T
E
L
KO
M
N
I
KA
T
e
lec
om
m
u
n
icat
ion
,
Com
p
u
t
i
n
g,
E
lec
t
r
on
ics
an
d
Cont
r
ol
Vol.
1
8
,
No.
3
,
J
une
2020
,
pp.
1538
~
1545
I
S
S
N:
1693
-
6930,
a
c
c
r
e
dit
e
d
F
ir
s
t
G
r
a
de
by
Ke
me
nr
is
tekdikti
,
De
c
r
e
e
No:
21/E
/KP
T
/2018
DO
I
:
10.
12928/
T
E
L
KO
M
NI
KA
.
v1
8
i
3
.
14850
1538
Jou
r
n
al
h
omepage
:
ht
tp:
//
jour
nal.
uad
.
ac
.
id/
index
.
php/T
E
L
K
OM
N
I
K
A
IoT
-
b
ase
d
g
u
p
p
y f
is
h
f
ar
m
i
n
g
m
on
itor
i
n
g
an
d
c
on
t
r
ol
li
n
g syste
m
P
e
r
iyad
i,
Gi
t
a
I
n
d
ah
Hap
s
ar
i,
Z
ah
ir
Wak
i
d
,
S
o
b
r
an
M
u
d
op
ar
T
el
k
o
m
U
n
i
v
ers
i
t
y
/
Sc
h
o
o
l
o
f
A
p
p
l
i
ed
Sc
i
en
ce
,
In
d
o
n
es
i
a
Ar
t
icle
I
n
f
o
AB
S
T
RA
CT
A
r
ti
c
le
h
is
tor
y
:
R
e
c
e
ived
S
e
p
3
,
2019
R
e
vis
e
d
J
a
n
29
,
2020
Ac
c
e
pted
F
e
b
28
,
2020
N
o
w
ad
a
y
s
,
mo
n
i
t
o
ri
n
g
o
f
g
u
p
p
y
fi
s
h
farm
i
n
g
i
s
s
t
i
l
l
d
o
n
e
man
u
al
l
y
.
A
mo
n
i
t
o
ri
n
g
a
n
d
c
o
n
t
ro
l
s
y
s
t
em
i
s
n
eed
e
d
t
o
mak
e
i
t
eas
i
er
fo
r
g
u
p
p
y
fi
s
h
farmers
.
T
h
i
s
s
y
s
t
em
c
o
n
s
i
s
t
s
o
f
a
s
en
s
o
r
mo
d
u
l
e
a
n
d
mo
n
i
t
o
r
i
n
g
mo
d
u
l
e.
Sen
s
o
r
mo
d
u
l
e
d
e
t
ect
s
t
h
e
v
al
u
e
o
f
p
H
a
n
d
s
a
l
i
n
i
t
y
o
f
w
at
er
an
d
s
e
n
d
i
t
t
o
t
h
e
m
o
n
i
t
o
ri
n
g
m
o
d
u
l
e.
Mo
n
i
t
o
r
i
n
g
i
s
u
s
ed
a
s
a
w
e
b
-
b
a
s
ed
s
y
s
t
em
u
s
i
n
g
Io
T
t
ech
n
o
l
o
g
y
.
T
h
i
s
w
e
b
-
b
a
s
ed
s
y
s
t
em
s
er
v
es
t
o
m
o
n
i
t
o
r
an
d
co
n
t
ro
l
t
h
e
p
H
v
a
l
u
e
an
d
o
n
l
y
mo
n
i
t
o
r
t
h
e
s
al
i
n
i
t
y
v
a
l
u
e.
T
h
e
w
o
r
k
i
n
g
s
o
f
t
h
e
mo
n
i
t
o
r
i
n
g
an
d
co
n
t
ro
l
s
y
s
t
em
s
e
n
d
d
a
t
a
o
n
p
H
a
n
d
s
al
i
n
i
t
y
s
e
n
t
b
y
t
h
e
s
en
s
o
r
an
d
t
h
en
s
t
o
re
d
an
d
i
n
d
a
t
ab
a
s
e
h
o
s
t
i
n
g
.
D
at
a
o
n
t
h
e
d
at
a
b
as
e
w
i
l
l
b
e
d
i
s
p
l
a
y
ed
o
n
t
h
e
w
e
b
s
i
t
e
u
s
i
n
g
w
i
rel
e
s
s
med
i
a,
mak
i
n
g
i
t
eas
i
e
r
fo
r
u
s
ers
t
o
v
i
e
w
d
at
a
an
d
i
n
fo
rma
t
i
o
n
remo
t
el
y
.
Bes
i
d
e,
farmers
are
faci
l
i
t
a
t
ed
i
n
k
n
o
w
i
n
g
t
h
e
v
al
u
e
o
f
p
H
an
d
s
a
l
t
c
o
n
t
e
n
t
d
i
s
s
o
l
v
e
d
i
n
w
a
t
e
r.
Fo
r
t
h
e
v
al
u
e
o
f
a
d
an
g
er
o
u
s
s
a
l
t
c
o
n
t
en
t
w
o
r
t
h
l
es
s
t
h
a
n
1
6
0
a
n
d
mo
re
t
h
a
n
2
1
0
,
i
f
fo
r
a
p
H
o
f
l
es
s
t
h
an
6
.
5
an
d
m
o
re
t
h
a
n
7
.
5
.
Farmers
are
al
s
o
fac
i
l
i
t
a
t
ed
t
o
co
n
t
r
o
l
p
H
w
i
t
h
s
er
v
o
m
o
t
o
rs
t
h
r
o
u
g
h
t
h
e
w
eb
s
i
t
e,
s
o
farmers
c
an
p
re
v
e
n
t
i
f
t
h
e
p
H
co
n
t
en
t
d
i
s
s
o
l
v
ed
i
n
w
a
t
er
i
s
d
an
g
ero
u
s
f
o
r
g
u
p
p
y
fi
s
h
.
K
e
y
w
o
r
d
s
:
Guppy
f
is
h
f
a
r
mi
ng
I
oT
pH
wa
ter
S
a
li
nit
y
Th
i
s
i
s
a
n
o
p
en
a
c
ces
s
a
r
t
i
c
l
e
u
n
d
e
r
t
h
e
CC
B
Y
-
SA
l
i
ce
n
s
e
.
C
or
r
e
s
pon
din
g
A
u
th
or
:
P
e
r
iyadi,
T
e
lkom
Unive
r
s
it
y/S
c
hool
of
Appl
ied
S
c
ienc
e
,
T
e
lec
omuni
c
a
ti
on
s
tr
e
e
t,
I
ndone
s
ia
.
E
mail:
pe
r
iyadi@tas
s
.
telkomuni
ve
r
s
it
y.
a
c
.
id
1.
I
NT
RODU
C
T
I
ON
F
r
e
s
hwa
ter
or
na
menta
l
f
is
h
f
a
r
mi
ng
is
in
g
r
e
a
t
de
mand
in
I
ndone
s
ia
c
ompar
e
d
to
s
e
a
wa
ter
a
qua
c
ult
ur
e
.
T
his
is
be
c
a
us
e
f
r
e
s
hwa
ter
or
na
ment
a
l
f
is
h
c
ult
ivation
is
e
a
s
ier
than
s
e
a
wa
ter
f
is
h
c
ul
ti
va
ti
on.
Or
na
menta
l
f
is
h
is
a
ls
o
ve
r
y
be
a
uti
f
ul
.
One
type
o
f
f
is
h
that
is
in
de
mand
is
guppy
.
