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E
lect
rica
l a
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Co
m
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r
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ng
in
ee
ring
(
I
J
E
CE
)
Vo
l.
9
,
No
.
6
,
Dec
em
b
er
201
9
,
p
p
.
4
6
5
7
~
4
6
6
7
I
SS
N:
2088
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8708
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I
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Mo
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in
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[
1
]
.
I
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[
2
]
.
T
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m
p
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licatio
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ased
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o
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ter
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,
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
9
,
No
.
6
,
Dec
em
b
er
201
9
:
4
6
5
7
-
4
6
6
7
4658
th
u
s
it
ca
n
w
o
r
k
w
it
h
o
u
t
s
u
p
p
ly
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n
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ter
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.
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m
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th
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.
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h
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Xiao
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et
al.
[
3
]
.
W
ir
eless
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tr
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s
m
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s
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ab
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w
ir
ele
s
s
l
y
tr
an
s
m
i
tti
n
g
it
to
a
ter
m
i
n
al
n
o
d
e
w
er
e
ac
h
iev
ed
u
tili
zi
n
g
t
w
o
C
C
2
5
3
0
n
o
d
e,
w
h
ich
i
s
an
i
n
te
g
r
ated
d
ev
elo
p
m
e
n
t e
n
v
ir
o
n
m
e
n
t
m
o
d
u
le.
J
in
s
o
n
g
,
et
al.
[
4
]
d
esi
g
n
ed
a
s
m
all,
lo
w
-
co
s
t,
ea
s
y
to
la
y
o
u
t
u
r
b
an
e
n
v
ir
o
n
m
e
n
tal
q
u
alit
y
m
o
n
i
to
r
in
g
ter
m
i
n
al,
an
d
m
u
lti
-
ter
m
in
a
l
co
n
s
tit
u
te
s
a
d
is
tr
ib
u
ted
n
et
wo
r
k
.
T
h
e
d
esig
n
ed
s
y
s
te
m
h
a
s
th
e
ca
p
ab
ilit
y
o
f
d
etec
tio
n
air
p
o
llu
tio
n
g
as,
in
h
alab
le
p
ar
ticle
an
d
m
eteo
r
o
lo
g
ical
p
ar
am
eter
s
.
B
ased
o
n
th
e
d
ata
r
ec
eiv
ed
f
r
o
m
th
e
ter
m
in
a
ls
,
t
h
e
d
ata
p
latf
o
r
m
ce
n
ter
ca
n
m
o
n
i
to
r
an
d
r
ec
o
r
d
th
e
r
ea
l
-
ti
m
e
d
y
n
a
m
ic
d
ata.
T
h
en
,
it e
s
tab
lis
h
e
s
m
o
n
i
to
r
in
g
s
y
s
te
m
d
atab
ase,
an
al
y
s
i
s
t
h
e
r
ea
l
-
ti
m
e
d
y
n
a
m
ic
d
ata
an
d
p
r
ed
ict
t
h
e
r
eg
io
n
al
e
n
v
ir
o
n
m
en
t
a
l
p
o
llu
tio
n
s
it
u
atio
n
a
n
d
d
ev
elo
p
m
e
n
t
tr
e
n
d
s
,
w
h
ic
h
p
r
o
v
id
e
a
s
cie
n
ti
f
ic
b
a
s
is
to
ef
f
ec
ti
v
el
y
co
n
tr
o
l
th
e
e
n
v
ir
o
n
m
en
ta
l
co
n
d
itio
n
s
.
An
o
t
h
er
i
n
ter
esti
n
g
r
esear
ch
is
ab
o
u
t
d
e
v
elo
p
in
g
a
n
a
u
to
m
atic
air
te
m
p
er
atu
r
e
an
d
h
u
m
id
it
y
m
o
n
i
to
r
in
g
s
y
s
te
m
i
n
t
h
e
cu
lt
iv
at
io
n
o
f
o
y
s
ter
m
u
s
h
r
o
o
m
b
ased
o
n
A
r
d
u
in
o
U
n
o
m
icr
o
co
n
tr
o
ller
[
5
]
.
T
h
e
d
ev
elo
p
ed
s
y
s
te
m
w
as
i
n
te
g
r
ated
w
ith
w
ir
ele
s
s
ca
p
ab
ilit
y
(
B
lu
eto
o
th
an
d
W
i
-
Fi)
an
d
an
An
d
r
o
id
ap
p
licatio
n
f
o
r
r
em
o
te
co
n
tr
o
l
an
d
d
ata
d
i
s
p
la
y
in
g
.
Dep
en
d
i
n
g
o
n
th
e
m
ea
s
u
r
ed
te
m
p
er
atu
r
e
a
n
d
h
u
m
id
it
y
v
al
u
es
t
h
e
m
icr
o
co
n
tr
o
ller
tu
r
n
o
n
t
h
e
p
u
m
p
a
u
to
m
a
ticall
y
to
p
u
m
p
w
a
ter
in
o
r
d
er
to
lo
w
er
th
e
r
o
o
m
te
m
p
er
at
u
r
e
i
f
it
is
h
ig
h
er
t
h
an
n
o
r
m
al,
o
r
t
h
e
l
ig
h
t
w
ill
b
e
t
u
r
n
ed
o
n
to
h
ea
t
th
e
r
o
o
m
if
g
e
ts
co
ld
.
A
l
s
o
,
o
th
er
r
esear
ch
er
s
h
a
v
e
b
ee
n
f
o
cu
s
in
g
o
n
d
ev
elo
p
i
n
g
s
m
ar
t
e
n
v
ir
o
n
m
e
n
t
m
o
n
i
t
o
r
in
g
an
d
co
n
tr
o
l
ap
p
lian
ce
f
o
r
h
o
m
e
s
[
6
]
.
I
n
t
h
is
r
esear
ch
a
s
m
ar
t
f
a
n
t
h
at
i
s
ab
le
to
m
o
n
ito
r
th
e
r
o
o
m
te
m
p
er
atu
r
e
an
d
b
ased
o
n
it
its
s
p
ee
d
is
eith
er
i
n
cr
ea
s
ed
o
r
d
ec
r
ea
s
ed
au
to
m
at
icall
y
h
a
s
b
ee
n
b
u
i
lt.
T
h
e
d
ev
elo
p
ed
f
an
i
s
b
ased
o
n
E
SP
8
2
6
6
m
icr
o
co
n
tr
o
ller
,
DH
T
2
2
tem
p
er
at
u
r
e
s
en
s
o
r
an
d
H
C
-
SR
0
4
u
l
tr
aso
n
ic
s
en
s
o
r
.
