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a
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it c
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e
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n
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o
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s
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t
-
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e
x
p
o
s
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x
p
o
s
u
r
e
to
t
h
is
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a
s
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y
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h
er
e
f
r
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3
0
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i
n
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te
s
to
2
4
h
o
u
r
s
ca
n
h
a
v
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ad
v
er
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h
ea
lth
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f
f
ec
t
s
o
n
r
esp
i
r
ato
r
y
air
w
a
y
s
s
u
c
h
as
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w
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y
in
f
la
m
m
atio
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an
d
in
cr
ea
s
ed
ast
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m
a
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y
m
p
to
m
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p
le
th
at
s
u
f
f
er
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o
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it.
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er
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as
s
es
ar
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d
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g
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o
u
s
b
ec
au
s
e
t
h
e
y
ar
e
f
la
m
m
ab
le
an
d
ex
p
lo
s
iv
e,
s
u
c
h
a
s
Me
t
h
a
n
e
,
w
h
ic
h
i
s
o
d
o
r
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in
lo
w
co
n
ce
n
tr
atio
n
an
d
it i
s
h
i
g
h
l
y
e
x
p
lo
s
i
v
e
a
n
d
co
u
ld
lead
to
s
u
f
f
o
ca
tio
n
.
An
o
th
er
f
la
m
m
ab
le
g
a
s
is
H
y
d
r
o
g
e
n
,
w
h
ic
h
ca
n
b
e
v
er
y
ex
p
lo
s
i
v
e
at
s
p
ec
i
f
ic
co
n
ce
n
t
r
atio
n
s
.
T
h
es
e
g
as
s
es
ar
e
p
o
s
s
ib
le
t
h
r
ea
ts
f
ac
i
n
g
ev
er
y
h
o
u
s
e
h
o
ld
,
b
u
t
p
r
o
tectio
n
f
r
o
m
th
e
s
e
g
a
s
es
(
th
r
o
u
g
h
co
m
p
a
n
ies
t
h
at
o
f
f
er
d
ev
ices
an
d
s
en
s
o
r
s
f
o
r
p
r
o
tectio
n
)
ar
e
co
s
tl
y
an
d
ar
e
o
u
t
o
f
th
e
r
ea
ch
o
f
m
a
n
y
p
eo
p
le.
T
h
at
lead
s
to
p
r
esen
t
th
i
s
p
r
o
j
ec
t
to
f
in
d
a
s
o
lu
t
io
n
f
o
r
th
is
p
r
o
b
lem
b
y
p
r
o
tectin
g
a
g
ain
s
t
th
e
s
e
d
an
g
er
o
u
s
g
ase
s
an
d
m
a
k
i
n
g
s
u
r
e
h
o
u
s
e
s
ar
e
s
af
e,
w
h
i
le
at
th
e
s
a
m
e
ti
m
e
k
ee
p
in
g
co
s
ts
lo
w
an
d
a
f
f
o
r
d
ab
le
.
3.
RE
L
AT
E
D
WO
RK
Hu
s
s
ei
n
in
h
i
s
r
esear
ch
h
as
e
x
p
lain
ed
th
at
t
h
e
g
o
al
o
f
th
e
p
r
o
j
ec
t
is
to
u
s
e
co
m
m
o
n
an
d
av
ailab
le
s
en
s
o
r
s
to
cr
ea
te
en
g
in
e
e
m
i
s
s
io
n
d
etec
tin
g
co
m
p
u
ter
an
d
g
iv
e
a
j
u
d
g
m
e
n
t
o
n
w
h
e
th
er
an
ar
ea
is
ab
o
v
e
o
r
b
elo
w
t
h
e
r
eq
u
ir
ed
e
m
i
s
s
io
n
lev
e
ls
.
T
h
e
m
ai
n
m
eth
o
d
o
f
m
ea
s
u
r
e
m
e
n
t
i
s
u
s
i
n
g
a
C
ar
b
o
n
Mo
n
o
x
id
e
s
e
n
s
o
r
[
2
]
.
A
r
iza
g
a,
C
allej
a,
Her
n
an
d
ez
,
an
d
B
e
n
itez
p
r
esen
ted
a
p
r
o
j
e
ct,
w
h
ich
i
s
b
u
ilt
ar
o
u
n
d
an
au
to
m
ate
d
co
n
tr
o
l
s
y
s
te
m
th
at
is
u
s
ed
to
en
s
u
r
e
s
ter
ilizatio
n
o
f
b
io
lo
g
ical
m
ater
ial.
T
h
is
s
y
s
te
m
is
s
ep
ar
ated
in
to
f
o
u
r
m
o
d
u
les
t
h
at
ar
e
f
la
m
e
d
etec
tio
n
,
p
r
ess
u
r
e
s
e
n
s
o
r
,
g
as
co
n
tr
o
l
an
d
P
U
m
o
d
u
les.
T
h
e
s
y
s
te
m
i
s
co
n
tr
o
lled
ce
n
tr
all
y
b
y
a
n
A
r
d
u
i
n
o
b
o
ar
d
u
s
i
n
g
t
h
e
C
++
la
n
g
u
a
g
e.
T
h
e
s
y
s
te
m
w
a
s
tes
ted
to
en
s
u
r
e
th
at
it
i
s
ab
le
to
m
ai
n
tai
n
th
e
d
i
f
f
er
e
n
t e
n
v
ir
o
n
m
en
tal
v
ar
iab
les
n
ee
d
ed
f
o
r
p
r
o
p
er
s
ter
ilizatio
n
[
3
]
.