Al
though
guppy
f
is
h
ha
ve
s
mall
s
ha
pe
,
it
ha
s
the
be
a
uty
of
c
olo
r
th
r
oughout
it
s
body
a
nd
it
s
many
typ
e
s
of
guppy
f
is
h.
I
n
I
ndone
s
ia,
many
pe
ople
do
c
ult
ivation
of
guppy
f
is
h
a
s
a
bus
ines
s
.
Although
a
ppa
r
e
ntl
y
guppy
f
is
h
f
a
r
mi
ng
is
not
a
n
e
a
s
y
thi
ng.
M
a
ny
f
a
r
mer
s
of
ten
f
a
il
due
to
a
lac
k
of
c
a
r
e
in
p
r
e
pa
r
ing
guppy
f
is
h.
I
n
guppy
f
is
h
f
a
r
mi
ng,
ther
e
a
r
e
s
e
v
e
r
a
l
a
s
pe
c
ts
mus
t
be
c
ons
ider
e
d
by
f
a
r
mer
s
.
Va
r
ious
methods
c
a
r
r
ied
out
by
guppy
f
is
h
f
a
r
mer
s
li
ke
f
e
e
ding
me
thods
[
1]
a
nd
how
to
maintain
wa
ter
qua
li
ty
in
gu
ppy
f
is
h
ponds
[
2]
.
I
f
the
f
a
r
mer
s
do
not
pa
y
a
tt
e
nti
on
to
th
e
wa
ter
c
ontent
c
a
r
e
f
u
ll
y,
of
c
our
s
e
,
it
will
pr
oduc
e
guppy
f
is
h
with
low
qua
li
ty.
E
ve
n
poor
wa
ter
qua
li
ty
is
v
e
r
y
da
nge
r
ous
f
or
the
s
ur
vival
of
f
is
h
or
c
a
n
c
a
us
e
de
a
th.
W
a
ter
qua
li
ty
pa
r
a
mete
r
s
on
f
is
h
f
a
r
ms
include
leve
ls
of
nit
r
oge
n
in
the
wa
ter
,
oxyge
n
leve
ls
,
wa
ter
tempe
r
a
tur
e
[
3
]
.
pH
is
one
o
f
the
im
po
r
tant
wa
ter
pa
r
a
mete
r
s
in
de
ter
m
ini
ng
wa
ter
qua
li
ty
.
pH
va
lue
s
that
a
r
e
too
high
o
r
too
low
c
a
n
c
a
us
e
thr
e
a
ts
a
nd
a
r
e
da
n
ge
r
ous
f
or
the
s
ur
vival
of
f
is
h
li
f
e
[
4
]
.
B
a
s
e
d
on
o
ne
s
tudy
it
is
s
a
id
that
c
e
r
tain
wa
ter
c
ontent
c
a
n
p
r
oduc
e
gu
ppy
f
is
h
pr
oduc
ti
on
with
c
e
r
tain
ge
ne
s
[
5]
.
T
e
mper
a
tur
e
c
a
n
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NI
KA
T
e
lec
omm
un
C
omput
E
l
C
ontr
o
l
I
oT
-
bas
e
d
guppy
fi
s
h
far
ming
moni
tor
ing
and
c
ont
r
oll
ing
s
y
s
tem
(
P
e
r
iyadi
)
1539
a
ls
o
a
f
f
e
c
t
the
a
mount
of
guppy
f
is
h
pr
oduc
ti
on
with
the
s
e
x
of
pa
r
ti
c
ular
s
e
x
[
6]
.
S
o
me
f
a
r
mer
s
a
dd
other
ingr
e
dients
to
maintain
wa
ter
qua
li
ty
,
in
or
de
r
to
p
r
oduc
e
good
qua
li
ty
guppy
f
is
h
[
7]
.
W
a
ter
S
a
li
nit
y
c
a
n
a
ls
o
a
f
f
e
c
t
the
qua
li
ty
of
gupp
y
f
is
h
pr
oduc
e
d.
High
s
a
li
nit
y
c
a
n
c
a
us
e
de
a
th
f
o
r
guppy
f
is
h.
One
s
tudy
s
a
id
guppy
f
is
h
c
a
n
li
ve
up
to
30
ppm
s
a
li
nit
y
but
a
r
e
a
c
c
ompanie
d
by
a
bio
a
c
ous
ti
c
s
ound
-
44
dB
a
t
40
-
50
s
e
c
ond
s
of
ti
me
r
a
nge
[
8
]
.
W
a
ter
tempe
r
a
tur
e
is
a
ls
o
a
n
im
por
tant
f
a
c
tor
to
m
a
int
a
in
the
q
ua
l
it
y
o
f
gu
pp
y
f
is
h
g
r
ow
th
.
P
a
l
iw
a
l
s
u
gg
e
s
ts
t
ha
t
f
i
s
h
g
r
o
wt
h
i
nc
r
e
a
s
e
s
wi
th
inc
r
e
a
s
in
g
w
a
t
e
r
te
mpe
r
a
tu
r
e
[
9
]
.
T
a
r
a
ng
kumar
s
ha
h
in
his
r
e
s
e
a
r
c
h
s
tate
d
that
wa
te
r
tempe
r
a
tu
r
e
that
is
good
f
or
guppy
f
is
h
g
r
owth
is
28
o
C
to
30
o
C
[
10]
.
T
e
mper
a
tur
e
wa
ter
a
ls
o
a
c
c
e
ler
a
tes
the
pr
oc
e
s
s
of
f
is
h
meta
boli
s
m
a
nd
incr
e
a
s
e
s
the
a
p
pe
ti
te
of
Guppy
F
is
h
[
11]
.
S
e
ve
r
a
l
s
tudi
e
s
ha
ve
be
e
n
de
ve
loped
in
f
is
h
f
a
r
mi
ng
us
ing
va
r
ious
types
of
mea
s
ur
e
ment
va
r
iable
s
a
nd
va
r
ious
methods
a
nd
tec
hnologi
e
s
.
S
e
ve
r
a
l
s
tudi
e
s
pr
opos
e
d
a
n
a
utom
a
ti
c
s
ys
tem
f
or
the
f
is
h
f
e
e
de
r
.
One
of
them
wa
s
s
tate
d
by
Hida
ya
tul
Nu
r
B
int
i
Ha
s
im
,
e
t
a
l,
who
de
ve
loped
a
s
ys
tem
of
f
is
h
f
e
e
ding
thr
ough
we
b
a
ppli
c
a
ti
ons
us
ing
R
a
s
pi
[
12]
.
Anothe
r
r
e
s
e
a
r
c
he
r
a
l
s
o
s
ugge
s
ted
a
f
is
h
f
e
e
ding
s
ys
tem
us
ing
the
I
oT
method
[
13]
.
Othe
r
r
e
s
e
a
r
c
he
r
s
pr
opos
e
d
a
utom
a
ti
c
f
is
h
f
e
e
de
r
s
that
c
ombi
ne
mec
ha
nica
l
a
nd
e
lec
tr
onic
s
ys
tems
us
ing
P
L
C
(
P
r
ogr
a
mm
a
ble
L
ogic
C
ir
c
uit
)
,
GSM
(
Globa
l
S
ys
tem
f
or
M
obil
e
)
a
nd
mot
or
s
[
14]
.
T
he
tec
hnology
to
s
uppor
t
f
is
h
c
ult
ivation
wa
s
n
ot
only
in
f
e
e
ding
f
is
h,
bu
t
they
we
r
e
pr
opos
e
d
a
s
ys
tem
to
moni
tor
the
qua
li
ty
o
f
wa
ter
.
