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Adv
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Desig
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m
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co
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1.
I
NT
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I
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N
On
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v
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a
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w
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k
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au
to
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c
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d
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ted
ly
d
o
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to
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r
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f
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.
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u
s
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to
m
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s
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s
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m
s
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p
p
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u
f
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t
u
r
in
g
w
h
er
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cu
s
to
m
er
s
ar
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s
atis
f
ied
at
lo
w
an
d
a
f
f
o
r
d
ab
le
co
s
t
[
1
]
.
T
h
e
af
o
r
e
m
en
tio
n
ed
i
s
m
ad
e
p
o
s
s
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b
y
co
n
tin
u
o
u
s
i
m
p
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v
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m
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t
in
d
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g
n
tech
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iq
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s
a
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d
in
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s
ag
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lo
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s
.
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r
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co
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r
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ller
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f
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etter
s
o
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t
io
n
,
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ein
g
co
m
p
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ter
s
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n
s
in
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c
h
ip
s
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ab
le
p
r
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cti
o
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f
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m
b
ed
d
ed
s
m
ar
t
s
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s
te
m
s
w
h
ic
h
ar
e
p
r
ev
alen
t
ev
er
y
w
h
er
e
to
d
ay
[
2
]
.
A
d
esi
g
n
er
j
u
s
t
n
ee
d
to
m
a
s
ter
it,
lear
n
th
eir
in
s
tr
u
ctio
n
s
ets
a
n
d
w
r
ite
co
d
es
th
at
m
a
k
e
t
h
e
m
w
o
r
k
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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N
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8814
I
n
t J
A
d
v
A
p
p
l Sci
,
Vo
l.
9
,
No
.
2
,
J
u
n
e
2020
:
77
–
84
78
T
h
is
p
r
o
j
ec
t
w
ill
a
llo
w
t
h
e
le
v
el
o
f
w
ater
in
a
tan
k
to
b
e
m
ai
n
tai
n
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to
m
atica
ll
y
,
t
h
a
t
is
,
u
n
atte
n
d
ed
to
;
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u
s
e
s
A
r
d
u
in
o
m
icr
o
co
n
tr
o
ller
,
co
d
es
w
er
e
w
r
i
tten
i
n
o
r
d
er
f
o
r
it to
p
er
f
o
r
m
as
w
ater
le
v
el
c
o
n
tr
o
ller
.
2.
M
E
T
H
O
DO
L
O
G
Y
T
h
e
task
s
to
b
e
p
e
r
f
o
r
m
ed
w
e
r
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lis
ted
w
h
i
le
f
lo
w
ch
ar
t
f
o
r
th
e
d
esig
n
w
a
s
d
r
a
w
n
.
I
n
p
u
t
p
in
s
h
o
s
tin
g
th
r
ee
f
lo
at
s
w
itc
h
es
w
er
e
co
n
n
ec
ted
to
A
r
d
u
in
o
p
i
n
s
1
to
3
u
s
in
g
p
u
ll
d
o
w
n
1
0
k
r
e
s
is
to
r
s
.
Fo
u
r
L
E
Ds
lev
el
in
d
icato
r
s
in
d
icati
n
g
“
W
ater
L
ev
el
Ver
y
H
ig
h
,
Hi
g
h
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L
o
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Ver
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”
w
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co
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n
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ted
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A
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u
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n
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in
s
9
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8
,
7
an
d
6
r
esp
ec
tiv
el
y
.
I
F
s
ta
te
m
e
n
ts
w
er
e
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n
t
h
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co
d
es.
T
h
e
p
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o
j
ec
t
w
as
s
i
m
u
lated
u
s
in
g
P
r
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teu
s
w
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ile
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e
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m
p
le
m
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ta
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s
d
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.
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n
L
C
D
d
is
p
la
y
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n
g
w
ater
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v
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a
s
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cl
u
d
ed
u
s
i
n
g
s
ix
A
r
d
u
i
n
o
p
in
s
.
An
o
p
tio
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o
f
I
2
C
L
C
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w
as
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n
cl
u
d
ed
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u
s
en
ab
lin
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w
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alo
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s
A
4
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d
A
5
to
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en
g
a
g
ed
;
w
h
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A
4
is
co
n
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5
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L
,
th
at
is
,
i2
C
d
ata
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clo
ck
r
esp
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tiv
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y
[
3
]
.