Sa
y
a
n
tan
i,
Srid
ev
i,
a
n
d
P
itch
i
ah
ex
p
lai
n
ed
i
n
t
h
eir
p
ap
er
th
a
t
th
e
p
r
o
j
ec
t'
s
s
tated
ai
m
w
a
s
t
o
d
ev
elo
p
a
w
ir
eless
s
o
l
u
tio
n
f
o
r
in
d
o
o
r
air
q
u
alit
y
m
o
n
ito
r
i
n
g
u
s
in
g
J
av
a.
T
h
e
p
r
o
p
o
s
ed
s
y
s
t
e
m
i
s
to
in
te
g
r
ate
en
v
ir
o
n
m
e
n
tal
p
ar
a
m
eter
s
li
k
e
te
m
p
er
atu
r
e,
h
u
m
id
it
y
,
g
a
s
eo
u
s
p
o
llu
tan
t
s
an
d
ae
r
o
s
o
l/p
ar
ti
cu
late
m
atter
i
n
to
a
co
n
tr
o
llin
g
HV
AC
(
Hea
tin
g
,
Ven
tilat
io
n
,
an
d
A
ir
C
o
n
d
itio
n
in
g
)
s
y
s
te
m
in
a
s
m
ar
t b
u
i
ld
in
g
[
4
]
.
I
n
2
0
1
3
,
P
r
ee
th
ich
an
d
r
a
h
as
d
e
m
o
n
s
tr
ated
th
at
t
h
e
r
esear
ch
o
b
j
ec
tiv
e
is
th
e
d
e
v
elo
p
m
en
t
o
f
an
u
l
tr
a
-
lo
w
p
o
w
er
m
icr
o
co
n
tr
o
ller
f
o
r
s
en
s
o
r
n
o
d
es
to
g
at
h
er
in
f
o
r
m
atio
n
o
n
in
d
o
o
r
air
q
u
alit
y
.
T
h
e
s
y
s
te
m
m
ea
s
u
r
e
s
C
ar
b
o
n
Dio
x
id
e,
C
ar
b
o
n
Mo
n
o
x
id
e,
P
r
o
p
an
e
an
d
m
et
h
a
n
e
u
s
i
n
g
i
n
d
u
s
tr
ia
l
g
r
ad
e
g
a
s
s
e
n
s
o
r
s
.
T
h
e
r
esear
ch
w
a
s
v
er
i
f
ied
w
it
h
ac
tu
al
m
ea
s
u
r
e
m
e
n
ts
u
n
d
er
r
ea
l
-
li
f
e
s
it
u
at
io
n
s
[
5
]
.
I
n
2
0
1
4
,
Fer
d
o
u
s
h
a
n
d
Xi
n
r
o
n
g
d
esi
g
n
ed
a
n
e
n
v
ir
o
n
m
en
ta
l
m
o
n
ito
r
in
g
s
y
s
te
m
b
ased
o
n
A
r
d
u
i
n
o
an
d
R
asp
b
er
r
y
P
i.
I
t
is
an
in
ex
p
en
s
i
v
e
an
d
s
ca
lab
le
w
ir
ele
s
s
s
en
s
o
r
n
et
w
o
r
k
s
y
s
te
m
t
h
at
ca
n
b
e
u
s
ed
in
m
a
n
y
en
v
ir
o
n
m
e
n
tal
m
o
n
ito
r
in
g
ap
p
licatio
n
s
[
6
]
.
I
n
2
0
1
6
,
So
n
ali
a
n
d
Ve
n
k
a
tas
u
b
r
a
m
a
n
ian
p
r
esen
ted
a
R
asp
b
er
r
y
-
p
i
b
ased
o
n
I
OT
s
y
s
te
m
th
at
is
ab
le
to
m
o
n
ito
r
th
e
en
v
ir
o
n
m
e
n
t
al
p
ar
a
m
eter
s
,
s
u
c
h
a
s
ca
r
b
o
n
d
io
x
id
e,
te
m
p
er
atu
r
e,
h
u
m
id
it
y
,
an
d
ca
r
b
o
n
m
o
n
o
x
id
e.
T
h
e
s
y
s
te
m
u
p
lo
ad
s
th
e
r
ec
o
r
d
ed
p
ar
am
eter
s
to
t
h
e
clo
u
d
f
o
r
th
e
u
s
er
,
w
h
o
ca
n
tr
ac
k
t
h
e
co
n
d
itio
n
o
f
t
h
e
e
n
v
ir
o
n
m
en
t
[
7
]
.
A
s
f
o
r
B
alasu
b
r
a
m
a
n
i
y
an
a
n
d
Ma
n
iv
an
n
a
n
,
t
h
e
y
d
escr
ib
ed
a
m
o
n
ito
r
in
g
s
y
s
te
m
f
o
r
A
ir
q
u
alit
y
t
h
at
u
s
e
s
I
o
T
an
d
R
asp
b
er
r
y
P
i.
T
h
e
s
y
s
te
m
g
o
al
is
to
r
e
m
o
tel
y
m
o
n
ito
r
t
h
e
air
q
u
al
it
y
i
n
a
s
p
ec
if
ic
ar
ea
o
f
i
n
ter
est,
an
d
i
t
is
a
u
s
er
-
o
r
ien
ted
s
y
s
te
m
[
8
]
.
I
n
ad
d
itio
n
,
J
ad
h
av
et
al.
b
u
ilt
a
R
a
s
p
b
er
r
y
-
p
i
b
ased
en
v
ir
o
n
m
e
n
t
m
o
n
ito
r
i
n
g
s
y
s
te
m
.
I
t
is
a
u
n
i
v
er
s
al
an
d
s
ca
lab
le
s
y
s
te
m
th
at
ca
n
m
o
n
ito
r
th
e
en
v
ir
o
n
m
e
n
tal
p
ar
a
m
e
ter
s
s
u
c
h
as h
u
m
id
it
y
C
O2
co
n
ce
n
tr
ati
o
n
in
air
,
te
m
p
er
at
u
r
e,
an
d
m
o
r
e
[
9
]
.