I
t
is
im
por
tant
to
maintain
the
wa
ter
qua
li
ty
of
f
is
h
c
ul
ti
va
ti
on.
T
he
a
qua
c
ult
ur
e
will
inf
luenc
e
the
qua
li
ty
o
f
f
is
h
.
T
he
low
qua
li
ty
of
wa
ter
will
c
a
us
e
f
is
h
dis
e
a
s
e
a
nd
it
will
im
pa
c
t
dir
e
c
tl
y
to
f
is
h
gr
owth
a
nd
ha
r
ve
s
ti
ng
yiel
d
[
15
,
16
]
.
M
onit
or
ing
wa
ter
qua
li
ty
us
ing
tec
hnol
ogy
wa
s
pr
opos
e
d
by
Da
udi
S
.
S
i
mbeye
,
na
mely
by
making
wa
ter
qua
li
ty
moni
to
r
ing
a
nd
c
ontr
ol
s
ys
tems
us
ing
wir
e
les
s
s
e
ns
or
ne
twor
k
tec
hnology
[
17]
.
M
onit
or
ing
s
ys
tems
f
or
pH
leve
ls
a
nd
tempe
r
a
tur
e
c
ontr
ol
in
f
is
h
f
a
r
mi
ng
us
ing
I
oT
we
r
e
pu
t
f
o
r
wa
r
d
by
s
e
ve
r
a
l
r
e
s
e
a
r
c
he
r
s
.
One
of
them
is
Al
Qa
li
t
whic
h
make
s
a
tr
ibal
c
ontr
o
l
s
ys
tem
a
nd
pH
f
or
c
a
tf
is
h
[
18
]
.
E
ng.
Noc
he
s
ki
c
onduc
ts
wa
ter
moni
tor
ing
including
tempe
r
a
tur
e
,
li
ght
int
e
ns
it
y
a
nd
leve
l
on
f
is
h
f
a
r
mi
ng
us
ing
I
o
T
[
19]
.
M
oc
ha
mm
a
d
Ha
nna
ts
Ha
na
f
i
I
c
hs
a
n
pr
opos
e
d
a
nother
method
to
moni
to
r
wa
ter
qua
li
ty.
T
he
y
us
e
d
f
uz
z
y
logi
c
c
ontr
o
l
ba
s
e
d
on
gr
a
phic
a
l
pr
og
r
a
mm
ing
[
20]
.
T
he
r
e
a
r
e
s
ti
ll
not
many
s
tudi
e
s
that
r
e
s
e
a
r
c
h
in
a
utom
a
ti
on
a
nd
moni
tor
ing
s
ys
tems
of
guppy
f
is
h
c
ult
ivation.
One
s
tudy
of
a
ppli
e
d
tec
hnology
on
g
uppy
f
is
h
f
a
r
mi
ng
is
the
us
e
of
the
bio
mi
metic
f
is
h
r
obot
to
inves
ti
ga
te
indi
vidual
di
f
f
e
r
e
nc
e
s
in
s
oc
ial
r
e
s
pons
e
s
in
guppies
[
21]
.
R
e
s
e
a
r
c
h
on
the
a
ppli
c
a
ti
on
of
tec
hnology
a
bout
f
a
r
mi
ng
is
mos
tl
y
done
in
a
r
o
wa
na
f
is
h
[
22
,
23
]
.
Othe
r
S
tudi
e
s
a
r
e
mo
r
e
a
bout
a
pplyi
ng
tec
hnology
f
or
r
a
is
ing
f
is
h
in
a
n
a
qua
r
ium
[
24,
25]
.
Af
ter
s
tudyi
ng
the
r
e
s
ult
s
of
s
e
ve
r
a
l
guppy
f
is
h
s
tu
dies
a
nd
tec
hnology
whic
h
a
r
e
im
pleme
nted
in
guppy
f
is
h
f
a
r
mi
ng,
in
thi
s
r
e
s
e
a
r
c
h
we
buil
t
a
s
ys
tem
that
c
a
n
moni
tor
the
pH
a
nd
s
a
li
nit
y
of
wa
ter
r
e
mo
tely
a
nd
c
ontr
ol
f
e
a
tur
e
on
li
quid
pH
ne
utr
a
li
z
ing
ba
s
e
d
on
I
oT
tec
hnology
to
maintain
pH
leve
ls
s
tabili
ty
in
wa
ter
.
2.
P
ROP
OS
E
D
S
AL
I
NI
T
Y
M
ONI
T
ORI
NG
AN
D
p
H
CONT
ROL
ON
GUP
P
Y
F
I
S
H
F
AR
M
I
NG
T
he
e
nti
r
e
block
diagr
a
m
o
f
the
s
ys
tem
is
s
hown
in
F
igur
e
1
.
T
he
s
ys
tem
c
ons
is
ts
of
two
pa
r
ts
,
T
he
a
utom
a
ti
on/contr
o
ll
e
d
modul
e
(
C
M
)
a
nd
the
moni
tor
ing
modul
e
(
M
M
)
.
T
he
C
M
is
a
pa
r
t
that
c
ons
is
ts
of
pH
a
nd
s
a
li
nit
y
in
a
wa
ter
s
e
ns
or
.
T
his
modul
e
us
e
s
Ar
du
ino
to
p
r
oc
e
s
s
input
pa
r
a
mete
r
s
obtaine
d
f
r
om
s
e
ns
or
s
.
T
he
s
e
r
vo
mot
or
in
thi
s
modul
e
s
e
r
ve
s
to
ope
n
the
va
lve
of
the
pH
-
r
is
ing
li
quid
a
nd
Ph
-
lowe
r
ing
li
qui
d.
W
hil
e
the
buz
z
e
r
is
us
e
d
to
pr
ovide
a
wa
r
ning
ind
ica
tor
i
f
the
pH
o
r
tempe
r
a
tur
e
of
the
wa
ter
is
a
bnor
mal
.
A
ll
va
lues
on
the
s
e
ns
or
a
r
e
pr
oc
e
s
s
e
d
on
the
mi
c
r
oc
ontr
oll
e
r
a
nd
dis
playe
d
on
the
L
C
D.
All
s
tate
pa
r
a
mete
r
s
de
tec
ted
on
the
s
e
ns
or
a
r
e
then
s
e
nt
by
A
r
duino
to
the
mon
it
or
i
ng
modul
e
.
T
he
M
M
is
a
pa
r
t
that
ha
ndles
r
e
mot
e
ly
moni
to
r
ing
us
ing
a
we
b
a
ppli
c
a
ti
on.
I
n
the
moni
tor
ing
modul
e
,
R
a
s
pi
is
us
e
d
a
s
a
pr
oc
e
s
s
or
a
nd
s
e
nds
da
ta
to
da
ta
ba
s
e
c
loud
s
tor
a
ge
.
T
he
we
b
a
ppli
c
a
ti
on
is
made
t
o
dis
play
a
ll
da
ta
r
e
ga
r
ding
pH
a
nd
s
a
li
nit
y
.
T
he
pr
oc
e
s
s
of
c
ontr
oll
ing
the
ope
ning
of
the
pH
ne
utr
a
li
z
ing
va
lve
c
a
n
a
ls
o
be
done
thr
ough
a
we
b
a
ppli
c
a
ti
on
v
ia
the
vi
r
tual
b
utt
on.