T
h
e
u
ltra
s
o
n
ic
s
e
n
s
o
r
is
u
tili
ze
d
f
o
r
d
etec
tin
g
p
eo
p
le
av
ailab
ili
t
y
in
th
e
r
o
o
m
.
Ho
w
ev
er
,
th
e
r
e
s
ea
r
ch
er
s
h
a
v
e
ca
r
r
ied
o
u
t
i
n
ter
v
ie
ws
w
i
th
n
u
m
b
er
o
f
p
eo
p
le
th
a
t
h
a
v
e
b
ee
n
as
k
ed
to
tes
t
t
h
e
d
ev
e
lo
p
ed
f
an
a
n
d
t
h
e
y
h
a
v
e
s
h
o
wn
h
ig
h
s
ati
s
f
ac
tio
n
,
d
u
e
to
its
ad
v
an
tag
e
s
i
n
en
er
g
y
r
ed
u
ctio
n
a
n
d
co
m
f
o
r
tab
il
it
y
.
Ge
n
er
all
y
,
a
s
t
u
d
y
h
as
b
ee
n
co
n
d
u
c
ted
b
y
th
e
Hea
lth
E
f
f
ec
t
I
n
s
tit
u
te
i
n
2
0
1
6
co
n
clu
d
ed
th
at
ex
p
o
s
i
n
g
p
eo
p
le
to
p
o
llu
ta
n
t
air
f
o
r
a
lo
n
g
-
ter
m
w
as
th
e
r
ea
s
o
n
f
o
r
d
ea
th
6
.
1
m
i
lli
o
n
p
eo
p
le
d
u
e
to
ca
s
i
n
g
d
if
f
e
r
en
t
d
is
ea
s
es,
s
u
c
h
as,
h
ea
r
t
a
ttack
s
,
s
tr
o
k
e
s
a
n
d
lu
n
g
ca
n
ce
r
[
7
]
.
I
n
t
h
e
p
r
esen
t
r
esear
ch
,
h
o
w
e
v
er
,
an
in
d
u
s
tr
ial
en
v
ir
o
n
m
e
n
t
m
o
n
ito
r
in
g
a
n
d
t
h
en
co
n
tr
o
l
lin
g
it
v
ia
p
o
w
er
in
g
o
n
o
r
o
f
f
th
e
a
ir
co
n
d
itio
n
i
n
g
an
d
v
en
t
ilatio
n
s
y
s
te
m
s
b
y
u
s
i
n
g
I
n
ter
n
et
o
f
t
h
in
g
s
(
I
o
T
)
co
n
ce
p
t
is
g
o
in
g
to
b
e
t
h
o
r
o
u
g
h
l
y
i
n
v
e
s
ti
g
ated
,
as
d
is
c
u
s
s
ed
in
t
h
e
f
o
ll
o
w
i
n
g
s
ec
t
io
n
.
T
h
e
d
esi
g
n
ap
p
r
o
ac
h
an
d
t
h
e
u
s
ed
elec
tr
o
n
ic
co
m
p
o
n
e
n
ts
ar
e
th
o
r
o
u
g
h
l
y
d
is
c
u
s
s
ed
.
2.
G
E
NE
R
AL
D
E
SCR
I
P
T
I
O
N
O
F
T
H
E
DE
V
E
L
O
P
E
D
SY
ST
E
M
T
h
e
p
r
o
p
o
s
ed
s
y
s
te
m
is
m
ai
n
l
y
co
m
p
o
s
ed
o
f
f
o
u
r
p
ar
ts
;
th
ese
ar
e
co
n
tr
o
l
u
n
it,
s
e
n
s
in
g
u
n
it,
th
e
s
m
ar
tp
h
o
n
e
ap
p
licatio
n
f
o
r
r
e
m
o
te
m
o
n
i
to
r
in
g
an
d
co
n
tr
o
l,
an
d
t
h
e
e
m
b
ed
d
ed
co
d
e
th
at
is
u
s
ed
f
o
r
s
y
s
te
m
m
a
n
ag
e
m
e
n
t.
T
h
e
m
ai
n
p
u
r
p
o
s
e
o
f
t
h
ese
f
o
u
r
p
ar
ts
to
g
et
h
e
r
is
to
au
to
m
ate
t
h
e
o
p
er
atio
n
o
f
th
e
v
e
n
tila
tio
n
,
h
ea
ti
n
g
a
n
d
co
o
lin
g
s
y
s
te
m
s
in
s
id
e
th
e
i
n
d
u
s
tr
ial
f
ac
i
liti
es
an
d
lab
s
.
T
h
is
,
in
ad
d
itio
n
to
in
n
o
ce
n
t
an
y
en
v
ir
o
n
m
e
n
tal
d
a
n
g
er
,
w
ill
h
e
lp
in
r
ed
u
cin
g
t
h
e
co
n
s
u
m
ed
en
er
g
y
an
d
av
o
id
i
n
g
t
h
e
f
o
r
g
et
f
u
l
n
ess
er
r
o
r
s
,
s
u
c
h
as
f
o
r
g
etti
n
g
t
u
r
n
i
n
g
o
n
t
h
e
a
b
o
v
e
m
e
n
tio
n
ed
s
y
s
te
m
s
w
h
e
n
t
h
e
y
ar
e
n
ee
d
ed
.
A
ls
o
,
th
e
c
ap
ab
ilit
y
o
f
aler
ti
n
g
th
e
p
eo
p
le
w
h
o
ar
e
i
n
c
h
ar
g
e
t
o
tak
e
a
n
ac
t
io
n
o
r
to
e
v
ac
u
ate
th
e
b
u
ild
i
n
g
w
h
en
th
er
e
is
a
h
ig
h
le
v
el
o
f
r
is
k
is
co
n
s
id
er
ed
to
b
e
in
te
g
r
ated
in
t
h
e
p
r
o
p
o
s
ed
s
y
s
te
m
.
T
h
e
s
tated
f
o
u
r
p
ar
ts
o
f
t
h
e
d
e
s
ig
n
ed
s
y
s
te
m
ar
e
d
elib
er
ated
in
d
etails in
t
h
e
s
u
b
s
eq
u
en
t
s
ec
tio
n
s
.
3.