B
y
2
0
1
7
,
R
o
h
a
n
i e
t a
l.
u
s
ed
Ar
d
u
in
o
m
icr
o
co
n
tr
o
ller
w
i
th
O
p
en
P
latf
o
r
m
C
o
m
m
u
n
icatio
n
s
(
OP
C
)
in
d
esig
n
in
g
a
m
o
n
ito
r
in
g
s
y
s
te
m
to
co
n
tr
o
l
an
d
m
o
n
ito
r
t
h
e
C
O2
e
m
is
s
io
n
in
th
e
in
d
u
s
tr
ial
en
v
ir
o
n
m
e
n
t.
S
y
s
te
m
tes
tin
g
w
as
p
er
f
o
r
m
ed
i
n
a
lab
u
n
d
er
r
ea
l
-
ti
m
e
C
O2
e
m
is
s
io
n
s
m
ea
s
u
r
e
m
en
t,
a
n
d
s
y
s
te
m
i
m
p
le
m
en
ta
tio
n
i
n
d
icate
d
a
s
u
cc
ess
f
u
l a
p
p
licatio
n
[
1
0
]
.
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r
e,
Me
k
k
i
an
d
A
b
d
allah
i
m
p
le
m
e
n
ted
a
m
o
n
it
o
r
in
g
s
y
s
te
m
f
o
r
g
r
ee
n
h
o
u
s
e
co
n
tr
o
lli
n
g
u
s
i
n
g
W
ir
eless
Se
n
s
o
r
Ne
t
w
o
r
k
s
(
W
SN)
.
T
em
p
er
atu
r
e,
h
u
m
id
it
y
,
an
d
s
o
il
p
ar
a
m
eter
s
w
er
e
co
n
tr
o
lled
b
y
th
e
p
r
o
p
o
s
ed
s
y
s
te
m
[
1
2
]
.
A
b
d
A
lla
h
et
al.
p
r
esen
ted
a
d
ata
lo
g
g
er
s
y
s
te
m
t
h
at
ca
n
b
e
u
s
ed
in
ap
p
licatio
n
s
o
f
e
n
v
i
r
o
n
m
e
n
tal
m
o
n
ito
r
i
n
g
.
T
h
e
s
y
s
te
m
i
s
u
n
iv
er
s
al,
it
i
s
b
u
ilt
u
s
in
g
A
r
d
u
i
n
o
an
d
L
ab
Vie
w
s
o
f
t
w
ar
e,
an
d
ca
n
b
e
u
s
ed
as
a
s
tan
d
alo
n
e
d
e
v
ice
.
I
t c
an
m
o
n
i
to
r
an
d
r
ec
o
r
d
a
m
as
s
i
v
e
a
m
o
u
n
t o
f
d
ata
[
1
3
]
.
B
ah
ar
u
n
et
al.
u
s
ed
t
h
e
SIC
K
s
e
n
s
o
r
in
co
n
d
u
ct
in
g
a
s
t
u
d
y
o
n
m
ea
s
u
r
i
n
g
an
d
a
n
al
y
zi
n
g
th
e
air
q
u
alit
y
in
s
id
e
th
e
Me
r
u
Me
n
o
r
a
T
u
n
n
el.
T
h
e
s
t
u
d
y
h
elp
ed
in
co
n
tr
o
lli
n
g
th
e
v
e
n
tilatio
n
f
an
s
y
s
te
m
,
w
h
ic
h
o
p
er
ates
ef
f
icie
n
tl
y
d
ep
en
d
in
g
o
n
t
h
e
g
ase
s
co
n
ce
n
tr
atio
n
lev
el
in
t
h
e
t
u
n
n
el
an
d
th
u
s
e
li
m
i
n
ate
s
t
h
e
p
o
w
er
co
n
s
u
m
p
tio
n
[
1
4
]
.
Mo
n
tan
ar
o
et
al.
p
r
esen
ted
an
air
p
o
llu
tio
n
m
o
n
ito
r
i
n
g
s
y
s
te
m
f
o
r
th
e
cit
y
,
ca
lled
S
m
ar
tB
ik
e.
T
h
e
s
y
s
te
m
e
x
p
lo
ited
a
n
et
w
o
r
k
o
f
b
ic
y
c
les
to
p
r
o
v
id
e
s
ev
er
al
s
er
v
ices
to
citi
ze
n
s
,
s
u
c
h
as
b
ik
e
s
lo
ca
tio
n
d
etec
tio
n
,
an
ti
th
e
f
t,
tr
av
eled
d
is
tan
ce
,
a
n
d
m
o
n
ito
r
in
g
o
f
air
p
o
llu
tio
n
[
1
5
]
.
4.
SYST
E
M
DE
SI
G
N
4
.
1
.
H
a
rdw
a
re
T
h
e
p
r
o
p
o
s
ed
s
y
s
te
m
i
s
d
esi
g
n
ed
to
u
p
lo
ad
r
ea
d
in
g
s
p
r
o
v
id
ed
b
y
m
an
y
s
e
n
s
o
r
s
co
n
n
ec
ted
to
a
R
asp
b
er
r
y
P
i,
p
r
o
v
id
in
g
d
ata
an
al
y
s
is
a
n
d
ea
r
l
y
w
ar
n
i
n
g
.
I
n
t
h
is
s
y
s
te
m
,
v
ar
io
u
s
s
o
f
t
w
ar
e
an
d
h
ar
d
w
ar
e
ar
e
u
s
ed
.
1)
R
asp
b
er
r
y
P
i:
A
v
er
y
s
m
a
ll
co
m
p
u
ter
(
s
in
g
le
-
b
o
ar
d
co
m
p
u
ter
)
ca
n
b
e
u
s
e
f
u
l
i
n
d
if
f
er
en
t
elec
tr
o
n
ics
p
r
o
j
ec
ts
.