T
he
s
ys
tem
im
p
leme
ntation
s
tar
ts
with
e
s
tablis
hing
a
c
onne
c
ti
on
be
twe
e
n
the
pH
s
e
ns
or
a
nd
Ar
du
ino.
T
he
s
e
ns
or
is
c
onne
c
ted
to
the
Ana
log
A0
pin
on
A
r
duino.
W
hil
e
the
s
a
li
nit
y
s
e
ns
or
is
c
onne
c
te
d
to
p
i
n
A1
on
Ar
duino.
T
he
s
e
r
vo
is
c
onne
c
ted
v
ia
P
W
M
2
a
nd
3
digi
tal
pins
.
W
he
r
e
a
s
the
buz
z
e
r
is
c
onne
c
ted
to
p
in
13
on
Ar
duino.
T
he
Ar
duino
is
c
onne
c
ted
d
ir
e
c
tl
y
to
the
USB
R
a
s
pi
por
t
us
ing
a
s
e
r
ial
c
a
ble
to
be
a
ble
to
c
onne
c
t
Ar
duino
with
the
R
a
s
pi
to
s
e
nd
da
ta
to
one
a
nother
.
T
he
C
M
f
low
c
ha
r
t
is
s
hown
in
F
igur
e
2.
I
nit
ia
ll
y,
the
modul
e
will
de
tec
t
the
va
lue
of
the
pH
a
nd
S
a
li
nit
y
s
e
ns
or
.
I
f
the
s
a
li
nit
y
is
mor
e
than
21
0
or
pH
va
lue
is
mor
e
then
7
.
2
then
the
buz
z
e
r
wil
l
tur
n
on.
T
he
n
s
a
li
nit
y
da
ta
a
nd
pH
va
lues
a
r
e
s
e
nt
to
the
m
onit
or
ing
modul
e
.
T
he
p
r
oc
e
s
s
c
onti
nue
d
by
r
e
c
e
ivi
ng
da
ta
f
r
om
the
moni
tor
ing
modul
e
.
I
f
the
r
e
is
a
c
ont
r
ol
s
ignal
f
r
o
m
the
moni
tor
ing
modul
e
on
the
m
otor
via
the
vir
tual
butt
on
,
the
s
ys
tem
will
c
he
c
k
whe
ther
the
pH
r
e
duc
e
s
but
ton
or
the
pH
r
a
is
ing
butt
on
is
pr
e
s
s
e
d.
T
he
butt
on
type
is
de
tec
ted
a
nd
a
c
ti
on
will
be
take
n
on
the
mot
or
to
ope
n
the
va
lve.
F
igur
e
3
s
hows
the
f
lowc
ha
r
t
o
f
the
M
M
.
I
n
the
be
ginni
ng
,
the
modul
e
will
r
e
c
e
ive
da
ta
f
r
om
the
C
M
a
nd
th
e
n
s
e
nd
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N
:
1693
-
6930
T
E
L
KO
M
NI
KA
T
e
lec
omm
un
C
omput
E
l
C
ontr
o
l
,
Vol.
1
8
,
No
.
3
,
J
une
2020:
1538
-
1545
1540
the
da
ta
to
the
c
loud
da
taba
s
e
.
I
f
butt
ons
to
r
e
duc
e
pH
in
we
b
a
ppli
c
a
ti
on
is
p
r
e
s
s
e
d
then
the
da
ta
'
1'
will
be
s
e
nt
to
the
C
M
a
nd
if
the
but
ton
to
incr
e
a
s
e
pH
is
p
r
e
s
s
e
d,
the
da
ta
s
e
nt
is
'2'.
F
igur
e
1.
S
a
li
nit
y
moni
to
r
ing
a
nd
pH
c
o
ntr
ol
on
gu
ppy
f
is
h
f
a
r
mi
ng
block
diagr
a
m
F
igur
e
2.
S
e
ns
or
modu
le
f
lowc
ha
r
t
F
igur
e
3.
M
onit
or
ing
modul
e
f
lowc
ha
r
t
S
t
a
rt
p
H
a
n
d
s
a
l
i
n
i
t
y
s
e
n
s
o
r
va
l
u
e
d
e
t
ec
t
i
o
n
S
en
d
t
o
R
a
s
p
b
er
ry
P
i
A
c
c
ep
t
D
a
t
a
f
ro
m
R
a
s
p
b
e
r
r
y
P
i
Is
D
a
t
a
V
a
l
u
e
i
s
t
u
rn
d
o
w
n
p
H
?
S
er
vo
1
A
c
t
i
ve
Is
D
a
t
a
V
a
l
u
e
i
s
t
u
rn
u
p
p
H
?
S
er
vo
2
A
c
t
i
ve
Is
S
a
l
i
n
i
t
y
V
a
l
u
e
mo
re
t
h
a
n
2
1
0
o
r
p
H
m
o
re
t
h
a
n
7
,2
B
u
z
z
er
O
N
D
i
s
p
l
a
y
S
a
l
i
n
i
t
a
s
a
n
d
p
H
va
l
u
e
t
o
L
C
D
S
ys
t
em
O
F
F
?
E
n
d
No
No
No
Y
es
Y
e
s
Y
e
s
Y
es
No
S
t
a
rt
A
c
c
ep
t
d
a
t
a
f
ro
m
a
rd
u
i
n
o
S
en
d
i
n
g
D
a
t
a
t
o
c
l
o
u
d
D
et
ec
t
i
o
n
o
f
b
u
t
t
o
n
p
H
c
o
n
t
r
o
l
T
u
rn
D
o
w
n
p
H
b
u
t
t
o
n
i
s
P
re
s
s
e
d
?
S
en
d
va
l
u
e
t
o
a
rd
u
i
n
o
T
u
rn
U
p
p
H
b
u
t
t
o
n
i
s
P
res
s
ed
?
S
en
d
va
l
u
e
t
o
a
rd
u
i
n
o
S
y
s
t
em
O
f
f
?
E
n
d
No
No
Y
es
Y
es
Y
es
No
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NI
KA
T
e
lec
omm
un
C
omput
E
l
C
ontr
o
l
I
oT
-
bas
e
d
guppy
fi
s
h
far
ming
moni
tor
ing
and
c
ont
r
oll
ing
s
y
s
tem
(
P
e
r
iyadi
)
1541
T
he
pr
oc
e
s
s
of
s
e
nding
da
ta
of
s
e
n
s
or
pH
a
nd
s
a
li
nit
y
to
R
a
s
pi
is
c
a
r
r
ied
out
us
ing
the
da
ta
pr
otocol
a
s
s
hown
in
F
igur
e
4.
F
o
r
e
xa
mpl
e
,
if
the
da
ta
is
s
e
nt
‘
S
a
li
ni
ty
Va
lue=
150
a
nd
pH_V
a
lue
is
7
.
15
then
the
s
a
li
nit
y
va
lue
a
nd
the
pH
va
lue
is
s
e
nt
to
r
a
s
p
i
us
ing
da
ta
p
r
otocol
a
s
s
hown
in
F
igu
r
e
4.
F
igu
r
e
5
s
hows
the
pr
otocol
f
or
s
e
nding
da
ta
f
r
om
R
a
s
pbe
r
r
y
P
i
to
A
r
duino.
F
or
e
xa
mpl
e
,
if
the
da
ta
s
e
nt
is
‘
U
s
e
r
_id=1,
ph=
7.
15,
s
a
li
nit
y=
150
then
the
da
ta
p
r
otocol
c
on
f
i
gur
a
ti
on
is
s
hown
in
F
igur
e
5
.