2
.
1
.
Sy
s
t
e
m
’
s
f
lo
w
cha
rt
A
l
g
o
r
ith
m
s
t
h
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t
h
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s
eq
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d
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tep
s
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wr
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t
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s
en
ab
lin
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r
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m
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tatio
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t
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g
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c
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f
lo
w
c
h
ar
ti
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[
4
]
.
T
h
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ap
p
r
o
ac
h
s
i
m
p
lifi
es t
h
e
w
r
iti
n
g
o
f
s
y
s
te
m
’
s
co
d
es
(
Fig
u
r
e
1
)
.
S
t
o
p
S
t
a
r
t
R
e
a
d
k
p
i
n
F
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k
p
i
n
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,
k
p
i
n
L
F
a
l
s
e
F
a
l
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e
T
r
u
e
L
E
D
v
l
=
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N
,
L
E
D
l
=
O
F
F
L
E
D
h
=
O
F
F
,
L
E
D
v
h
=
O
F
F
,
P
U
M
P
=
O
N
P
r
i
n
t
W
a
t
e
r
L
e
v
e
l
,
V
E
R
Y
L
O
W
P
U
M
P
O
N
T
r
u
e
L
E
D
v
l
=
O
N
,
L
E
D
l
=
O
N
L
E
D
h
=
O
F
F
,
L
E
D
v
h
=
O
F
F
,
P
U
M
P
=
O
N
P
r
i
n
t
W
a
t
e
r
L
e
v
e
l
:
L
O
W
If
va
l
f
=
L
O
W
&
va
l
m
=
L
O
W
&
va
l
l
=
L
O
W
If
va
l
f
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L
O
W
&
va
l
m
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L
O
W
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va
l
l
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H
I
G
H
F
a
l
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e
T
r
u
e
L
E
D
v
l
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N
,
L
E
D
l
=
O
N
L
E
D
h
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O
N
,
L
E
D
v
h
=
O
F
F
,
P
U
M
P
=
O
N
P
r
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n
t
W
a
t
e
r
L
e
v
e
l
:
H
I
G
H
T
r
u
e
L
E
D
v
l
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O
N
,
L
E
D
l
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O
N
L
E
D
h
=
O
N
,
L
E
D
v
h
=
O
N
,
P
U
M
P
=
O
F
F
P
r
i
n
t
W
a
t
e
r
L
e
v
e
l
:
V
E
R
Y
H
I
G
H
P
U
M
P
O
F
F
If
va
l
f
=
L
O
W
&
va
l
m
=
H
I
G
H
&
va
l
l
=
H
I
G
H
If
va
l
f
=
H
I
G
H
&
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l
m
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H
I
G
H
&
va
l
l
=
H
I
G
H
F
a
l
s
e
Fig
u
r
e
1
.
F
lo
w
c
h
ar
t
Ste
p
1
:
R
ea
d
t
h
e
d
ig
ital
v
al
u
es
(
HI
GH,
+5
V
o
r
L
OW
,
0
V)
at
m
icr
o
co
n
tr
o
ller
p
in
s
k
p
i
n
F
,
k
p
in
M
an
d
k
p
in
L
an
d
s
to
r
e
th
eir
v
al
u
es
at
v
al
f
,
v
alM
an
d
v
a
ll
r
esp
ec
tiv
el
y
.
(
F,
M
an
d
L
r
ep
r
esen
t
F
u
ll,
M
ed
iu
m
a
n
d
L
o
w
r
esp
ec
tiv
e
l
y
)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
A
d
v
A
p
p
l Sci
I
SS
N:
2
2
5
2
-
8814
Desig
n
,
s
imu
la
tio
n
a
n
d
imp
leme
n
ta
tio
n
o
f
a
n
a
r
d
u
in
o
(
A
kin
w
o
le
OO
)
79
Ste
p
2
:
If
v
alf
,
v
al
m
an
d
v
a
ll
h
av
e
L
OW
(
0
V)
v
alu
es,
L
ig
h
t
E
m
i
tti
n
g
Dio
d
es
L
E
Ds
L
E
Dv
l
ON
(
lit),
L
E
Dl
OFF,
L
E
Dh
OFF,
L
E
D
v
h
O
FF
;
W
ater
P
u
m
p
S
w
i
tch
ed
O
N,
P
r
in
t
o
n
L
C
D
“
W
ater
L
e
v
el:
VE
R
Y
L
OW
P
UM
P
ON”
else
g
o
to
s
tep
3
.