I
t
also
ca
n
b
e
u
s
e
d
l
ik
e
a
d
esk
to
p
P
C
,
w
h
ic
h
ca
n
p
er
f
o
r
m
m
a
n
y
th
in
g
s
s
u
ch
as
g
a
m
es,
s
p
r
ea
d
s
h
ee
ts
,
p
r
o
ce
s
s
in
g
an
d
p
lay
s
h
i
g
h
-
d
e
f
i
n
itio
n
v
id
eo
s
.
I
t
p
r
o
v
id
es
m
a
n
y
i
n
p
u
t
a
n
d
o
u
t
p
u
t
p
o
r
ts
s
u
ch
as L
AN,
GP
I
O,
HDM
I
,
an
d
USB
[
1
6
]
.
2)
B
r
ea
d
b
o
ar
d
:
A
s
o
ld
er
-
less
ele
ctr
o
n
ic
b
o
ar
d
u
s
ed
f
o
r
p
r
o
to
ty
p
i
n
g
cir
c
u
it
s
.
I
t
i
s
r
e
u
s
ab
le,
m
ak
in
g
it
id
ea
l
f
o
r
cr
ea
tin
g
te
m
p
o
r
ar
y
c
ir
cu
it
d
esig
n
s
to
e
x
p
er
i
m
e
n
t
on
.
I
t
c
o
n
s
is
ts
o
f
t
w
o
m
ain
ar
ea
s
,
th
e
f
ir
s
t
ar
ea
i
s
t
h
e
ar
ea
o
f
t
h
e
b
o
ar
d
w
h
er
e
s
e
n
s
o
r
s
an
d
co
m
p
o
n
e
n
t
s
ca
n
i
n
s
e
r
t
o
n
it,
a
n
d
t
h
e
s
ec
o
n
d
ar
ea
is
t
h
e
to
p
an
d
b
o
tto
m
s
tr
ip
s
u
s
ed
to
d
is
tr
ib
u
te
th
e
p
o
s
itiv
e
a
n
d
n
e
g
ati
v
e
v
o
l
tag
es t
h
at
p
o
w
er
t
h
e
co
m
p
o
n
e
n
ts
.
3)
T
–
co
b
b
ler
:
A
p
iece
o
f
h
ar
d
w
ar
e
u
s
ed
to
co
n
n
ec
t
t
h
e
R
a
s
p
b
er
r
y
P
i
to
th
e
b
r
ea
d
b
o
ar
d
e
asil
y
,
allo
w
i
n
g
ea
s
y
a
n
d
lab
eled
ac
ce
s
s
to
th
e
R
asp
b
er
r
y
P
i'
s
GP
I
O
p
o
r
ts
.
I
t a
cq
u
ir
es so
m
e
s
o
ld
er
in
g
.
4)
MCP
3
0
0
8
:
A
n
an
alo
g
u
e
-
d
ig
i
t
al
co
n
v
er
ter
(
A
D
C
)
u
s
ed
w
it
h
s
o
m
e
o
f
t
h
e
p
r
o
j
ec
t'
s
s
en
s
o
r
s
t
o
co
n
v
er
t
th
eir
s
ig
n
al
to
d
ig
ita
l f
o
r
m
.
5)
Sen
s
o
r
s
:
a)
DHT
2
2
-
Hu
m
id
it
y
&
T
e
m
p
er
atu
r
e
s
en
s
o
r
.
An
ADC
i
s
n
o
t
r
eq
u
ir
ed
f
o
r
th
is
s
en
s
o
r
b
ec
au
s
e
it
i
s
d
ig
ital.
b)
T
GS
2
6
0
0
-
Gen
er
al
Air
Qu
a
lit
y
:
T
h
is
s
en
s
o
r
co
n
s
is
ts
o
f
a
m
i
x
tu
r
e
o
f
g
ase
s
,
w
h
ich
ar
e
m
et
h
an
e
,
is
o
b
u
tan
e
,
et
h
a
n
o
l,
an
d
h
y
d
r
o
g
en
.
T
h
e
o
u
tp
u
t o
f
th
i
s
s
e
n
s
o
r
is
an
alo
g
u
e,
s
o
an
ADC i
s
n
ec
ess
ar
y
.
c)
MI
C
S
-
2710
–
NO2
C
o
n
ce
n
tr
atio
n
:
T
h
e
o
u
tp
u
t
o
f
t
h
is
s
e
n
s
o
r
is
a
n
alo
g
u
e
;
as
a
r
es
u
lt,
an
ADC
is
r
eq
u
ir
ed
.
T
h
e
co
n
ce
n
tr
atio
n
o
f
NO2
ca
n
b
e
d
ig
n
i
f
ied
b
y
u
s
i
n
g
th
i
s
s
e
n
s
o
r
.
d)
MI
C
S
-
5525
-
C
O
C
o
n
ce
n
tr
ati
o
n
: T
h
is
s
e
n
s
o
r
m
i
g
h
t
b
e
t
h
e
m
o
s
t
i
m
p
o
r
tan
t o
n
e
b
ec
au
s
e
a
s
m
en
t
io
n
ed
in
th
i
s
p
ap
er
th
e
C
O
g
as
h
as
n
o
s
m
ell
s
o
th
at
it
ca
n
b
e
v
er
y
d
an
g
er
o
u
s
,
an
d
th
is
s
en
s
o
r
m
e
asu
r
es
t
h
e
co
n
ce
n
tr
atio
n
o
f
C
O.
T
h
is
s
e
n
s
o
r
h
as a
w
id
e
d
etec
tio
n
r
an
g
e
.
4
.
2
.
So
f
t
wa
re
1)
R
asp
b
ian
:
A
f
r
ee
a
n
d
o
p
en
s
o
u
r
ce
Op
er
atin
g
S
y
s
te
m
t
h
at
is
b
ased
o
n
L
i
n
u
x
Deb
ian
.