T
he
us
e
r
i
nter
f
a
c
e
o
f
the
we
b
a
ppli
c
a
ti
on
is
s
hown
in
F
igur
e
6.
T
he
a
ppli
c
a
ti
on
we
b
c
ons
is
ts
of
a
pa
ne
l
that
dis
plays
the
pH
s
e
ns
or
va
lue,
s
a
li
nit
y
va
lue,
a
nd
thei
r
c
las
s
if
ica
ti
on.
T
he
r
e
a
r
e
2
butt
ons
,
pH
UP
butt
on
a
nd
pH
Dow
n
B
utt
on.
pH
down
butt
on
is
us
e
d
to
ope
n
the
va
lve
o
f
pH
-
lowe
r
ing
li
q
uid
while
the
pH
Up
butt
on
is
us
e
d
to
ope
n
the
va
lv
e
of
pH
-
r
is
ing
li
quid.
F
igur
e
4.
Ar
duino
to
r
a
s
pi
pr
otocol
F
igur
e
5.
R
a
s
pi
to
a
r
duino
pr
otocol
F
igur
e
6.
W
e
b
a
ppli
c
a
ti
on
us
e
r
int
e
r
f
a
c
e
3.
RE
S
E
AR
CH
M
E
T
HO
D
T
he
r
e
s
e
a
r
c
h
method
is
a
wa
ter
f
a
ll
methodology.
T
he
f
ir
s
t
s
tep
is
a
na
lyzing
the
r
e
quir
e
ments
to
de
s
ign
the
s
ys
tem.
T
he
r
e
is
a
li
ter
a
tur
e
s
tudy
of
a
ll
the
knowle
dge
a
bout
guppy
f
is
h
f
a
r
mi
ng
a
nd
c
oll
e
c
t
d
a
ta
va
lue
a
bout
the
va
r
iable
that
wi
ll
us
e
in
the
s
ys
t
e
m.
I
t
is
a
ls
o
s
tudyi
ng
s
e
ve
r
a
l
tec
hnologi
e
s
that
h
a
ve
be
e
n
im
pleme
nted
by
other
r
e
s
e
a
r
c
he
r
s
on
f
is
h
f
a
r
m
i
ng
to
know
the
r
ight
method
f
o
r
de
s
igni
ng
a
ut
omation
a
nd
moni
tor
ing
s
ys
tem,
e
s
pe
c
ially
guppy
f
is
h.
L
it
e
r
a
tur
e
s
tudy
a
bout
guppy
f
is
h
is
ba
s
e
d
on
jou
r
na
l
a
nd
int
e
r
view
with
the
f
a
r
mer
.
T
he
ne
xt
s
tep
is
a
r
r
a
nging
the
s
ys
tem
r
e
quir
e
ments
a
na
lys
is
ba
s
e
d
on
li
ter
a
tur
e
s
tudi
e
s
that
ha
ve
be
e
n
c
a
r
r
ied
out
a
nd
c
onti
nue
d
by
de
ter
mi
ning
the
ne
e
ds
of
ha
r
dwa
r
e
a
nd
s
of
twa
r
e
c
o
mponents
a
nd
de
s
igni
ng
the
s
ys
tem.
I
m
pleme
ntation
p
r
oc
e
s
s
is
the
ne
xt
s
tep
whic
h
the
pr
oc
e
s
s
is
s
tar
ted
by
tes
ti
ng
of
e
a
c
h
s
e
ns
or
is
c
a
r
r
ied
out
to
de
ter
mi
ne
the
s
pe
c
if
ica
ti
ons
of
the
s
e
ns
or
.
T
he
yield
pr
oduc
e
d
will
be
s
pe
c
if
ied
a
s
a
r
e
f
e
r
e
nc
e
to
de
ter
mi
ne
the
nor
mal
s
tate
of
s
a
li
nit
y
a
nd
pH
.
E
s
pe
c
ialy
f
o
r
s
a
li
nit
y
s
e
ns
or
,
ther
e
is
n’
t
e
nough
inf
or
mation
a
bout
the
s
pe
c
if
ica
ti
on
of
the
s
e
ns
or
.
T
his
ha
s
to
be
done
to
ge
t
a
n
a
f
f
or
da
ble
s
ys
tem,
th
is
im
pleme
ntation
us
e
d
a
s
e
ns
or
that
is
quit
e
c
he
a
p.
I
t
c
a
us
e
s
we
ne
e
d
to
do
a
s
e
r
ies
of
a
c
a
li
b
r
a
ti
on
tes
t
to
pr
oduc
e
a
n
a
c
c
ur
a
te
r
e
s
ult
a
s
we
did
on
thi
s
r
e
s
e
a
r
c
h
f
or
the
s
a
li
nit
y
s
e
ns
or
.
S
o
ther
e
is
a
s
e
ve
r
a
l
tes
t
to
ge
t
inf
o
r
mation
a
bout
the
va
lue
of
s
a
li
nit
y
s
e
ns
or
c
ompar
e
d
to
s
a
l
ini
ty
va
lue
in
ppm
(
pa
r
t
pe
r
mi
ll
ion)
.
T
he
da
ta
of
s
a
li
nit
y
s
e
ns
or
va
lue
is
pr
oc
e
s
s
e
d
us
ing
int
e
r
polas
i
ne
wton
poli
nom
methode
to
ge
t
the
e
qua
ti
on
f
or
mul
a
.
T
he
f
inal
s
tep
B
y
t
e
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
D
a
t
a
S
t
o
p
B
i
t
S
t
o
p
B
i
t
E
x
a
m
p
l
e
H
e
a
d
e
r
+
S
a
l
i
n
i
t
y
V
a
l
u
e
"
S
a
l
i
n
i
t
y
V
a
l
u
e
=
"
,
1
5
0
H
e
a
d
e
r
a
n
d
P
h
V
a
l
u
e
"
p
H
_
v
a
l
u
e
=
"
,
7
.
1
5
B
y
t
e
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
D
a
t
a
S
t
o
p
B
i
t
S
t
o
p
B
i
t
S
t
o
p
B
i
t
E
x
a
m
p
l
e
H
e
a
d
e
r
+
U
s
e
r
I
d
"
U
s
e
r
_
I
d
=
"
,
1
H
e
a
d
e
r
+
p
H
V
a
l
u
e
"
p
H
=
"
,
7
.
1
5
H
e
a
d
e
r
+
S
a
l
i
n
i
t
y
V
a
l
u
e
"
S
a
l
i
n
i
t
y
=
"
,
1
5
0
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N
:
1693
-
6930
T
E
L
KO
M
NI
KA
T
e
lec
omm
un
C
omput
E
l
C
ontr
o
l
,
Vol.
1
8
,
No
.
3
,
J
une
2020:
1538
-
1545
1542
in
im
pleme
ntation
is
to
int
e
gr
a
te
a
ll
the
c
omponent
of
the
s
ys
tem.
Ne
xt
is
c
onti
nue
d
by
c
onduc
ti
ng
a
s
e
r
ies
of
tes
ts
to
know
the
pe
r
f
or
manc
e
of
the
s
ys
tem.
4.
RE
S
UL
T
S
AN
D
DI
S
CU
S
S
I
ON
T
he
tes
ti
ng
is
c
a
r
r
ied
out
in
s
e
ve
r
a
l
s
tage
s
to
f
ind
o
ut
the
pe
r
f
or
manc
e
of
the
tool
.