CO
NT
RO
L
U
NI
T
DE
S
I
G
N
An
y
co
n
tr
o
l
u
n
it
is
m
ain
l
y
b
u
ilt
b
ased
o
n
a
m
icr
o
co
n
tr
o
ller
m
o
d
u
le
an
d
d
if
f
er
en
t
s
en
s
o
r
s
,
ac
tu
ato
r
s
an
d
d
is
p
la
y
i
n
g
d
ev
ice
ar
e
in
te
r
f
ac
ed
to
it.
T
h
u
s
,
th
e
m
ai
n
co
m
p
o
n
e
n
ts
t
h
at
h
a
v
e
b
ee
n
u
s
ed
in
th
e
co
n
tr
o
l
u
n
it
d
ev
elo
p
m
en
t a
n
d
h
o
w
t
h
e
y
ar
e
co
n
n
ec
ted
to
g
et
h
er
ar
e
d
is
cu
s
s
ed
as f
o
llo
w
s
.
3
.
1
.
No
deM
CU
d
ev
elo
p
m
ent
k
it
T
h
e
co
r
e
o
f
t
h
e
d
ev
e
lo
p
ed
elec
tr
o
n
ic
s
y
s
te
m
i
n
t
h
i
s
r
esear
c
h
i
s
No
d
eM
C
U
v
er
s
io
n
2
,
it
s
er
v
es
a
s
it
s
m
ai
n
co
n
tr
o
ller
u
n
it.
I
t
h
a
n
d
les
t
h
e
w
ir
eles
s
co
n
n
ec
ti
v
it
y
,
co
n
n
ec
tio
n
to
lo
ad
,
co
m
m
u
n
icatio
n
w
it
h
p
er
ip
h
er
als,
co
n
tr
o
l
an
d
d
is
p
la
y
p
r
o
ce
s
s
es.
Ho
w
e
v
er
,
th
e
r
e
ar
e
m
an
y
m
i
cr
o
co
n
tr
o
ller
s
ar
e
av
ailab
le
in
th
e
m
ar
k
et,
b
u
t
t
h
i
s
o
n
e
w
a
s
ch
o
s
en
d
u
e
to
it
s
s
m
a
ll
s
ize
(
4
9
×
2
4
.
5
×
1
3
m
m
)
,
a
f
f
o
r
d
ab
le
p
r
ice,
lo
w
p
o
w
e
r
co
n
s
u
m
p
tio
n
an
d
e
x
te
n
t
o
f
c
o
m
m
u
n
it
y
s
u
p
p
o
r
t
[
8
]
.
T
h
e
No
d
eM
C
U
m
o
d
u
le
u
s
es
E
SP
8
2
6
6
W
i
-
Fi
m
o
d
u
le,
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
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I
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I
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12
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tal
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ar
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m
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h
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e
co
n
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ted
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o
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(
D
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an
d
DP
I
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D7
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,
r
esp
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o
w
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in
F
ig
u
r
e
4
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Fig
u
r
e
4
.
I
n
ter
f
ac
i
n
g
a
s
o
lid
s
t
ate
r
ela
y
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No
d
eM
C
U
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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M
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I
n
ad
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itio
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to
th
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ap
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ce
au
to
m
a
tic
co
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tr
o
l,
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s
er
m
a
n
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al
co
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tr
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p
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ilit
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h
as
b
ee
n
ad
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ed
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th
e
d
ev
e
lo
p
ed
s
y
s
te
m
.
T
h
i
s
al
lo
w
s
m
an
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al
co
n
tr
o
l
o
f
t
h
e
v
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n
a
n
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itio
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y
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ased
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s
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le
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th
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u
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atio
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al
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a
f
et
y
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y
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te
m
s
.
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h
u
s
,
th
r
ee
p
u
s
h
b
u
t
to
n
s
h
av
e
b
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n
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n
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ec
ted
to
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eM
C
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T
w
o
b
u
tto
n
s
ar
e
co
n
f
i
g
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r
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to
p
o
w
er
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n
an
d
o
f
f
t
h
e
air
co
n
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itio
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i
n
g
a
n
d
v
e
n
ti
latio
n
s
y
s
te
m
s
r
es
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ec
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y
,
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h
ile
t
h
e
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ir
d
i
s
c
o
n
f
i
g
u
r
ed
to
u
p
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ate
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e
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en
s
o
r
s
d
ata.
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w
ev
er
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o
u
s
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r
ess
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n
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tate
of
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h
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to
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s
h
a
s
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ee
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n
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er
ed
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te
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elate
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d
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is
is
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av
o
id
m
is
tak
e
n
p
r
ess
es
ca
s
e.
T
h
e
b
u
tto
n
s
ar
e
co
n
n
ec
ted
to
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d
eM
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U
v
ia
GP
I
O1
(
T
x
)
,
G
P
I
O3
(
R
x
)
an
d
GP
I
O2
(
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)
,
r
esp
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tiv
e
l
y
a
s
s
h
o
w
n
i
n
Fi
g
u
r
e
5
.
Fig
u
r
e
5
.
I
n
ter
f
ac
i
n
g
t
h
r
ee
p
u
s
h
b
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tto
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s
to
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eM
C
U
4.
SE
NS
I
N
G
UNI
T
D
E
SI
G
N
As
t
h
e
n
a
m
e
r
ef
er
s
,
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e
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e
n
s
o
r
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o
d
e
in
cl
u
d
es
n
u
m
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er
o
f
s
en
s
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r
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t
h
at
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e
m
p
lo
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f
o
r
m
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u
r
i
n
g
n
u
m
b
er
o
f
v
ital
e
n
v
ir
o
n
m
e
n
tal
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ar
iab
les.
T
h
e
ac
q
u
ir
e
d
in
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o
r
m
atio
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b
y
th
e
s
e
n
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o
r
n
o
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e
ar
e
th
e
n
co
m
m
u
n
icate
d
b
ac
k
to
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h
e
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o
n
tr
o
l
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n
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n
d
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ased
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e
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et
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n
d
it
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e
d
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g
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ed
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n
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o
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o
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h
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ec
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ted
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h
e
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m
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o
n
en
ts
o
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e
n
s
o
r
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o
d
e
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e
d
elib
er
ate
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th
e
f
o
llo
w
in
g
.
4
.
1
.