(
v
l,
l,
h
,
v
h
r
ep
r
esen
t
v
er
y
lo
w
,
lo
w
,
h
ig
h
a
n
d
v
er
y
h
ig
h
r
esp
ec
tiv
el
y
)
.
Ste
p
3
:
If
v
alf
an
d
v
a
l
m
ar
e
L
OW
(
0
V)
v
alu
es
an
d
v
all
HI
G
H,
L
ig
h
t
E
m
itti
n
g
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d
es
L
E
Ds
L
E
D
v
l
ON
(
lit),
L
E
Dl
ON,
L
E
Dh
O
FF
,
L
E
D
v
h
OFF;
W
ater
P
u
m
p
ON,
P
r
in
t
o
n
L
C
D
“
W
ater
L
e
v
el:
L
O
W
P
UM
P
ON”
else g
o
to
s
tep
4
.
Ste
p
4
:
If
v
al
f
L
OW
w
h
i
le
v
a
l
m
a
n
d
v
all
HI
GH
(
+5
V)
,
L
i
g
h
t
E
m
itti
n
g
Dio
d
es
L
E
D
s
L
E
Dv
l
ON
(
lit),
L
E
Dl
ON,
L
E
Dh
ON,
L
E
D
v
h
O
FF
;
W
ater
P
u
m
p
ON,
P
r
in
t
o
n
L
C
D
“
W
ater
L
e
v
el:
HI
GH
P
UM
P
ON”
else g
o
to
s
tep
5
.
Ste
p
5
:
If
v
al
f
,
v
al
m
a
n
d
v
al
l
ar
e
HI
GH
(
+5
V)
,
L
i
g
h
t
E
m
itti
n
g
Dio
d
es
L
E
D
s
L
E
Dv
l
O
N
(
lit),
L
E
Dl
ON,
L
E
D
h
ON,
L
E
Dv
h
ON;
W
a
ter
P
u
m
p
s
w
itc
h
OFF,
P
r
in
t
o
n
L
C
D
“
W
ater
L
e
v
el:
VE
R
Y
HI
G
H
P
UM
P
OFF
”.
2
.
2
.
Arduin
o
u
no
m
icro
co
ntr
o
ller
A
Mic
r
o
co
n
tr
o
ller
ca
n
b
e
r
ef
er
r
ed
to
as
a
co
m
p
u
ter
o
n
a
ch
ip
.
I
t
p
ar
ad
es
in
p
u
t
an
d
o
u
tp
u
t
p
in
s
.
Un
li
k
e
a
Mic
r
o
p
r
o
ce
s
s
o
r
,
it
in
cl
u
d
es
p
r
o
ce
s
s
o
r
w
i
th
m
e
m
o
r
y
lo
ca
tio
n
f
o
r
s
to
r
in
g
p
r
o
g
r
a
m
s
w
r
i
tten
in
C
lan
g
u
ag
e
[
5
]
.
A
r
d
u
i
n
o
U
n
o
b
o
ar
d
,
Fig
u
r
e
2
,
h
as
a
n
A
t
m
eg
a
3
2
8
o
n
it
as
t
h
e
m
a
in
Mic
r
o
co
n
tr
o
lle
r
.
Usi
n
g
th
is
u
n
i
t
d
o
es
n
o
t
r
eq
u
ir
e
ex
tr
a
m
o
n
e
y
f
o
r
a
P
r
o
g
r
a
m
m
er
.
