etr
o
leu
m
g
as,
n
at
u
r
al
g
a
s
,
an
d
co
al
g
as.
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h
e
w
o
r
k
i
n
g
p
r
in
cip
le
o
f
th
e
MQ
-
5
s
e
n
s
o
r
m
o
d
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ca
n
b
e
d
escr
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ed
in
Fi
g
u
r
e
8
.
T
h
e
h
ea
ti
n
g
co
il
“
H”
i
s
ass
o
ciate
d
w
it
h
a
Sn
O2
f
ila
m
en
t,
i
n
t
h
e
p
r
esen
ce
o
f
clea
n
air
,
its
r
esi
s
tan
ce
ac
r
o
s
s
t
h
e
h
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tin
g
co
il
d
o
esn
't
v
ar
y
.
B
u
t
i
n
ca
s
e
o
f
co
m
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u
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ti
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le
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as
is
p
r
ese
n
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h
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ce
o
f
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h
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S
n
O2
f
ila
m
e
n
t
d
ec
r
ea
s
es,
w
h
ic
h
r
es
u
lts
in
a
co
r
r
esp
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n
d
in
g
i
n
cr
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s
e
i
n
o
u
tp
u
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v
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t
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en
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r
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s
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u
tp
u
t
v
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lta
g
e
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an
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e
m
ea
s
u
r
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to
in
d
icate
t
h
e
co
n
ce
n
tr
atio
n
o
f
a
n
y
co
m
b
u
s
tib
le
g
as
[
2
1
,
2
2
].
F
ig
u
r
e
9
s
h
o
w
s
th
e
MQ
-
8
g
as
s
en
s
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m
o
d
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le
w
it
h
its
p
in
co
n
f
i
g
u
r
at
io
n
.
Fig
u
r
e
8
.
I
n
ter
n
al
s
tr
u
ct
u
r
e
o
f
th
e
MQ
-
5
g
as
s
en
s
o
r
Fig
u
r
e
9
.
MQ
-
5
g
as
s
en
s
o
r
m
o
d
u
le
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4752
Desig
n
a
n
d
imp
leme
n
ta
tio
n
o
f
a
s
ma
r
t h
o
me
s
ystem
w
ith
t
w
o
leve
ls
o
f
…
(
Mo
h
a
mme
d
Mu
r
a
d
)
551
2
.
7
.
Serv
o
m
o
t
o
r
T
h
e
s
er
v
o
m
o
to
r
is
an
elec
tr
ic
al
co
m
p
o
n
e
n
t
th
at
ca
n
b
e
u
tili
s
ed
to
p
u
s
h
o
r
r
o
tate
a
n
o
b
j
ec
t
w
it
h
h
i
g
h
ac
cu
r
ac
y
.
T
h
e
s
er
v
o
m
o
to
r
d
if
f
er
ed
f
r
o
m
t
h
e
o
t
h
er
m
o
to
r
t
y
p
es
w
h
er
e
it
co
u
ld
r
o
tate
ac
co
r
d
in
g
to
t
h
e
r
eq
u
ir
ed
an
g
le
s
th
at
ca
n
b
e
o
b
tain
ed
f
r
o
m
t
h
e
p
u
ls
e
le
n
g
th
w
it
h
th
e
h
elp
o
f
th
e
m
icr
o
co
n
tr
o
ller
u
n
it.
I
n
ad
d
itio
n
,
t
h
e
s
er
v
o
m
o
to
r
is
c
h
ar
ac
ter
is
ed
b
y
a
g
o
o
d
to
r
q
u
e
an
d
co
n
s
tan
t
s
p
ee
d
th
at
i
s
n
o
t
a
f
f
ec
ted
b
y
th
e
c
h
an
g
e
i
n
lo
ad
[
23
-
2
5
]
.
3.
SYST
E
M
DE
SI
G
N
AN
D
I
M
P
L
E
M
E
NT
A
T
I
O
N
T
h
is
s
ec
tio
n
i
n
cl
u
d
es
th
e
n
ec
e
s
s
ar
y
s
tep
s
f
o
r
th
e
d
esi
g
n
o
f
a
s
m
ar
t
h
o
m
e
s
y
s
te
m
w
it
h
t
w
o
lev
el
s
o
f
s
ec
u
r
it
y
b
a
s
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T
tech
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o
lo
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h
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s
ec
tio
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al
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o
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d
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r
esen
tatio
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o
f
t
h
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o
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tain
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af
ter
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test
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o
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th
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p
r
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p
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m
h
as b
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p
lied
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3
.
1
.
Sy
s
t
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m
des
ig
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T
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p
o
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f
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t
p
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u
r
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d
p
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h
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an
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it
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th
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itted
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h
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GUI
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t
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ir
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s
e
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d
th
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o
d
o
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g
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a
m
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u
s
s
tep
s
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r
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b
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co
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Me
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n
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d
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r
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m
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g
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r
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1
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ld
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liq
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d
icate
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h
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tate,
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ates
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n
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g
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r
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r
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1
0
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l s
y
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te
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Fig
u
r
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1
1
.
I
m
p
le
m
en
ted
p
o
w
e
r
co
n
tr
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l s
y
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l
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g
u
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Evaluation Warning : The document was created with Spire.PDF for Python.