G
a
s
co
ncer
t
a
t
io
n lev
el
s
ens
o
r
T
o
m
o
n
ito
r
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e
p
er
ce
n
ta
g
e
o
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h
ar
m
f
u
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g
ase
s
i
n
b
u
i
ld
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g
s
a
n
d
o
f
f
ices
th
e
MQ
-
1
3
5
s
e
n
s
o
r
is
w
id
el
y
u
s
ed
.
M
Q
-
1
3
5
is
s
m
al
l,
an
a
l
o
g
s
e
n
s
o
r
,
h
a
s
h
i
g
h
s
e
n
s
it
iv
i
t
y
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Am
m
o
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ia
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NH
3
)
,
C
ar
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o
n
d
io
x
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e
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C
O
2
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,
Su
l
f
id
e,
A
lco
h
o
l,
B
en
ze
n
e,
a
n
d
also
s
e
n
s
it
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e
to
s
m
o
k
e.
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ts
w
o
r
k
i
n
g
p
r
i
n
cip
le
is
b
ased
o
n
e
m
p
lo
y
in
g
T
in
d
io
x
id
e
(
Sn
O
2
)
,
w
h
ic
h
h
a
s
a
l
o
w
er
co
n
d
u
cti
v
it
y
i
n
clea
r
air
an
d
as
th
e
co
n
ce
n
tr
atio
n
o
f
t
h
e
p
o
llu
ti
n
g
g
ase
s
in
cr
ea
s
es
t
h
e
co
n
d
u
c
tiv
it
y
o
f
th
e
s
en
s
o
r
in
cr
ea
s
es
to
o
.
T
h
e
s
en
s
o
r
d
etec
tio
n
r
an
g
e
is
1
0
-
1000
ppm
(
p
ar
ticles
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er
m
il
lio
n
)
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th
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ar
d
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etec
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n
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it
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s
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e
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th
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u
p
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i
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±
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1
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e
a
m
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te
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e
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C
o
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d
t
h
e
h
u
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s
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%.
T
h
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g
as
co
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ce
n
tr
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f
o
u
n
d
b
y
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n
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g
th
e
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r
r
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n
d
in
g
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alo
g
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o
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ag
e
o
u
tp
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t
o
f
th
e
MQ
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1
3
5
s
en
s
o
r
u
s
i
n
g
th
e
f
o
llo
w
i
n
g
f
o
r
m
u
la
[
14
]
.
W
h
er
e
is
th
e
s
e
n
s
o
r
s
u
p
p
l
y
v
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e,
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en
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t
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g
e,
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ad
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esis
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ce
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is
th
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en
s
o
r
r
esis
ta
n
ce
in
th
e
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tan
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ar
d
d
etec
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co
n
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itio
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s
,
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d
c
an
d
m
ar
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th
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lo
p
e
c
o
n
s
t
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ts
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lcu
lated
f
r
o
m
th
e
s
e
n
s
i
tiv
it
y
c
h
ar
t o
f
MQ
-
1
3
5
Data
s
h
ee
t
[
15
]
.
=
(
(
−
1
)
∗
(
∗
10
−
)
)
1
(
1
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
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lec
&
C
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p
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g
,
Vo
l.
9
,
No
.
6
,
Dec
em
b
er
201
9
:
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6
5
7
-
4
6
6
7
4662
T
h
e
MQ
-
1
3
5
s
e
n
s
o
r
h
a
s
t
h
e
ca
p
ab
ilit
y
to
o
u
tp
u
t
t
h
e
m
e
asu
r
e
m
en
t
r
es
u
lt
s
i
n
a
n
alo
g
o
r
d
ig
ital
r
ep
r
esen
tatio
n
.
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f
d
ig
i
t
al
o
u
tp
u
t
i
s
u
s
ed
,
th
e
lib
r
ar
y
o
f
M
Q
-
1
3
5
s
en
s
o
r
h
as
to
b
e
d
o
w
n
lo
ad
ed
an
d
ad
d
to
A
r
d
u
i
n
o
I
DE
,
w
h
er
ea
s
it
i
s
n
o
t
n
ee
d
ed
if
a
n
alo
g
o
u
tp
u
t
i
s
co
n
s
id
er
ed
,
w
h
ic
h
is
th
e
ca
s
e
in
t
h
is
r
e
s
ea
r
ch
.
Fig
u
r
e
6
illu
s
tr
ates
h
o
w
th
is
s
en
s
o
r
is
in
ter
f
ac
ed
to
th
e
N
o
d
eM
C
U;
th
r
ee
w
ir
es
h
a
v
e
b
ee
n
u
t
ilized
,
t
w
o
o
f
th
e
m
ar
e
f
o
r
s
u
p
p
l
y
i
n
g
t
h
e
p
o
w
er
to
t
h
e
s
en
s
o
r
an
d
th
e
th
ir
d
i
s
f
o
r
tr
a
n
s
f
er
r
in
g
t
h
e
s
e
n
s
o
r
o
u
tp
u
t
t
o
No
d
eM
C
U
,
w
h
ic
h
is
co
n
n
ec
te
d
to
an
alo
g
in
p
u
t
A
0
.
Fig
u
r
e
6
.
I
n
ter
f
ac
i
n
g
t
h
e
MQ
-
1
3
5
g
as sen
s
o
r
to
No
d
eM
C
U
4
.
2
.
G
a
s
t
e
m
pera
t
ure
s
e
ns
o
r
T
h
e
u
tili
ze
d
s
en
s
o
r
f
o
r
g
ath
er
i
n
g
t
h
e
g
a
s
te
m
p
er
at
u
r
e
is
DS1
8
B
2
0
,
w
h
ic
h
is
a
p
r
ec
is
e,
d
ig
it
al
s
en
s
o
r
,
p
r
o
d
u
ce
d
b
y
Dallas
Se
m
ico
n
d
u
cto
r
C
o
m
p
a
n
y
a
n
d
it
u
s
es
a
1
-
w
ir
e
p
r
o
to
co
l
f
o
r
c
o
m
m
u
n
icat
io
n
w
it
h
th
e
m
icr
o
co
n
tr
o
ller
s
.
T
h
e
s
en
s
o
r
h
as
th
e
ca
p
ab
ilit
y
o
f
te
m
p
e
r
atu
r
e
s
en
s
in
g
an
d
th
e
a
n
alo
g
u
e
to
d
ig
ital
(
ADC)
d
ata
co
n
v
er
s
io
n
[
16
,
17
]
.