C
o
d
es
o
r
s
k
etch
es
an
d
co
m
p
ilatio
n
s
ar
e
d
o
n
e
o
n
its
I
n
teg
r
ated
De
v
elo
p
m
e
n
t
E
n
v
ir
o
n
m
e
n
t
I
DE
T
h
is
ad
v
a
n
ta
g
e
m
ak
e
s
p
r
o
to
t
y
p
i
n
g
o
f
e
m
b
ed
d
ed
s
y
s
te
m
ea
s
ier
b
y
en
g
i
n
ee
r
s
a
n
d
elec
tr
o
n
ic
s
y
s
te
m
s
en
th
u
s
iast
s
.
T
h
e
b
o
ar
d
h
as
s
ix
(
A
0
to
A
5
)
an
alo
g
in
p
u
t
s
to
h
an
d
le
an
alo
g
s
ig
n
al
s
an
d
f
o
u
r
teen
I
/O
p
in
s
f
o
r
in
p
u
t a
n
d
o
u
tp
u
t f
u
n
c
tio
n
s
[
4
]
.
Fig
u
r
e
2
.
A
r
d
u
i
n
o
u
n
o
b
o
ar
d
2
.
3
.
Desig
n o
f
a
re
la
y
c
o
ntr
o
llin
g
s
w
it
ch
T
r
an
s
is
to
r
w
o
r
k
s
as
a
s
w
i
tch
w
h
en
it
is
o
p
er
ated
at
its
e
x
tr
e
m
e
r
e
g
io
n
s
,
th
at
i
s
,
at
c
u
t
-
o
f
f
an
d
s
atu
r
atio
n
[
6
]
A
t
s
at
u
r
atio
n
,
C
o
m
m
o
n
-
E
m
it
ter
Vo
ltag
e,
V
CE
=0
;
an
d
C
o
llecto
r
C
u
r
r
en
t
I
C
=
As s
h
o
w
n
i
n
Fi
g
u
r
e
3
.
Fig
u
r
e
3
.
A
tr
an
s
is
to
r
s
w
itch
W
h
ile
at
cu
t
-
o
f
f
,
C
o
llecto
r
Su
p
p
l
y
V
CC
is
eq
u
a
l
to
C
o
llec
to
r
E
m
it
ter
Vo
ltag
e
V
CE
(V
CE
=
V
CC
)
an
d
I
C
=
0
.
Usi
n
g
Kir
c
h
h
o
f
f
’
s
Vo
ltag
e
L
a
w
i
n
t
h
e
co
llecto
r
cir
cu
it
(
1
)
,
=
+
(
1
)
Usi
n
g
a
s
w
i
tch
in
g
an
d
li
n
ea
r
am
p
li
f
icatio
n
tr
a
n
s
i
s
to
r
2
N2
2
2
2
,
+
V
c
c
0V
R
r
e
l
a
y
1
N
4
0
0
1
C
o
n
t
r
o
l
s
P
u
m
p
s
t
a
r
t
e
r
a
n
d
a
l
a
r
m
RB
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8814
I
n
t J
A
d
v
A
p
p
l Sci
,
Vo
l.
9
,
No
.
2
,
J
u
n
e
2020
:
77
–
84
80
I
C
m
ax
=
8
0
0
m
A
at
I
C
=
1
5
0
m
A
,
V
CE
=
1
0
V
w
h
ile
h
FE
m
in
=1
0
0
an
d
h
FE
m
ax
=
3
0
0
[
7
]
V
HI
G
H
=
V
CC
=
9
V,
R
relay
=
4
0
0
Ω,
h
FE
=
1
0
0
,
R
elay
o
p
er
atin
g
v
o
lta
g
e
=
9
V
B
y
u
s
i
n
g
3
0
0
Ω
,
I
C
=
=
9
400
=
2
2
.
5
m
A
B
ase
cu
r
r
en
t,
=
ℎ
=
22
.
5
100
=
0
.
2
3
m
A
Fo
r
s
atu
r
atio
n
,
I
B
>
0
.
2
3
m
A
.
L
et
I
B
=
2
.
5
m
A
.
A
r
d
u
i
n
o
V
H
I
GH
=
5
V,
V
BE
=
0
.
7
V
R
B
=
−
=
5
−
0
.
7
2
.
5
4
.
3
3
=
1
7
2
0
Ω
P
r
ef
er
r
ed
Valu
e
=
1
.
5
k
Ω
2
.
4
.