T
e
s
ti
ng
c
ons
is
ts
of
the
s
a
li
nit
y
s
e
ns
or
tes
t,
pH
s
e
ns
or
tes
t,
s
e
nding
d
a
ta
f
r
om
the
s
e
ns
or
modul
e
a
nd
c
ontr
ol
to
the
m
onit
or
ing
modul
e
,
int
e
gr
a
ti
on
tes
ti
ng.
3.
1.
S
ali
n
i
t
y
s
e
n
s
or
t
e
s
t
in
g
S
a
li
nit
y
s
e
ns
or
tes
ti
ng
is
c
a
r
r
ied
out
to
mea
s
ur
e
th
e
c
or
r
e
lation
of
the
s
a
li
nit
y
va
lue
in
mol
/l
it
e
r
wi
th
the
volt
a
ge
pr
oduc
e
d.
T
e
s
ts
a
r
e
c
a
r
r
ied
out
by
dis
s
olvi
ng
a
s
much
we
ight
o
f
s
a
lt
in
to
1
li
ter
of
wa
ter
.
T
he
s
a
lt
us
e
d
is
a
s
p
e
c
ial
s
a
lt
f
or
or
na
menta
l
f
is
h.
T
he
s
a
lt
i
s
s
ti
r
r
e
d
in
the
wa
ter
unti
l
it
dis
s
olves
.
T
he
s
a
li
nit
y
s
e
ns
or
is
ins
e
r
ted
int
o
the
s
olut
ion
then
the
va
lue
that
c
omes
out
o
f
the
s
e
ns
or
is
mea
s
ur
e
d.
F
r
om
the
s
e
ns
or
v
a
lue,
the
a
ve
r
a
ge
va
lue
is
c
a
l
c
ulate
d
a
nd
pr
oc
e
s
s
e
d
us
ing
Ne
wton
polynom
ial
int
e
r
polation
to
de
ter
mi
ne
the
a
na
log
va
lue
of
s
a
li
nit
y.
T
he
r
e
s
ult
of
the
e
qua
ti
on
f
r
om
the
polynom
ial
i
nter
polation
is
s
hown
in
(
1
)
.
F
r
om
th
is
e
qua
ti
on,
a
gr
a
ph
is
f
or
med
a
s
s
hown
in
F
igur
e
7.
A
good
s
a
li
nit
y
va
lue
is
1
ppm
or
e
qua
l
to
0.
001
gr
a
ms
/l
it
e
r
.
B
a
s
e
d
on
the
e
qua
ti
ons
a
nd
gr
a
phs
,
the
va
lue
of
1
ppm
o
r
0.
001
gr
a
ms
/l
it
e
r
is
r
e
pr
e
s
e
nted
by
a
n
a
na
log
va
lue
e
qua
l
to
180.
12.
T
his
va
lue
wil
l
be
us
e
d
a
s
a
no
r
mal
o
r
no
l
im
it
to
the
s
tate
of
wa
ter
s
a
li
nit
y.
(
)
=
1
7
9
.
0
9
3
7
5
+
2
3
–
1
1
7
2
,
9
2
2
+
1
0
3
5
.
4
0
2
5
(
1)
F
igur
e
7.
Gr
a
ph
of
wa
ter
s
a
li
nit
y
3.
2.
T
e
s
t
in
g
of
p
H
s
e
n
s
or
an
d
t
im
e
lengt
h
valve
op
e
n
e
d
t
o
t
h
e
vol
u
m
e
o
f
li
q
u
id
T
e
s
ti
ng
the
wa
ter
pH
s
e
ns
or
is
done
by
dis
s
olvi
ng
t
he
pH
-
lowe
r
ing
s
olut
ion
a
nd
incr
e
a
s
ing
the
pH
by
1
table
s
poon
(
15
ml
)
int
o
the
wa
ter
with
a
volu
m
e
of
300
mL
T
a
ble
1.
T
his
pH
li
quid
is
a
s
pe
c
ial
l
iqui
d
f
o
r
or
na
menta
l
f
is
h.
T
he
wa
ter
us
e
d
is
f
il
ter
e
d
wa
ter
s
p
e
c
if
ica
ll
y
f
or
guppy
f
is
h.
B
a
s
e
d
on
the
tes
t
r
e
s
ult
s
s
hown
in
T
a
ble
1,
f
o
r
a
volum
e
of
300
mL
of
wa
ter
i
f
given
15ml
of
pH
lowe
r
ing
,
the
pH
of
the
wa
ter
will
d
r
op
by
0.
96.
W
he
r
e
a
s
if
given
a
pH
r
is
ing
l
iqui
d,
the
pH
o
f
the
wa
ter
will
incr
e
a
s
e
a
s
much
a
s
1
.
52.
T
he
ne
xt
e
xpe
r
i
ment
is
to
tes
t
the
de
lay
in
ope
nin
g
the
pH
-
ne
utr
a
li
z
ing
f
lui
d
va
lve
to
the
volum
e
o
f
li
quid
c
omi
ng
out
T
a
ble
2
.
E
xpe
r
im
e
nts
a
r
e
c
a
r
r
i
e
d
out
by
ope
ning
the
va
lve
with
a
c
e
r
tain
de
lay
a
nd
m
e
a
s
ur
ing
the
volum
e
of
f
lui
d
c
omi
ng
out.
T
he
mea
s
u
r
e
ment
of
the
li
quid
that
c
omes
out
is
don
e
us
ing
a
mea
s
ur
ing
s
poon.
T
he
r
e
s
ult
s
of
thi
s
tes
t
a
r
e
us
e
d
to
de
ter
mi
ne
the
length
o
f
ti
me
de
lay
f
or
ope
nin
g
t
he
f
lui
d
va
lve,
whic
h
is
2.
9
s
e
c
onds
de
lay
f
or
onc
e
ope
ning
the
va
lve.
B
a
s
e
d
on
thi
s
r
e
s
ult
,
the
ti
me
de
lay
wil
l
be
us
e
d
to
ope
n
the
pH
li
quid
is
1
s
e
c
ond.
T
a
ble
1.
pH
s
e
ns
or
tes
t
S
ol
ut
io
n
pH
V
a
lu
e
W
a
te
r
6.94
W
a
te
r
300ml
+
15 ml
pH
dow
n
5.98
W
a
te
r
300ml
+
15ml
pH
up
8.46
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NI
KA
T
e
lec
omm
un
C
omput
E
l
C
ontr
o
l
I
oT
-
bas
e
d
guppy
fi
s
h
far
ming
moni
tor
ing
and
c
ont
r
oll
ing
s
y
s
tem
(
P
e
r
iyadi
)
1543
T
a
ble
2.
T
e
s
ti
ng
the
ti
me
length
the
va
lve
is
ope
ne
d
to
the
volum
e
of
li
quid
L
iq
ui
d pH
vol
ume
(
ml
)
T
im
e
l
e
nght
va
lv
e
ope
ne
d (
s
e
c
ond)
5
1
7.5
1.6
10
2.1
15
2.9
3.
4.
I
n
t
e
gr
at
ion
t
e
s
t
in
g
I
ntegr
a
ted
tes
ti
ng
is
done
by
in
tegr
a
ti
ng
a
ll
pa
r
ts
a
nd
r
unning
the
e
nti
r
e
s
ys
tem.
I
n
tegr
a
ted
tes
ti
ng
is
c
a
r
r
ied
out
in
va
r
ious
s
tage
s
,
na
mely:
−
T
e
s
ti
ng
the
pH
va
lue
a
nd
a
ppe
a
r
a
nc
e
on
the
we
b
a
ppli
c
a
ti
on
a
nd
it
s
c
las
s
if
ica
ti
on
−
T
e
s
ti
ng
the
va
lue
o
f
S
a
li
nit
y
a
nd
it
s
a
ppe
a
r
a
nc
e
on
the
we
b
a
ppli
c
a
ti
on
a
nd
it
s
c
las
s
if
ica
ti
on.