I
ts
m
ea
s
u
r
e
m
en
t
r
an
g
e
is
f
r
o
m
-
5
5
C
o
to
+
1
2
5
C
o
w
it
h
h
i
g
h
p
r
ec
is
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n
r
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ch
es
to
0
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0
6
2
5
C
o
an
d
ex
p
an
d
ed
m
ea
s
u
r
e
m
e
n
t
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n
ce
r
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n
t
y
o
f
±
0
.
5
C
o
,
h
o
w
e
v
er
,
t
h
e
m
ea
s
u
r
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te
m
p
er
atu
r
e
v
alu
e
ca
n
b
e
s
h
o
w
n
i
n
9
to
1
2
b
its
[
18
,
19
]
.
I
n
o
r
d
er
to
in
ter
f
ac
e
t
h
is
s
en
s
o
r
w
it
h
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eM
C
U
t
w
o
l
i
b
r
ar
ies,
w
h
ic
h
ar
e
On
eW
ir
e
an
d
Dalla
s
T
em
p
er
at
u
r
e,
h
a
v
e
to
b
e
d
o
w
n
lo
ad
ed
f
r
o
m
(
h
ttp
s
://
g
it
h
u
b
.
co
m
)
a
n
d
ad
d
to
A
r
d
u
in
o
I
DE
.
T
h
e
d
ata
p
in
o
f
th
e
s
en
s
o
r
is
co
n
n
ec
ted
to
GP
I
O1
5
(
D8
)
as
s
h
o
w
n
i
n
Fig
u
r
e
7
.
Ho
w
ev
er
,
f
o
r
ac
cu
r
ate
m
ea
s
u
r
e
m
en
t
r
es
u
lt
t
h
i
s
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e
n
s
o
r
alo
n
g
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it
h
t
h
e
g
as
s
e
n
s
o
r
h
a
v
e
to
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e
i
n
s
talled
eit
h
er
o
n
t
h
e
ce
lli
n
g
o
r
o
n
o
n
e
o
f
th
e
co
r
n
er
s
o
f
th
e
m
o
n
ito
r
ed
s
p
ac
e.
Fo
r
ac
o
u
s
ticall
y
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le
r
tin
g
t
h
e
o
cc
u
p
an
t
s
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ased
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n
(
f
u
n
s
)
s
y
s
te
m
is
p
o
w
er
ed
o
f
f
an
d
a
m
es
s
ag
e
''g
as
n
o
r
m
al
''
is
d
is
p
la
y
ed
o
n
t
h
e
s
cr
ee
n
a
n
d
s
i
m
u
lta
n
eo
u
s
l
y
s
e
n
t
to
t
h
e
m
o
b
ile
a
p
p
licatio
n
.
A
w
ar
r
i
n
g
m
e
s
s
a
g
e
s
ta
tin
g
''g
as
ab
n
o
r
m
al
''
is
p
r
esen
ted
o
n
th
e
s
cr
ee
n
a
n
d
co
n
c
u
r
r
en
tl
y
f
o
r
w
ar
d
ed
to
th
e
m
o
b
ile
i
f
t
h
e
to
x
ic
g
a
s
es
l
ev
el
i
s
h
ig
h
er
t
h
an
4
0
0
p
p
m
a
n
d
les
s
t
h
an
8
5
0
p
p
m
.
Ho
w
ev
er
,
w
h
en
th
e
to
x
i
c
g
ase
s
lev
e
l
is
h
i
g
h
er
t
h
a
n
8
5
0
p
p
m
,
t
h
e
e
n
v
ir
o
n
m
e
n
t
i
s
co
n
s
i
d
er
ed
v
er
y
d
a
n
g
er
o
u
s
f
o
r
th
e
o
cc
u
p
an
ts
a
n
d
t
h
u
s
a
v
er
y
ca
u
tio
n
ar
y
m
ess
a
g
e
d
e
clar
in
g
''g
as
d
a
n
g
er
''
i
s
p
r
esen
ted
o
n
th
e
s
cr
ee
n
an
d
tr
a
n
s
m
i
tted
to
th
e
m
o
b
ile,
r
esp
ec
tiv
el
y
.
7.
SYST
E
M
P
ACK
AG
I
N
G
P
ac
k
ag
i
n
g
t
h
e
d
ev
elo
p
ed
h
ar
d
w
ar
e
s
y
s
te
m
r
ep
r
ese
n
ts
t
h
e
f
i
n
al
s
ta
g
e
i
n
th
e
h
ar
d
w
ar
e
s
y
s
t
e
m
d
es
ig
n
.
T
h
u
s
,
in
o
r
d
er
to
k
ee
p
th
e
co
m
p
o
n
en
ts
o
f
th
e
d
esi
g
n
ed
s
y
s
te
m
s
a
f
e,
co
n
n
ec
ted
to
g
et
h
er
an
d
s
tab
le
an
d
also
f
o
r
f
u
tu
r
e
d
is
tr
ib
u
tio
n
a
n
d
u
s
a
g
e
a
cu
s
to
m
ized
co
v
er
m
ad
e
o
f
p
last
ic
h
as
b
ee
n
co
n
f
i
g
u
r
ed
f
o
r
th
is
p
u
r
p
o
s
e.
Fig
u
r
e
1
1
s
h
o
w
s
t
h
e
f
i
n
al
p
r
o
d
u
ct
o
f
th
is
r
esear
c
h
,
b
y
w
h
ic
h
th
e
m
a
in
co
m
p
o
n
e
n
t
s
o
f
th
e
d
ev
elo
p
ed
s
y
s
te
m
ar
e
n
u
m
b
er
ed
.
T
h
ese
co
m
p
o
n
e
n
ts
ar
e
lis
ted
an
d
d
is
cu
s
s
ed
as
f
o
llo
w
s
.
1.
DH
T
2
2
d
ig
ital te
m
p
er
at
u
r
e
an
d
h
u
m
id
it
y
s
en
s
o
r
: it
is
p
r
ev
io
u
s
l
y
d
is
c
u
s
s
ed
.
2.
An
te
n
n
a
s
o
ck
e
t
o
f
t
h
e
E
SP
8
2
6
6
W
i
-
Fi
m
o
d
u
le:
it
i
s
u
s
ed
to
ex
c
h
an
g
e
d
ata
b
et
w
ee
n
th
e
c
o
n
tr
o
l
u
n
it
a
n
d
th
e
m
o
b
ile
d
ev
ice.
3.