T
he
s
y
s
t
e
m
’
s
co
des
T
h
e
s
y
s
te
m
’
s
co
d
es
b
elo
w
wer
e
p
u
n
ctu
a
ted
w
i
th
co
m
m
e
n
t
s
th
er
eb
y
g
iv
e
n
clea
r
u
n
d
er
s
t
an
d
in
g
s
o
f
th
e
ap
p
licatio
n
o
f
A
r
d
u
i
n
o
m
icr
o
co
n
tr
o
ller
’
s
s
y
n
tax
i
n
o
n
e
h
a
n
d
a
n
d
p
r
o
v
id
en
ce
o
f
n
ee
d
ed
ass
is
ta
n
ce
i
n
f
u
tu
r
e
s
o
f
t
w
ar
e
i
m
p
r
o
v
e
m
e
n
ts
.
I
n
o
r
d
er
t
o
w
r
ite
to
th
e
L
C
D,
4
b
its
m
o
d
e
w
as
ad
o
p
ted
in
wh
ich
L
C
D
’
s
D4
-
D7
ar
e
en
g
a
g
ed
(
f
ig
u
r
e
4
)
.
T
h
e
s
y
n
tax
is
L
iq
u
id
C
r
y
s
ta
l
lcd
(
R
S,
E
N,
D4
,
D5
,
D6
,
D
7
)
,
in
t
h
is
c
ase:
L
iq
u
id
C
r
y
s
tal
lcd
(
4
,
5
,
1
0
,
1
1
,
1
2
,
1
3
)
ar
e
co
n
n
ec
ted
to
R
S,
E
N,
D4
,
D5
,
D6
an
d
D7
r
esp
ec
tiv
el
y
[
4]
.
#include <LiquidCrystal.h>
#include <Wire.h>
LiquidCrystal
lcd (
4,5,10,11,12,13);
int kpinF=1; // pin 1 is set as
water full sensor pin
int kpinM=2;// pin 2 is set as water medium level sensor pin
int kpinL=3;// pin 3 is set as water low level sensor pin
int MotorBuzzer=0; // pin 0 is set as water pump and buzzer drive pin
int LEDvh=9; // pin 9 is set as Very High wa
ter level indicator pin
int LEDh=8; // pin 8 is set as High water level indicator pin
int LEDl=7; // pin 7 is set as Low water level indicator pin.
int LEDvl=6;//pin 6 is set as Very Low water level indicator pin.
int valf=0;//The value of the memory loca
tion sensing Full water level initialized to
zero
int valm=0;// The value of the memory location sensing Medium water level initialized
to
zero
int vall=0;// The value of the memory location sensing Low water level initialized to
zero
void setup()
{
lcd
.begin(16,2); // for 16 X 2 LCD module
lcd.setCursor(0,0);
lcd.print("AUTO WATER LEVEL");
lcd.setCursor(0,1);
lcd.print(" CONTROLLER");
delay(1000);
pinMode(kpinF, INPUT);//kpinF set as Input pin
pinMode(kpinM, INPUT);//kpinM set as input pin
pinMode(kpinL
, INPUT);// kpinL set as input pin
pinMode(LEDvh, OUTPUT);//LEDvh set as output pin
pinMode(LEDh, OUTPUT);// LEDh set as output pin
pinMode(LEDl, OUTPUT);// LEDl set as output pin
pinMode(LEDvl, OUTPUT);// LEDvl set as output pin
pinMode(MotorBuzzer
, OUTPUT);// MotorBuzzer set as output pin
}
void loop()
{
valf=digitalRead(kpinF);// Read kpinF and store the digital value in valf
valm=digitalRead(kpinM); // Read kpinM and store the digital value in valm
vall=digitalRead(kpinL);// Read kpinL and store
the digital value in vall
if((valf==LOW)&&(valm==LOW)&&(vall==LOW))
{
digitalWrite(LEDvl, HIGH);
digitalWrite(LEDl, LOW);
digitalWrite(LEDh, LOW);
digitalWrite(LEDvh, LOW);
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