I
t
i
s
o
p
ti
m
ized
f
o
r
th
e
R
a
s
p
b
er
r
y
P
i,
m
a
k
in
g
it
li
g
h
t
y
et
p
o
w
er
f
u
l
.
2)
P
y
t
h
o
n
:
A
h
i
g
h
-
lev
el
p
r
o
g
r
a
m
m
i
n
g
la
n
g
u
a
g
e
t
h
at
lets
y
o
u
wo
r
k
m
o
r
e
r
ap
id
l
y
an
d
in
teg
r
at
e
y
o
u
r
s
y
s
te
m
s
m
o
r
e
ef
f
ec
ti
v
el
y
.
I
t
is
th
e
m
ain
m
et
h
o
d
t
h
at
u
s
ed
to
in
te
r
ac
t
w
ith
t
h
e
GP
I
O
(
Ge
n
er
al
P
u
r
p
o
s
e
I
n
p
u
t
Ou
tp
u
t)
p
o
r
t.
L
ik
e
th
e
R
asp
b
ia
n
,
P
y
th
o
n
is
f
r
ee
an
d
o
p
en
s
o
u
r
ce
s
o
f
t
w
ar
e.
3)
Dep
en
d
en
cies
So
f
t
w
ar
e:
a)
P
ip
:
A
llo
w
s
t
h
e
in
s
tallatio
n
o
f
P
y
t
h
o
n
m
o
d
u
les ea
s
il
y
,
r
ed
u
c
i
n
g
ti
m
e
w
a
s
te
an
d
co
m
p
le
x
it
y
.
b)
Git:
A
v
er
s
io
n
co
n
tr
o
l so
f
t
w
ar
e
th
at
allo
w
s
ac
ce
s
s
to
Git H
u
b
an
d
d
o
w
n
lo
ad
s
f
iles
.
c)
R
P
i
-
GP
I
O:
So
f
t
w
ar
e
t
h
at
allo
w
s
th
e
P
i to
in
ter
f
ac
e
w
it
h
th
e
GP
I
O
p
o
r
ts
.
d)
P
y
t
h
o
n
-
s
m
b
u
s
:
L
et
P
y
t
h
o
n
u
s
e
th
e
P
i'
s
I
2
C
i
n
ter
f
ac
es
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.
10
,
No
.
1
,
A
p
r
il 2
0
1
8
:
43
–
49
46
5.
I
M
P
L
E
M
E
NT
AT
I
O
N
1)
C
o
n
f
i
g
u
r
i
n
g
t
h
e
R
a
s
p
b
er
r
y
P
i:
T
h
e
R
asp
b
er
r
y
P
i
co
m
e
s
p
r
elo
ad
ed
w
it
h
an
i
m
a
g
e
o
f
m
a
n
y
L
i
n
u
x
-
b
ased
o
p
er
atin
g
s
y
s
te
m
s
.
R
asp
b
ian
i
s
u
s
e
d
i
n
th
i
s
p
r
o
j
ec
t
b
ec
au
s
e
it
is
o
p
ti
m
ized
f
o
r
th
e
R
a
s
p
b
er
r
y
P
i
an
d
it
b
o
th
lig
h
t
an
d
p
o
w
er
f
u
l
.
Af
ter
in
s
tallatio
n
w
a
s
co
m
p
lete,
A
p
t
-
Get
w
a
s
u
s
ed
to
in
s
tall
a
s
w
ell
a
s
u
p
d
ate
m
o
s
t
o
f
t
h
e
r
eq
u
ir
ed
p
r
o
g
r
am
s
a
n
d
t
h
eir
d
ep
en
d
en
cies.
T
h
en
,
it
f
i
n
i
s
h
ed
o
f
f
b
y
u
s
i
n
g
Git
to
d
o
w
n
l
o
ad
th
e
n
ee
d
ed
P
y
t
h
o
n
co
d
e
f
r
o
m
Gi
tHu
b
.
2)
Ass
e
m
b
li
n
g
t
h
e
Har
d
w
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s
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A
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d
T
-
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o
b
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e
as
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m
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to
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d
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o
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d
.
A
u
t
h
o
r
s
h
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e
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o
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s
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r
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lin
e
o
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ch
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k
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th
e
Data
S
h
ee
ts
p
r
o
v
id
ed
b
y
th
e
m
a
n
u
f
ac
t
u
r
er
.
I
n
Fig
u
r
e
1
,
th
e
R
asp
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n
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ted
to
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it.
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f
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ale
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m
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t
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et
th
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o
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e
n
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o
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.
Fig
u
r
e1
.
Ass
e
m
b
lin
g
Har
d
w
ar
e
3)
A
l
g
o
r
ith
m
(
C
o
d
i
n
g
)
Ma
n
y
s
tep
s
w
er
e
d
o
n
e
to
f
i
n
is
h
t
h
e
c
o
d
i
n
g
w
ill
b
e
e
x
p
lain
ed
th
o
r
o
u
g
h
l
y
.
A
ls
o
,
i
t
w
i
ll
b
e
s
h
o
w
n
clea
r
l
y
in
F
ig
u
r
e
2
.
a)
Settin
g
s
an
d
p
r
ep
ar
atio
n
:
T
h
e
p
r
o
g
r
a
m
b
eg
in
s
w
it
h
o
b
ject
in
itializer
t
h
at
is
u
s
ed
as
a
b
lu
ep
r
in
t
f
o
r
o
b
j
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ts
;
th
en
i
t
p
r
ep
ar
es
th
e
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o
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n
d
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g
f
u
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d
g
at
h
er
s
b
asic
s
etti
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g
s
.