AC
P
o
w
er
p
lu
g
:
p
o
w
er
i
n
g
th
e
co
n
tr
o
l
u
n
it
is
d
o
n
e
b
y
p
l
u
g
g
i
n
g
it
to
th
e
m
ai
n
A
C
p
o
w
er
s
u
p
p
l
y
i
n
t
h
e
m
o
n
i
to
r
ed
f
ac
ilit
y
u
s
in
g
th
r
ee
p
in
s
,
t
y
p
e
G
p
l
u
g
.
T
h
e
s
u
p
p
lied
cu
r
r
en
t
an
d
v
o
lta
g
e
b
y
t
h
is
t
y
p
e
o
f
p
l
u
g
s
ar
e
1
3
A
an
d
2
2
0
–
2
4
0
V,
r
esp
ec
tiv
el
y
.
So
,
an
i
n
ter
n
al
p
o
w
er
co
n
v
er
to
r
,
to
tr
an
s
f
o
r
m
t
h
e
s
u
p
p
lied
v
o
ltag
e
d
o
w
n
to
th
e
n
ee
d
ed
lev
el
o
f
p
o
w
er
,
alo
n
g
w
it
h
L
M7
9
0
5
v
o
ltag
e
r
eg
u
lato
r
,
t
o
m
ain
tain
th
e
v
o
ltag
e
i
n
a
cir
cu
it
co
m
p
ar
ativ
el
y
clo
s
e
to
t
h
e
d
esire
d
v
al
u
e,
h
a
v
e
b
ee
n
u
tili
ze
d
t
o
p
r
o
v
id
e
th
e
No
d
eM
C
U
w
it
h
5
V
,
D
C
c
u
r
r
en
t.
A
cc
o
r
d
in
g
l
y
,
No
d
eM
C
U
p
r
o
v
id
es
th
e
r
ela
y
s
w
it
h
t
h
e
c
o
n
tr
o
l
cu
r
r
en
t
an
d
t
h
e
s
e
n
s
o
r
s
w
it
h
t
h
e
r
eq
u
i
r
ed
v
o
ltag
e
f
o
r
o
p
er
atio
n
.
Mo
r
eo
v
er
,
th
e
AC
p
o
w
er
p
lu
g
is
also
u
s
ed
f
o
r
p
o
w
er
in
g
th
e
air
co
n
d
it
io
n
i
n
g
an
d
f
a
n
s
y
s
te
m
s
.
4.
Up
p
er
s
o
ck
et:
th
is
s
o
ck
et
o
u
t
p
u
ts
2
A
a
n
d
2
2
0
–
2
4
0
V
a
n
d
u
s
ed
f
o
r
p
o
w
er
i
n
g
th
e
air
co
n
d
itio
n
i
n
g
s
y
s
te
m
.
5.
Fro
n
t so
ck
et
: it
also
o
u
tp
u
ts
2
A
a
n
d
2
2
0
–
2
4
0
V,
b
u
t u
s
ed
f
o
r
p
o
w
er
in
g
t
h
e
f
a
n
s
y
s
te
m
.
6.
Up
d
atin
g
b
u
tto
n
(
r
ed
)
: it
is
u
s
ed
to
u
p
d
ate
th
e
s
en
s
o
r
r
ea
d
in
g
s
o
n
t
h
e
d
is
p
la
y
s
cr
ee
n
.
7.
A
g
r
ee
n
b
u
t
to
n
: it
i
s
u
t
ilized
f
o
r
m
a
n
u
a
ll
y
o
p
er
atin
g
t
h
e
air
co
n
d
itio
n
i
n
g
s
y
s
te
m
.
8.
A
b
l
u
e
b
u
tto
n
: it
is
u
tili
ze
d
f
o
r
m
an
u
all
y
o
p
er
atin
g
th
e
f
a
n
s
y
s
te
m
.
9.
USB
t
y
p
e
C
:
to
b
e
u
s
ed
f
o
r
u
p
lo
ad
in
g
th
e
d
e
v
elo
p
ed
s
k
etc
h
(
s
o
f
t
w
ar
e)
,
b
ased
o
n
A
r
d
u
i
n
o
I
DE
,
o
n
th
e
No
d
eM
C
U.
10.
OL
E
D
6
4
x
1
2
8
s
cr
ee
n
:
it
is
u
tili
ze
d
f
o
r
s
h
o
w
in
g
t
h
e
s
e
n
s
o
r
s
r
ea
d
in
g
,
th
e
s
it
u
atio
n
o
f
th
e
m
o
n
ito
r
ed
s
p
ac
e
an
d
th
e
s
ta
tu
s
(
o
n
o
r
o
f
f
)
o
f
th
e
air
co
n
d
itio
n
i
n
g
an
d
f
a
n
s
y
s
te
m
s
,
a
s
p
r
ev
io
u
s
l
y
il
lu
s
t
r
ated
.
11.
P
o
w
er
L
E
D:
it i
s
ex
p
lo
ited
to
in
d
icate
th
e
o
p
er
atio
n
s
ta
te
o
f
t
h
e
co
n
tr
o
l u
n
it.
12.
E
x
tr
a
o
u
tp
u
t
s
o
ck
et
:
t
h
is
s
o
c
k
et
o
u
tp
u
ts
1
A
a
n
d
1
2
V
an
d
i
t
ca
n
b
e
e
m
p
lo
y
ed
f
o
r
t
h
e
p
u
r
p
o
s
e
o
f
f
u
tu
r
e
d
ev
elo
p
m
en
t o
r
f
o
r
o
p
er
atin
g
r
eq
u
ir
ed
ad
d
itio
n
al
d
ev
ice.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8708
I
n
tern
et
o
f th
in
g
s
b
a
s
ed
in
d
u
s
tr
ia
l e
n
vi
r
o
n
men
t m
o
n
ito
r
in
g
a
n
d
co
n
tr
o
l:
…
(
A
la
a
A
b
d
u
lh
a
d
y
Ja
b
er
)
4665
13.
R
J
4
5
s
o
ck
et:
it
u
s
ed
to
p
o
wer
th
e
s
e
n
s
in
g
u
n
it
v
ia
R
J
4
5
ca
b
le.
Hen
ce
,
R
J
4
5
s
o
ck
et
i
s
a
co
n
n
ec
to
r
co
m
m
o
n
l
y
u
ti
lized
f
o
r
E
th
er
n
et
n
et
w
o
r
k
i
n
g
.