A
d
v
A
p
p
l Sci
I
SS
N:
2
2
5
2
-
8814
Desig
n
,
s
imu
la
tio
n
a
n
d
imp
leme
n
ta
tio
n
o
f
a
n
a
r
d
u
in
o
(
A
kin
w
o
le
OO
)
81
digitalWrite(MotorBuzzer, HIGH);
lcd.clear();
lcd.setCursor(0,0);
lcd.print("WATER
LEVEL");
lcd.setCursor(0,1);
lcd.print("VERY LOW PUMP ON");
delay(500);
}
if((valf==LOW)&&(valm==LOW)&&(vall==HIGH))
{
digitalWrite(LEDvl, HIGH);
digitalWrite(LEDl, HIGH);
digitalWrite(LEDh, LOW);
digitalWrite(LEDvh, LOW);
lcd.clear();
lcd.setCursor(0,0);
lcd.print("WATER LEVEL");
lcd.setCursor(0,1);
lcd.print("LOW");
delay(500);
}
if((valf==LOW)&&(valm==HIGH)&&(vall==HIGH))
{
digitalWrite(LEDvl, HIGH);
digitalWrite(LEDl, HIGH);
digitalWrite(LEDh, HIGH);
digitalWrite(LEDvh, LOW);
lcd.clear();
lcd.setCursor
(0,0);
lcd.print("WATER LEVEL");
lcd.setCursor(0,1);
lcd.print("HIGH");
delay(500);
}
if((valf==HIGH)&&(valm==HIGH)&&(vall==HIGH))
{
digitalWrite(LEDvl, HIGH);
digitalWrite(LEDl, HIGH);
digitalWrite(LEDh, HIGH);
digitalWrite(LEDvh, HIGH);
digitalWrite(Moto
rBuzzer, LOW);
lcd.clear();
lcd.setCursor(0,0);
lcd.print("WATER LEVEL");
lcd.setCursor(0,1);
lcd.print("VHIGH PUMP OFF");
delay(500);
}
}
2
.
5
.
Co
des
us
i
ng
I
2C
I
n
o
r
d
er
to
em
p
lo
y
i2
C
co
n
f
i
g
u
r
atio
n
a
n
d
b
en
ef
it
f
r
o
m
it
s
g
ain
,
th
e
ab
o
v
e
co
d
e
ca
n
b
e
m
o
d
if
ied
b
y
in
cl
u
d
in
g
its
co
d
e
u
s
i
n
g
#
in
clu
d
e<
L
I
q
u
id
C
r
y
s
tal
_
I
2
C
.
h
>
an
d
L
iq
u
id
C
r
y
s
tal_
I
2
C
lcd
(
0
x
3
F,2
,
1
,
0
,
4
,
5
,
6
,
7
)
;
0
x
3
F
is
t
h
e
ad
d
r
ess
o
f
t
h
e
i2
C
m
o
d
u
le
[
4
]
.
Ot
h
er
s
y
n
ta
x
s
h
o
u
ld
b
e
n
o
ted
.
T
h
e
v
o
id
(
)
lo
o
p
co
d
es
w
h
ic
h
th
e
A
r
d
u
i
n
o
ex
ec
u
tes co
n
t
in
u
o
u
s
l
y
r
e
m
ai
n
t
h
e
s
a
m
e
a
s
i
n
th
e
s
ec
tio
n
ab
o
v
e.
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
LiquidCrystal_I2C lcd(0x3F,2,1,0,4,5,6,7);
int kpinF=1; // pin 1 is set as water full sensor pin
int kpinM=2;// pin 2 is set as water medium level sensor pin
int kpinL=3;// pin 3 i
s set as water low level sensor pin
int MotorBuzzer=0; // pin 0 is set as water pump and buzzer drive pin
int LEDvh=9; // pin 9 is set as Very High water level indicator pin
int LEDh=8; // pin 8 is set as High water level indicator pin
int LEDl=7; // pin 7
is set as Low water level indicator pin.
int LEDvl=6;//pin 6 is set as Very Low water level indicator pin.
int valf=0;//The value of the memory location sensing Full water level initialized to
zero
int valm=0;// The value of the memory location sensing M
edium water level initialized
to
zero
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8814
I
n
t J
A
d
v
A
p
p
l Sci
,
Vo
l.
9
,
No
.