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h
e
p
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g
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t
h
e
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ch
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k
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th
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ir
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y
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o
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n
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ig
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r
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ile
(
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g
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,
i
f
it
w
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s
u
n
ab
le,
th
e
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g
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m
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la
y
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er
r
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en
d
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,
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h
e
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a
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ic
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g
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.
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t
h
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o
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it
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d
e
f
in
ed
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n
e
w
f
u
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ctio
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th
a
t sen
d
s
e
m
ai
ls
; t
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s
f
u
n
c
tio
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e
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it
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r
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il
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k
th
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A
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ed
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th
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etti
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ar
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r
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w
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e
n
d
d
is
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la
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n
g
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r
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r
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ee
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r
s
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e
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led
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h
eir
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etti
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ter
t
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at,
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h
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ld
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h
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d
r
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ies th
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m
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o
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th
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lo
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p
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s
s
h
o
w
n
i
n
F
i
g
u
r
e
2
.
b)
Data
Gath
er
i
n
g
:
T
h
e
p
r
o
g
r
a
m
w
o
r
k
s
i
n
s
id
e
an
in
f
in
ite
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o
p
th
at
b
r
ea
k
s
o
n
l
y
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r
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u
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h
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ter
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t
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tar
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t
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n
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e
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r
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d
wr
ites
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o
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ts
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,
i
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m
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ar
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a
n
d
s
en
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a
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e
m
ail
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s
i
n
g
th
e
f
u
n
c
tio
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i
f
t
h
e
r
ea
d
in
g
s
ar
e
to
o
h
ig
h
o
r
to
o
lo
w
.
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all
y
,
it
ap
p
en
d
s
t
h
e
d
ata
to
d
is
p
la
y
o
n
t
h
e
s
cr
ee
n
later
.
T
h
is
is
r
ep
ea
ted
f
o
r
all
th
e
s
en
s
o
r
s
an
d
o
n
ce
all
th
at
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s
d
o
n
e
th
e
d
ata
is
d
is
p
la
y
ed
o
n
t
h
e
s
cr
ee
n
.
c)
Sav
i
n
g
an
d
en
d
i
n
g
:
On
ce
th
e
p
r
o
g
r
a
m
d
etec
t
s
a
k
e
y
b
o
ar
d
in
ter
r
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p
t
it
w
i
ll
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tar
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wr
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m
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la
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d
th
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m
in
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m
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h
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ex
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ar
e
s
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ates
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
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J
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lec
E
n
g
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o
m
p
Sci
I
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N:
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mp
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lity..
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49
RE
F
E
R
E
NC
ES
[1
]
Ku
lk
a
rn
i,
G
.
H.,
a
n
d
P
.
G
.
W
a
i
n
g
a
n
k
a
r.
"
F
u
z
z
y
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g
ic
b
a
se
d
traf
f
ic
li
g
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t
c
o
n
tr
o
ll
e
r.
"
In
d
u
str
ial
a
n
d
In
f
o
rm
a
ti
o
n
S
y
st
e
m
s,
2
0
0
7
.
ICIIS
2
0
0
7
.
In
ter
n
a
ti
o
n
a
l
C
o
n
fer
e
n
c
e
o
n
.
IE
EE
,
2
0
0
7
.
[2
]
A
l
k
a
n
d
a
ri,
A
.
,
A
ln
a
sh
e
e
t,
M
.
,
A
lab
d
u
l
jad
e
r,
Y.,
&
M
o
e
i
n
,
S
.
(
1
0
-
1
2
J
u
ly
2
0
1
2
).
“
W
a
ter
M
o
n
it
o
ri
n
g
S
y
ste
m
u
sin
g
W
irele
ss
S
e
n
so
r
Ne
t
w
o
rk
(
W
S
N):
Ca
se
S
tu
d
y
o
f
Ku
wa
it
Be
a
c
h
e
s.”
P
a
p
e
r
p
re
se
n
ted
a
t
Dig
it
a
l
In
f
o
rm
a
ti
o
n
P
r
o
c
e
ss
in
g
a
n
d
C
o
m
m
u
n
ica
ti
o
n
s
(ICDIP
C),
2
0
1
2
S
e
c
o
n
d
In
te
rn
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
.
Kl
a
ip
e
d
a
Cit
y
.
DO
I
1
0
.
1
1
0
9
/ICDI
P
C
.
2
0
1
2
.
6
2
5
7
2
7
0
.
(
p
p
.
1
0
-
1
5
).
[3
]
Hu
ss
e
in
,
M
.
(2
0
1
2
,
3
-
5
J
u
ly
2
0
1
2
).
“
De
sig
n
a
n
d
im
p
lem
e
n
tatio
n
o
f
a
c
o
st
e
ff
e
c
ti
v
e
g
a
s
p
o
ll
u
ti
o
n
d
e
tec
ti
o
n
sy
ste
m
.
”
P
a
p
e
r
p
re
se
n
ted
i
n
Co
m
p
u
ter
a
n
d
Co
m
m
u
n
ica
ti
o
n
En
g
i
n
e
e
rin
g
(ICCCE),
2
0
1
2
I
n
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
.
Ku
a
l
a
L
u
mp
u
r
.
DO
I
1
0
.
1
1
0
9
/ICCCE
.
2
0
1
2
.
6
2
7
1
1
4
2
.
(
p
p
.
7
-
1
2
).
[4
]
A
riz
a
g
a
,
J.,
Ca
ll
e
ja,
J.,
He
rn
a
n
d
e
z
,
R.
,
&
Be
n
it
e
z
,
A
.
(2
0
1
2
,
2
7
-
2
9
F
e
b
.
2
0
1
2
).
“
A
u
to
m
a
ti
c
Co
n
tr
o
l
f
o
r
L
a
b
o
ra
to
ry
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terili
z
a
ti
o
n
P
r
o
c
e
ss
b
a
se
d
o
n
A
r
d
u
i
n
o
Ha
rd
w
a
re
”
.