I
t
h
as
ei
g
h
t
p
in
s
a
n
d
,
ac
co
r
d
in
g
l
y
,
m
ea
n
in
g
th
at
t
h
e
R
J
4
5
ca
b
le
co
n
tain
i
n
g
ei
g
h
t
s
ep
ar
at
ed
w
ir
es,
w
h
ic
h
co
r
r
esp
o
n
d
in
g
l
y
f
o
r
m
i
n
g
f
o
u
r
p
air
s
f
o
r
p
o
w
er
i
n
g
t
h
e
g
a
s
an
d
te
m
p
er
atu
r
e
s
e
n
s
o
r
s
an
d
t
h
e
b
u
zz
er
in
t
h
e
s
e
n
s
i
n
g
u
n
it a
n
d
o
n
e
p
air
is
lef
t
f
r
ee
.
14.
T
h
e
s
en
s
o
r
u
n
it:
t
h
e
m
ain
co
m
p
o
n
e
n
ts
o
f
t
h
i
s
u
n
it
a
n
d
h
o
w
t
h
e
y
ar
e
co
n
n
ec
ted
to
th
e
No
d
eM
C
U
h
a
v
e
b
ee
n
p
r
ev
io
u
s
l
y
d
is
c
u
s
s
ed
in
S
ec
tio
n
4
.
15.
T
h
e
MQ
-
1
3
5
g
as
s
en
s
o
r
:
it
is
p
o
w
er
ed
f
r
o
m
co
n
tr
o
l
u
n
it
a
n
d
it
co
m
m
u
n
icate
s
t
h
e
ac
q
u
ir
e
d
d
ata
to
b
ac
k
to
No
d
eM
C
U.
16.
A
ler
ti
n
g
b
u
zz
er
:
it
i
s
u
ti
lize
d
to
p
r
o
d
u
ce
s
o
u
n
d
w
h
e
n
t
h
e
s
y
s
te
m
is
d
etec
t
in
g
an
e
n
v
ir
o
n
m
e
n
tal
ab
n
o
r
m
alit
y
in
t
h
e
m
o
n
ito
r
ed
s
p
ac
e.
17.
DS1
8
B
2
0
tem
p
er
atu
r
e
s
e
n
s
o
r
:
it h
as a
l
s
o
b
ee
n
p
r
ev
io
u
s
l
y
d
is
cu
s
s
ed
.
(
a)
(
b
)
Fig
u
r
e
11
.
T
h
e
d
ev
elo
p
ed
elec
tr
o
n
ic
s
y
s
te
m
,
a)
T
h
e
co
n
tr
o
l u
n
it,
b)
Sen
s
o
r
u
n
i
t
8.
CO
NCLUS
I
O
N
T
h
is
p
ap
er
h
as
ad
d
r
ess
ed
t
h
e
d
esig
n
a
n
d
co
n
s
tr
u
ct
io
n
o
f
a
n
elec
tr
o
n
ic
s
y
s
te
m
b
a
s
ed
o
n
I
n
ter
n
et
o
f
th
i
n
g
s
(
I
o
T
)
co
n
ce
p
t.
T
h
e
m
ain
ai
m
o
f
th
e
d
esi
g
n
ed
I
o
T
s
y
s
te
m
,
alt
h
o
u
g
h
it
i
s
n
o
t
li
m
ited
to
th
is
,
i
s
to
m
o
n
i
to
r
an
d
th
e
n
co
n
tr
o
l
th
e
i
n
d
u
s
tr
ial
en
v
ir
o
n
m
e
n
ts
,
s
u
c
h
as
f
ac
to
r
ies,
o
r
ev
e
n
lab
s
.
Det
ailed
d
escr
ip
tio
n
o
f
th
e
elec
tr
o
n
ic
e
v
o
lu
tio
n
h
as
b
ee
n
p
r
o
v
id
ed
in
th
i
s
r
esear
ch
.
C
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RE
F
E
R
E
NC
E
S
[1
]
J.
V
a
lv
e
rd
e
,
V
.
Ro
se
ll
o
,
G
.
M
u
ji
c
a
,
J.
P
o
r
ti
ll
a
,
A
.
Uria
rte,
a
n
d
T
.
Ries
g
o
,
"
W
ir
e
les
s
S
e
n
so
r
Ne
t
w
o
rk
f
o
r
En
v
iro
n
m
e
n
tal
M
o
n
it
o
rin
g
:
A
p
p
li
c
a
ti
o
n
in
a
Co
f
f
e
e
F
a
c
to
ry
,
"
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
Dis
trib
u
ted
S
e
n
s
o
r
Ne
two
rk
s
,
v
o
l.
8
,
p
p
.
6
3
8
0
6
7
,
2
0
1
1
.
[2
]
J.
H
w
a
n
g
,
C.
S
h
in
,
a
n
d
H.
Yo
e
,
"
S
tu
d
y
o
n
a
n
Ag
ricu
lt
u
ra
l
En
v
iro
n
m
e
n
t
M
o
n
it
o
rin
g
S
e
rv
e
r
S
y
ste
m
u
sin
g
W
irele
ss
S
e
n
so
r
Ne
tw
o
rk
s,"
S
e
n
so
rs
(Ba
se
l,
S
w
it
z
e
rlan
d
),
v
o
l.
1
0
,
p
p
.
1
1
1
8
9
-
1
1
2
1
1
,
2
0
1
0
.
[3
]
M
.
X
ia
o
,
J.
L
ian
g
,
a
n
d
Y.
S
h
i
,
"
Zi
g
Be
e
-
b
a
s
e
d
T
e
m
p
e
ra
tu
re
Co
n
tro
ll
i
n
g
S
y
st
e
m
f
o
r
A
g
ricu
lt
u
ra
l
G
re
e
n
h
o
u
se
s,"
in
2
0
1
8
5
th
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
S
y
ste
ms
a
n
d
In
fo
rm
a
t
ics
(
I
CS
AI)
,
2
0
1
8
,
p
p
.
5
2
6
-
5
3
1
.
[4
]
D.
Jin
so
n
g
,
W
.
W
e
i,
G
.
Jie
,
a
n
d
C.
Rig
a
n
g
,
"
Distrib
u
ted
in
telli
g
e
n
t
u
rb
a
n
e
n
v
iro
n
m
e
n
t
m
o
n
it
o
ri
n
g
s
y
ste
m
,
"
IOP
Co
n
fer
e
n
c
e
S
e
rie
s: E
a
rt
h
a
n
d
En
v
iro
n
me
n
ta
l
S
c
ien
c
e
,
v
o
l
.
1
1
3
,
p
p
.