2
,
J
u
n
e
2020
:
77
–
84
82
int vall=0;// The value of the memory location sensing Low water level initialized to
zero
void setup()
{
lcd.begin(16,2); // for 16 X 2 LCD module
lcd.setBacklightPin(3,POSITIVE);
lcd.setBacklight(HIGH);
lcd.setCur
sor(0,0);
lcd.print("AUTO WATER LEVEL");
lcd.setCursor(0,1);
lcd.print(" CONTROLLER");
delay(1000);
pinMode(kpinF, INPUT);//kpinF set as Input pin
pinMode(kpinM, INPUT);//kpinM set as input pin
pinMode(kpinL, INPUT);// kpinL set as input pin
pinMode(LEDvh
, OUTPUT);//LEDvh set as output pin
pinMode(LEDh, OUTPUT);// LEDh set as output pin
pinMode(LEDl, OUTPUT);// LEDl set as output pin
pinMode(LEDvl, OUTPUT);// LEDvl set as output pin
pinMode(MotorBuzzer, OUTPUT);// MotorBuzzer set as output pin
}
2
.
6
.
Si
m
ula
t
io
n u
s
ing
p
ro
t
eus
T
h
e
p
r
o
j
ec
t
w
a
s
w
ir
ed
in
P
r
o
teu
s
[
8
]
f
o
r
s
i
m
u
latio
n
,
(
Fi
g
u
r
e
4
)
.
Pro
teu
s
is
a
s
i
m
u
latio
n
a
n
d
d
esig
n
s
o
f
t
w
ar
e
d
e
v
elo
p
ed
b
y
lab
ce
n
ter
elec
tr
o
n
ics
[
9
]
.
Sin
g
le
p
o
l
e
s
i
n
g
le
t
h
r
o
w
s
w
itc
h
w
as
e
m
p
lo
y
ed
to
r
ep
r
ese
n
t
f
lo
at
s
w
itc
h
es
s
en
s
i
n
g
l
o
w
,
m
ed
iu
m
an
d
f
u
ll
w
ater
lev
el
s
.
T
h
ey
d
r
i
v
e
k
p
in
L
,
k
p
in
M
an
d
k
p
in
F
r
esp
ec
ti
v
el
y
.
T
h
e
p
in
s
ar
e
p
u
ll d
o
w
n
u
s
in
g
t
h
r
ee
1
0
k
Ω
r
esis
to
r
s
.
A
clo
s
ed
s
w
itc
h
ap
p
lies
+5
V
ac
r
o
s
s
its
r
esp
ec
tiv
e
p
in
.
Fig
u
r
e
4
.
Si
m
u
latio
n
in
p
r
o
teu
s
en
v
ir
o
n
m
en
t
w
ith
g
e
n
er
al
L
C
D
co
n
n
ec
tio
n
3.
T
H
E
CO
M
P
L
E
T
E
CIR
CUI
T
W
ater
s
en
s
o
r
s
s
en
s
in
g
L
o
w
,
Me
d
iu
m
a
n
d
Fu
ll
lev
e
ls
o
f
w
a
ter
tan
k
ar
e
co
n
n
ec
ted
to
A
r
d
u
in
o
p
in
s
1
,
2
an
d
3
r
esp
ec
ti
v
el
y
.
P
in
0
d
r
iv
es
th
e
w
ater
p
u
m
p
an
d
b
u
z
ze
r
w
h
ile
L
ig
h
t
E
m
itti
n
g
Dio
d
es
in
d
icati
n
g
Ver
y
L
o
w
(
v
l)
,
L
o
w
(
l)
,
Hi
g
h
(
h
)
an
d
Ver
y
H
ig
h
(
v
h
)
ar
e
co
n
n
ec
ted
to
p
in
s
6
,
7
,
8
,
an
d
9
r
esp
ec
tiv
el
y
.