−
S
e
r
vo
c
ontr
ol
tes
ti
ng
in
a
s
c
e
nding
a
nd
pH
-
lowe
r
ing
li
quids
thr
ough
we
a
ppli
c
a
ti
on
T
e
s
ti
ng
the
pH
va
lue
a
nd
a
ppe
a
r
a
nc
e
on
the
we
b
a
ppli
c
a
ti
on
a
im
s
to
de
ter
mi
ne
whe
ther
the
pH
mea
s
ur
e
ment
va
lue
c
a
n
be
dis
playe
d
on
the
we
b
pr
ope
r
ly.
T
he
r
e
s
ult
s
of
d
is
playing
pH
va
lues
on
the
we
b
a
ppli
c
a
ti
on
a
r
e
s
hown
in
F
igur
e
8
.
B
a
s
e
d
on
the
tes
t
r
e
s
ult
s
it
wa
s
f
ound
that
the
pH
va
lue
mea
s
ur
e
d
in
the
s
e
ns
or
modul
e
a
nd
c
ont
r
ol
wa
s
s
e
nt
a
nd
dis
playe
d
pr
ope
r
ly
on
the
we
b
a
ppli
c
a
ti
on
.
S
im
il
a
r
ly,
the
c
las
s
if
ica
ti
on
is
in
a
c
c
or
da
n
c
e
with
wha
t
ha
s
b
e
e
n
de
ter
mi
ne
d.
T
he
tes
t
wa
s
c
a
r
r
ied
out
thr
e
e
ti
mes
,
whic
h
c
a
n
be
s
e
e
n
in
T
a
ble
3.
T
he
da
ta
e
nter
e
d
in
th
e
da
taba
s
e
dif
f
e
r
s
f
r
om
the
da
te
s
o
that
f
a
r
mer
s
c
a
n
s
e
e
the
c
ha
nge
s
by
dis
playing
gr
a
phs
a
s
s
hown
in
F
igur
e
8.
S
a
li
nit
y
va
lues
a
nd
pH
va
lues
will
be
dis
playe
d
a
s
in
T
a
ble
3,
whe
r
e
only
the
las
t
e
nter
the
da
taba
s
e
di
s
playe
d.
T
e
s
ti
ng
the
vir
tual
butt
on
pH
down
a
nd
pH
up
is
done
to
f
ind
out
whe
ther
the
butt
on
f
unc
ti
on
c
a
n
move
or
c
ontr
ol
the
s
e
r
vo
a
t
tac
he
d
to
the
v
a
lve
f
or
pH
-
lowe
r
ing
a
nd
pH
-
R
i
s
ing
f
lui
d.
T
e
s
ti
ng
is
done
by
pr
e
s
s
ing
the
vir
tual
butt
on
a
nd
obs
e
r
ving
wha
t
ha
ppe
ns
to
the
s
e
r
vo.
T
he
tes
t
r
e
s
ult
s
c
a
n
be
s
e
e
n
in
T
a
ble
4
.
F
igur
e
8
.
Gr
a
ph
of
pH
s
e
ns
or
on
we
b
a
ppli
c
a
ti
on
T
a
ble
3.
pH
s
e
ns
or
tes
t
No
pH
va
lu
e
di
s
pl
a
ye
d on L
C
D
pH
va
lu
e
on we
b A
ppl
ic
a
ti
on
S
a
li
ni
ty
S
a
li
ni
ty
V
a
lu
e
on we
b a
ppl
ic
a
ti
on
1
5
135
2
6.8
191
3
8
223
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N
:
1693
-
6930
T
E
L
KO
M
NI
KA
T
e
lec
omm
un
C
omput
E
l
C
ontr
o
l
,
Vol.
1
8
,
No
.
3
,
J
une
2020:
1538
-
1545
1544
T
a
ble
4.
pH
s
e
ns
or
tes
t
B
ut
to
n
S
e
r
vo
E
xpl
a
na
ti
on
pH
up
S
e
r
vo 1 a
c
ti
ve
(
pH
-
L
ow
e
r
in
g L
iq
ui
d)
T
he
va
lv
e
i
s
ope
ne
d
f
or
1 s
e
c
ond
pH
D
ow
n
S
e
r
vo 2 a
c
ti
ve
(
pH
-
R
is
in
g L
iq
ui
d)
T
he
va
lv
e
i
s
ope
ne
d
f
or
1 s
e
c
ond
3.
4
Re
s
p
on
s
e
t
im
e
t
e
s
t
T
he
da
ta
in
T
a
ble
5
is
obtaine
d
by
looki
ng
a
t
the
ti
me
on
the
R
a
s
be
r
r
y
P
i
with
we
b
hos
ti
ng
to
f
ind
out
the
dif
f
e
r
e
nc
e
in
t
im
e
da
ta
e
nter
e
d
on
the
R
a
s
pbe
r
r
y
P
i
with
the
we
bs
it
e
.
I
n
T
a
ble
5
the
ti
me
f
or
s
e
nding
da
ta
f
r
om
the
s
e
ns
or
modul
e
c
ont
r
ols
the
pH
a
nd
s
a
lt
c
ontent
in
the
f
o
r
m
o
f
pH
a
nd
s
a
li
nit
y
va
lues
s
e
nt
f
r
om
the
R
a
s
pbe
r
r
y
P
i
to
the
we
bs
it
e
us
ing
a
n
int
e
r
ne
t
c
onne
c
ti
on.
T
he
in
ter
ne
t
c
onne
c
ti
on
c
a
n
a
f
f
e
c
t
the
ti
me
di
f
f
e
r
e
nc
e
be
twe
e
n
the
da
ta
e
nter
e
d
on
the
R
a
s
pbe
r
r
y
P
i
a
nd
t
he
da
ta
dis
playe
d
on
the
we
bs
it
e
.
T
he
r
e
s
pons
e
ti
m
e
of
the
s
e
r
vo
mot
or
moveme
nt
unti
l
pH
li
qu
id
mi
xe
d
we
ll
to
the
wa
ter
is
s
howe
d
in
T
a
ble
6
.
B
e
s
ides
,
the
gr
e
a
ter
the
number
of
d
r
oplets
given,
the
mor
e
d
a
ta
will
be
e
nter
e
d
on
the
R
a
s
pbe
r
r
y
P
i
a
nd
da
taba
s
e
hos
ti
ng
s
o
that
the
inf
or
mation
d
is
playe
d
on
the
we
bs
it
e
with
the
L
C
D
in
the
s
ys
tem
modul
e
c
ontr
ols
the
pH
a
nd
s
a
lt
c
ontent
s
o
that
it
take
s
longer
.
T
a
be
l
5
.
R
e
s
pons
e
ti
me
da
ta
f
r
om
r
a
s
pbe
r
r
y
P
i
to
we
bs
it
e
No
pH
va
lu
e
S
a
li
ni
ty
D
a
ta
E
nt
r
y
T
im
e
di
f
f
e
r
e
nc
e
(
s
e
c
ond)
1
7
.
11
152
21:
28:
33
-
2
7
.
11
152
21:
28:
38
5
3
7
.
11
152
21:
28:
40
2
4
7
.
11
151
21:
28:
43
3
5
7
.
11
151
21:
28:
45
2
6
7
.