0
1
2
2
2
2
,
2
0
1
8
.
[5
]
P
.
S
i
h
o
m
b
in
g
,
T
.
P
.
A
stu
ti
,
He
rri
y
a
n
c
e
,
a
n
d
D.
S
it
o
m
p
u
l,
"
M
icro
c
o
n
tr
o
ll
e
r
b
a
se
d
a
u
to
m
a
ti
c
te
m
p
e
r
a
tu
re
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o
n
tr
o
l
f
o
r
o
y
ste
r
m
u
sh
ro
o
m
p
lan
ts,"
J
o
u
rn
a
l
o
f
P
h
y
sic
s: Co
n
fer
e
n
c
e
S
e
rie
s
,
v
o
l.
9
7
8
,
p
p
.
0
1
2
0
3
1
,
2
0
1
8
.
[6
]
K.
Ke
e
ra
ti
b
u
rt,
"
A
u
to
m
a
ti
c
S
p
e
e
d
Co
n
tro
l
a
n
d
T
u
rn
i
n
g
ON
/OF
F
f
o
r
S
m
a
rt
F
a
n
b
y
T
e
m
p
e
ra
tu
re
a
n
d
Ultras
o
n
ic
S
e
n
so
r,
"
IOP
Co
n
fer
e
n
c
e
S
e
rie
s: M
a
ter
ia
ls S
c
ien
c
e
a
n
d
En
g
in
e
e
rin
g
,
v
o
l.
3
2
5
,
pp
.
0
1
2
0
2
2
,
2
0
1
8
.
[7
]
P
.
A
rro
y
o
,
J.
L
o
z
a
n
o
,
a
n
d
J
.
I.
S
u
á
re
z
,
"
Ev
o
lu
ti
o
n
o
f
W
irele
ss
S
e
n
so
r
Ne
tw
o
rk
f
o
r
A
ir
Qu
a
li
ty
M
e
a
su
re
m
e
n
ts,"
El
e
c
tro
n
ics
,
v
o
l.
7
,
p
p
.
3
4
2
,
2
0
1
8
.
[8
]
X
.
Ba
jram
i
a
n
d
I.
M
u
rtu
ri
,
"
A
n
e
ff
icie
n
t
a
p
p
ro
a
c
h
to
m
o
n
it
o
ri
n
g
e
n
v
iro
n
m
e
n
tal
c
o
n
d
it
i
o
n
s
u
sin
g
a
w
irele
ss
se
n
so
r
n
e
tw
o
rk
a
n
d
No
d
e
M
CU,"
e
&
i
E
lek
tro
tec
h
n
ik u
n
d
I
n
f
o
rm
a
ti
o
n
ste
c
h
n
ik
,
v
o
l
.
1
3
5
,
p
p
.
2
9
4
-
3
0
1
,
Ju
n
2
0
1
8
.
[9
]
A
.
Ya
sirli
a
n
d
S
.
M
u
k
h
a
m
m
a
d
A
n
d
ri,
"
Im
p
ro
v
in
g
S
m
a
rt
Ho
m
e
Co
n
c
e
p
t
w
it
h
th
e
I
n
tern
e
t
o
f
Th
in
g
s
Co
n
c
e
p
t
Us
in
g
Ra
sp
b
e
rr
y
P
i
a
n
d
No
d
e
M
CU,"
IOP
Co
n
fer
e
n
c
e
S
e
rie
s:
M
a
ter
ia
ls
S
c
ien
c
e
a
n
d
En
g
i
n
e
e
rin
g
,
v
o
l.
3
2
5
,
p
p
.
0
1
2
0
2
1
,
2
0
1
8
.
[1
0
]
R.
K.
K
o
d
a
li
a
n
d
K.
S
.
M
a
h
e
sh
,
"
L
o
w
c
o
st
a
m
b
ien
t
m
o
n
it
o
ri
n
g
u
sin
g
ES
P
8
2
6
6
,
"
i
n
2
0
1
6
2
n
d
I
n
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
Co
n
tem
p
o
r
a
ry
Co
mp
u
ti
n
g
a
n
d
I
n
fo
rm
a
ti
c
s (
IC3
I)
,
2
0
1
6
,
p
p
.
7
7
9
-
7
8
2
.
[1
1
]
N.
T
.
S
u
ra
ju
d
e
e
n
-
Ba
k
in
d
e
,
S
.
O.
Ay
o
d
e
le,
T
.
D.
Olo
ru
n
to
b
a
,
A
.
O.
Otu
o
z
e
,
a
n
d
N.
F
a
ru
k
,
"
De
v
e
lo
p
m
e
n
t
o
f
a
n
In
tern
e
t
b
a
se
d
p
re
p
a
i
d
e
n
e
rg
y
m
e
ter,"
in
2
0
1
7
IEE
E
AF
RICO
N
,
2
0
1
7
,
p
p
.
1
3
7
0
-
1
3
7
3
.
[1
2
]
N.
A
b
ra
h
a
m
,
R.
Ra
m
a
r,
a
n
d
J.
Ra
m
a
c
h
a
n
d
ra
n
,
"
S
e
lf
R
e
g
u
latin
g
P
o
w
e
r
S
a
v
in
g
S
y
ste
m
f
o
r
Ho
m
e
A
u
to
m
a
ti
o
n
,
"
in
Arti
fi
c
i
a
l
I
n
telli
g
e
n
c
e
a
n
d
Evo
l
u
ti
o
n
a
ry
C
o
mp
u
ta
ti
o
n
s
in
E
n
g
in
e
e
rin
g
S
y
ste
ms
,
S
i
n
g
a
p
o
re
,
p
p
.
1
2
1
-
1
3
2
,
2
0
1
8
.
[1
3
]
T
.
P
a
n
a
n
d
Y.
Zh
u
,
"
In
tell
ig
e
n
t
L
o
c
k
S
y
ste
m
Us
in
g
A
rd
u
in
o
,
"
in
De
sig
n
in
g
Em
b
e
d
d
e
d
S
y
ste
ms
wit
h
Ard
u
in
o
:
A
Fu
n
d
a
me
n
ta
l
T
e
c
h
n
o
l
o
g
y
f
o
r M
a
k
e
rs
,
e
d
S
in
g
a
p
o
re
:
S
p
rin
g
e
r
S
i
n
g
a
p
o
re
,
2
0
1
8
,
p
p
.
2
0
5
-
2
2
0
.
[1
4
]
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