P
a
p
e
r
p
re
se
n
ted
in
El
e
c
tri
c
a
l
Co
m
m
u
n
ica
ti
o
n
s
a
n
d
Co
m
p
u
ters
(CON
IEL
ECOM
P
),
2
0
1
2
2
2
n
d
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
.
Ch
o
l
u
la
,
Pu
e
b
la
.
DO
I
1
0
.
1
1
0
9
/CONIEL
ECOM
P
.
2
0
1
2
.
6
1
8
9
8
9
5
.
(p
p
.
1
3
0
-
1
3
3
).
[5
]
S
a
y
a
n
tan
i,
B.
,
S
ri
d
e
v
i,
S
.
,
&
P
it
c
h
iah
R
.
(2
0
1
2
,
1
8
-
2
1
De
c
.
2
0
1
2
).
“
In
d
o
o
r
A
ir
Qu
a
li
ty
M
o
n
it
o
rin
g
u
sin
g
W
irele
ss
S
e
n
so
r
Ne
tw
o
rk
.
”
P
a
p
e
r
p
re
se
n
ted
a
t
S
e
n
sin
g
T
e
c
h
n
o
l
o
g
y
(IC
S
T
),
2
0
1
2
S
ixt
h
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
.
Ko
lka
ta
.
IS
S
N 2
1
5
6
-
8
0
6
5
.
DO
I
1
0
.
1
1
0
9
/ICS
e
n
sT
.
2
0
1
2
.
6
4
6
1
7
1
3
.
(
p
p
.
4
2
2
-
4
2
7
).
[6
]
P
re
e
th
ich
a
n
d
ra
,
D.
(
6
-
9
M
a
y
2
0
1
3
).
“
De
sig
n
o
f
a
S
m
a
rt
In
d
o
o
r
A
ir
Qu
a
li
ty
M
o
n
it
o
ri
n
g
W
irele
ss
S
e
n
so
r
Ne
tw
o
rk
f
o
r
A
ss
isted
L
i
v
in
g
.
”
P
a
p
e
r
p
re
se
n
ted
a
t
In
str
u
m
e
n
tatio
n
a
n
d
M
e
a
su
re
m
e
n
t
T
e
c
h
n
o
lo
g
y
Co
n
f
e
r
e
n
c
e
(I2
M
T
C),
2
0
1
3
IEE
E
In
ter
n
a
ti
o
n
a
l.
M
i
n
n
e
a
p
o
li
s
,
M
N.
IS
S
N
1
0
9
1
-
5
2
8
1
.
DO
I
1
0
.
1
1
0
9
/I2
M
T
C.
2
0
1
3
.
6
5
5
5
6
2
4
.
(
p
p
.
1
3
0
6
–
1
3
1
0
).
[7
]
F
e
rd
o
u
sh
,
S
h
e
ik
h
,
a
n
d
X
i
n
ro
n
g
L
i.
"
W
irele
ss
S
e
n
so
r
Ne
t
w
o
rk
S
y
st
e
m
De
sig
n
Us
in
g
Ra
sp
b
e
rr
y
P
i
a
n
d
A
rd
u
i
n
o
f
o
r
En
v
iro
n
m
e
n
tal
M
o
n
i
to
ri
n
g
A
p
p
li
c
a
ti
o
n
s."
Pro
c
e
d
ia
Co
mp
u
ter
S
c
ien
c
e
3
4
(2
0
1
4
),
1
0
3
-
1
1
0
.
d
o
i:
1
0
.
1
0
1
6
/j
.
p
ro
c
s.2
0
1
4
.
0
7
.
0
5
9
.
[8
]
S
o
n
a
li
,
D.,
V
e
n
k
a
tas
u
b
ra
m
a
n
ian
,
K.
A
(2
0
1
6
).
"
Ra
sp
b
e
rry
-
P
I
b
a
se
d
IOT
s
y
ste
m
f
o
r
m
e
a
su
rin
g
th
e
e
n
v
iro
n
m
e
n
tal
p
a
ra
m
e
ters
to
m
o
n
it
o
r
t
h
e
p
o
ll
u
ti
o
n
lev
e
l
u
sin
g
IBM
Blu
e
m
ix
,
"
Pa
k
ista
n
J
o
u
rn
a
l
o
f
Bi
o
tec
h
n
o
l
o
g
y
,
1
3
,
p
p
.
231
-
2
3
5
.
[9
]
Ba
las
u
b
ra
m
a
n
iy
a
n
,
C.
,
M
a
n
iv
a
n
n
a
n
,
D.
(
2
0
1
6
).
“
I
o
T
e
n
a
b
led
A
ir
Qu
a
li
t
y
M
o
n
it
o
r
i
n
g
S
y
ste
m
(A
QMS
)
u
sin
g
Ra
sp
b
e
rry
P
i.
”
In
d
ian
J
o
u
r
n
a
l
o
f
S
c
ien
c
e
a
n
d
T
e
c
h
n
o
lo
g
y
,
9
(3
9
),
a
rt.
n
o
.
9
0
4
1
4
.
Ja
d
h
a
v
,
G
a
u
ra
v
,
K
u
n
a
l
Ja
d
h
a
v
,
a
n
d
Ka
v
it
a
Na
d
la
m
a
n
i.
"
En
v
iro
n
m
e
n
t
M
o
n
it
o
ri
n
g
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y
ste
m
u
sin
g
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sp
b
e
rry
-
P
i.
"
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ter
n
a
ti
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l
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e
a
rc
h
J
o
u
rn
a
l
o
f
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g
i
n
e
e
rin
g
a
n
d
T
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c
h
n
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lo
g
y
(
IRJ
ET
)
3
,
n
o
.