11
151
21:
28:
48
3
7
7
.
11
152
21:
28:
54
6
8
7
.
11
152
21:
28:
56
2
9
7
.
11
151
21:
29:
02
7
10
7
.
11
151
21:
29:
05
3
T
a
be
l
6
.
R
e
s
pons
e
ti
me
s
e
r
vo
mot
or
moveme
nt
unt
il
p
H
li
quid
is
mi
xe
d
we
ll
No
F
r
e
que
nc
y
of
vi
r
tu
a
l
but
to
n pr
e
s
s
e
d
I
ni
ti
a
l
pH
va
lu
e
F
in
a
l
pH
va
lu
e
R
e
s
pons
e
T
im
e
(
mi
nut
e
s
, s
e
c
onds
)
1
1 x
7
.
8
7
.
4
03:
03
2
2 x
7
.
8
7
.
14
03:
57
3
3 x
7
.
8
6
.
9
06:
09
5.
CONC
L
USI
ON
B
a
s
e
d
on
the
tes
t
r
e
s
ult
,
the
whole
s
ys
tem
c
a
n
wor
k
pr
ope
r
ly
.
T
his
is
ind
ica
ted
by
the
va
lue
of
s
a
li
nit
y
a
nd
pH
c
a
n
be
dis
playe
d
c
onti
nuous
ly
on
the
we
b
a
ppli
c
a
ti
on
a
nd
va
lue
a
c
c
or
ding
to
the
va
l
ue
s
tate
d
on
the
L
C
D.
T
he
va
lve
ope
ning
s
ys
tem
in
pH
ne
utr
a
li
z
ing
f
lui
ds
c
a
n
f
unc
ti
on
pr
ope
r
ly
but
ther
e
is
s
ti
ll
a
de
lay
in
r
e
s
pons
e
.
Da
ta
tr
a
ns
mi
s
s
ion
c
a
n
be
done
wit
h
a
ti
me
di
f
f
e
r
e
nc
e
of
a
bout
2
to
7
s
e
c
onds
.
F
or
f
utu
r
e
de
ve
lopm
e
nt,
the
s
ys
tem
c
a
n
be
a
dde
d
with
a
tempe
r
a
tur
e
s
e
ns
or
a
nd
e
quipped
with
tempe
r
a
tur
e
s
e
tt
ings
s
o
that
the
wa
ter
tempe
r
a
tur
e
c
a
n
be
a
djus
ted
a
c
c
or
ding
to
the
ne
e
ds
of
f
a
r
mer
s
.
RE
F
E
RE
NC
E
S
[1
]
Z
.
A
n
k
a,
et
a
l
.
,
"
G
ro
w
t
h
p
erf
o
rman
ce
an
d
s
u
rv
i
v
a
l
o
f
g
u
p
p
y
(Po
ec
i
l
i
a
ret
i
cu
l
at
a)
:
D
i
ffere
n
t
f
o
rmu
l
at
e
d
d
i
et
s
effe
ct
,
"
A
s
i
a
n
J
o
u
r
n
a
l
o
f
M
e
d
i
c
a
l
a
n
d
B
i
o
l
o
g
y
R
es
e
a
r
c
h
,
v
o
l
.
2
,
n
o
.
3
,
p
p
.
4
5
1
-
4
5
7
,
2
0
1
6
.
[2
]
M.
M,
M.
S.
Is
l
am,
et
a
l
.
,
"
Imp
act
o
f
w
at
er
q
u
a
l
i
t
y
o
n
fi
s
h
g
r
o
w
t
h
an
d
p
ro
d
u
c
t
i
o
n
i
n
s
emi
-
i
n
t
en
s
i
v
el
y
man
a
g
ed
aq
u
ac
u
l
t
u
re
farm,
"
B
a
n
g
l
a
d
es
h
Jo
u
r
n
a
l
E
n
v
i
r
o
n
t
m
e
n
t
S
c
i
en
ce,
v
o
l
.
2
3
,
p
p
.
1
0
8
-
1
1
3
,
2
0
1
2
.
[3
]
A
.
A
i
c
h
a,
B.
Ch
a
t
t
o
p
a
d
h
y
ay
a,
S.
D
a
t
t
a
an
d
S.
K
.
Mu
k
h
o
p
ad
h
y
a
y
,
"
Imp
act
o
f
co
m
p
o
s
i
t
e
t
an
n
ery
eff
l
u
e
n
t
o
n
t
h
e
ami
n
o
-
t
ra
n
s
fera
s
e
act
i
v
i
t
i
es
i
n
a
fi
s
h
b
i
o
s
y
s
t
em,
u
s
i
n
g
G
u
p
p
y
fi
s
h
(P
o
eci
l
i
a
re
t
i
c
u
l
a
t
a)
a
s
an
e
x
p
er
i
men
t
al
m
o
d
el
,
"
To
xi
c
o
l
o
g
i
ca
l
&
E
n
v
i
r
o
n
m
en
t
a
l
Ch
em
i
s
t
r
y,
v
o
l
.
9
3
,
n
o
.
1
,
p
p
.
8
5
-
9
1
,
2
0
1
1
.
[4
]
A
.
E
.
Ben
-
ch
i
o
ma,
A
.
S.
J
ac
k
,
an
d
G
.
K
.
Ph
i
l
i
p
o
k
ere,
"
A
co
mp
ara
t
i
v
e
s
t
u
d
y
o
n
t
h
e
mea
s
u
reme
n
t
o
f
p
H
w
at
er,
u
s
i
n
g
p
H
met
re
a
n
d
w
a
t
er
t
e
s
t
i
n
g
k
i
t
[t
e
s
t
u
b
e]
i
n
p
o
rt
h
a
rc
o
u
r
t
,
"
H
a
r
d
-
In
t
er
n
a
t
i
o
n
a
l
Jo
u
r
n
a
l
o
f
A
p
p
l
i
ed
C
h
em
i
s
t
r
y,
v
o
l
.
1
3
,
n
o
.
3
,
p
p
.
1
-
7
,
2
0
1
5
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NI
KA
T
e
lec
omm
un
C
omput
E
l
C
ontr
o
l
I
oT
-
bas
e
d
guppy
fi
s
h
far
ming
moni
tor
ing
and
c
ont
r
oll
ing
s
y
s
tem
(
P
e
r
iyadi
)
1545
[5
]
S.
H
.
D
w
i
n
a
n
t
i
,
M.
H
.
Pu
t
ra,
an
d
A
.
D
.
Sas
an
t
i
,
"
U
t
i
l
i
za
t
i
o
n
o
f
co
c
o
n
u
t
w
at
er
(Co
co
s
N
u
c
i
fera)
fo
r
mas
c
u
l
i
n
i
zat
i
o
n
i
n
g
u
p
p
y
(p
o
ec
i
l
i
a
ret
i
c
u
l
a
t
a)
(i
n
Bah
a
s
a:
Peman
faa
t
an
ai
r
k
el
ap
a
(Co
c
o
s
N
u
ci
fera)
u
n
t
u
k
mas
k
u
l
i
n
i
s
as
i
i
n
g
u
p
p
y
(p
o
ec
i
l
i
a
ret
i
c
u
l
a
t
a)
)
,
"
Ju
r
n
a
l
A
ku
a
ku
l
t
u
r
R
a
w
a
In
d
o
n
e
s
i
a
,
v
o
l
.
6
,
n
o
.
2
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[7
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3
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4
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6
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7
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8
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9
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0
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1
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3
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p
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7
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1
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.
[2
4
]
K
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5
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.
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