4
(A
p
ril
2
0
1
6
).
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0
]
Ja
d
h
a
v
,
G
a
u
ra
v
,
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n
a
l
Ja
d
h
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v
,
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n
d
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it
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Na
d
lam
a
n
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v
iro
n
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t
M
o
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it
o
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ste
m
u
sin
g
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sp
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P
i.
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ter
n
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t
io
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l
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o
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g
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n
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h
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g
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(
IRJET
)
3
,
n
o
.
4
(A
p
ril
2
0
1
6
).
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1
]
Ro
h
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n
i
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h
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F
.
,
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o
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A
.
A
h
m
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d
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h
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.
Da
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P
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f
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st
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m
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strial
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n
v
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m
e
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t.
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ter
n
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l
J
o
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n
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l
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f
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e
c
trica
l
a
n
d
Co
mp
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ter
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n
g
in
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e
rin
g
(
IJ
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)
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,
n
o
.
2
(A
p
ril
2
0
1
7
),
1
0
5
1
.
d
o
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1
0
.
1
1
5
9
1
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jec
e
.
v
7
i2
.
p
p
1
0
5
1
-
1
0
5
9
.
[1
2
]
S
u
sa
n
to
,
Dw
i,
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d
a
n
g
B.
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e
m
in
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r,
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ru
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iy
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n
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n
to
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.
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p
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tatio
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e
a
th
e
r
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it
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in
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y
ste
m
f
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r
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ricu
lt
u
re
.
"
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d
o
n
e
sia
n
J
o
u
rn
a
l
o
f
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e
c
trica
l
En
g
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mp
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ter
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ien
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e
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o
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2
0
1
7
)
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6
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.
d
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5
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s.v
6
.
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.
p
p
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-
6
8
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.
[1
3
]
M
e
k
k
i,
M
a
r
w
a
,
a
n
d
Os
m
a
n
A
b
d
a
ll
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h
.
"
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v
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lo
p
m
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t
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f
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irele
ss
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e
n
so
rs
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tw
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rk
f
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r
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re
e
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h
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se
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it
o
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in
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a
n
d
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n
tro
l.
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d
o
n
e
sia
n
J
o
u
rn
a
l
o
f
El
e
c
trica
l
En
g
i
n
e
e
rin
g
a
n
d
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fo
rm
a
t
ics
(
IJ
EE
I)
5
,
n
o
.
3
(S
e
p
tem
b
e
r
2
0
1
7
)
,
270
-
2
7
4
.
[1
4
]
A
b
d
A
ll
a
h
,
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m
a
n
,
M
o
h
a
m
m
e
d
A
b
d
a
ll
a
,
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u
li
m
a
n
A
b
d
a
ll
a
,
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in
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b
ik
e
r,
a
n
d
A
laa
Aw
a
d
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ll
a
h
.
"
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iv
e
rsa
l
Da
ta
L
o
g
g
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r
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y
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m
f
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r
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v
iro
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m
e
n
tal
M
o
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it
o
r
in
g
A
p
p
li
c
a
ti
o
n
s."
In
d
o
n
e
sia
n
J
o
u
rn
a
l
o
f
El
e
c
trica
l
E
n
g
i
n
e
e
rin
g
a
n
d
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fo
rm
a
t
ics
(
IJ
EE
I)
5,
n
o
.
2
(Ju
n
e
2
0
1
7
)
,
1
3
1
-
1
3
6
.
[1
5
]
Ba
h
a
ru
n
,
A
.
N.,
N.
A
.
M
u
ra
d
,
a
n
d
N.
N
.
M
a
li
k
.
"
Ha
rm
f
u
l
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a
se
s
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ro
f
il
in
g
in
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e
ru
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e
n
o
ra
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u
n
n
e
l
u
sin
g
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ICK
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e
n
so
r.
"
T
EL
KOM
NIKA
(
T
e
lec
o
mm
u
n
ica
ti
o
n
Co
mp
u
ti
n
g
El
e
c
tro
n
ics
a
n
d
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n
tro
l)
1
5
,
n
o
.
2
(J
u
n
e
2
0
1
7
),
8
8
8
-
8
9
4
.
[1
6
]
M
o
n
ta
n
a
ro
,
T
e
o
d
o
r
o
,
F
u
lv
io
C
o
rn
o
,
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rm
e
lo
M
ig
li
o
re
,
a
n
d
P
in
o
Ca
stro
g
io
v
a
n
n
i.
"
S
m
a
rtBi
k
e
:
a
n
Io
T
Cro
w
d
S
e
n
sin
g
P
latf
o
rm
f
o
r
M
o
n
i
to
ri
n
g
Cit
y
A
ir
P
o
ll
u
ti
o
n
.
"
I
n
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
E
lec
trica
l
a
n
d
Co
m
p
u
ter
En
g
i
n
e
e
rin
g
(
IJ
ECE
)
7
,
n
o
.
6
(De
c
e
m
b
e
r
2
0
1
7
),
3
6
0
2
.
d
o
i:
1
0
.
1
1
5
9
1
/i
jec
e
.
v
7
i6
.
p
p
3
6
0
2
-
3
6
1
2
.
[1
7
]
M
it
c
h
e
ll
,
G
.
.
“
T
h
e
Ra
sp
b
e
rry
P
i
s
in
g
le
-
b
o
a
rd
c
o
m
p
u
ter
w
il
l
re
v
o
lu
t
io
n
ize
c
o
m
p
u
ter
sc
ien
c
e
tea
c
h
in
g
.
”
En
g
i
n
e
e
rin
g
&
T
e
c
h
n
o
lo
g
y
.
I
S
S
N
1
7
5
0
-
9
6
3
7
.
V
o
l
.
7
,
Iss
u
e
-
3
.
(A
p
ril
2
0
1
2
),
p
.
2
6
.
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