C
u
r
r
en
t
f
lo
w
i
n
g
i
n
th
e
L
E
D
s
ar
e
m
in
i
m
ized
b
y
co
n
n
ec
t
in
g
2
2
0
Ω
r
esis
to
r
s
in
s
er
ies
with
t
h
e
m
;
A
s
t
h
eir
ca
th
o
d
es
ar
e
g
r
o
u
n
d
ed
(
0
V)
,
th
e
ar
r
an
g
e
m
e
n
t
i
s
ac
ti
v
e
Hi
g
h
,
th
at
i
s
,
w
h
e
n
t
h
e
c
o
n
d
itio
n
s
f
o
r
an
y
o
f
t
h
e
L
E
D
to
b
e
ill
u
m
in
ated
is
m
et,
its
a
n
o
d
e
ter
m
in
al
co
n
n
ec
ted
to
a
n
A
r
d
u
i
n
o
p
i
n
g
o
es
Hig
h
,
th
er
e
b
y
allo
w
i
n
g
c
u
r
r
en
t
to
f
lo
w
t
h
r
o
u
g
h
it
,
as s
h
o
w
n
i
n
Fig
u
r
e
5
.
I
n
p
u
t
P
in
s
(
Se
n
s
o
r
s
)
ar
e
tied
d
o
w
n
u
s
i
n
g
1
0
KΩ
r
esis
to
r
s
;
s
o
+5
VDC
i
s
co
n
n
ec
t
ed
t
h
r
o
u
g
h
t
h
e
f
lo
at
s
w
itc
h
es
to
ea
ch
i
n
p
u
t
p
i
n
.
W
h
en
t
h
e
w
ater
lev
el
i
s
b
elo
w
an
y
s
w
i
tch
,
it
s
co
n
tact
s
b
ec
o
m
e
s
o
p
en
ed
,
its
A
r
d
u
i
n
o
p
in
s
ee
s
0
V
b
u
t
a
s
w
ater
r
ea
ch
e
s
t
h
at
f
lo
at
d
ev
i
ce
th
e
s
w
i
tch
clo
s
es
t
h
u
s
p
r
esen
ti
n
g
+5
V
to
its
A
r
d
u
i
n
o
p
in
.
T
h
e
v
al
u
es i
n
t
h
e
p
in
s
ar
e
s
to
r
ed
in
v
al
f
(
f
u
ll),
v
al
m
(
m
ed
i
u
m
)
a
n
d
v
all
(
lo
w
)
m
e
m
o
r
y
lo
ca
tio
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
A
d
v
A
p
p
l Sci
I
SS
N:
2
2
5
2
-
8814
Desig
n
,
s
imu
la
tio
n
a
n
d
imp
leme
n
ta
tio
n
o
f
a
n
a
r
d
u
in
o
(
A
kin
w
o
le
OO
)
83
d
ig
ital
R
ea
d
f
u
n
ctio
n
s
ar
e
u
s
ed
to
r
ea
d
th
e
v
alu
e
s
,
if
all
t
h
e
v
alu
es
ar
e
L
OW
,
it
m
ea
n
s
t
h
e
w
ater
le
v
el
is
Ver
y
L
o
w
,
P
in
0
th
at
d
r
iv
es t
h
e
w
at
er
p
u
m
p
g
o
es HI
GH
(
+5
V)
T
h
e
HI
GH
lev
el
d
r
iv
e
s
a
tr
a
n
s
i
s
to
r
s
w
itc
h
[
10
]
u
s
i
n
g
a
s
w
itc
h
i
n
g
tr
an
s
is
to
r
2
N2
2
2
2
,
I
ts
Vcc
is
co
n
n
ec
ted
to
th
e
o
u
tp
u
t
ter
m
i
n
al
o
f
a
+9
V
f
ix
ed
v
o
ltag
e
r
e
g
u
la
to
r
,
L
M7
8
0
9
.
T
h
e
b
ase
r
e
s
is
to
r
4
.
7
Ω
p
r
o
v
id
es
a
p
o
ten
tial
d
i
f
f
er
e
n
ce
i
n
t
h
e
b
ase
cir
cu
i
t
w
h
ich
allo
w
s
cu
r
r
en
t
to
f
lo
w
in
to
t
h
e
tr
an
s
is
to
r
.
A
tr
a
n
s
i
s
to
r
co
n
n
ec
ted
i
n
co
m
m
o
n
e
m
itter
co
n
f
ig
u
r
atio
n
ac
t
as
an
I
n
v
er
ter
[
11
]
,
th
at
is
,
+5
V
at
th
e
b
ase
p
r
o
d
u
ce
s
0
V
a
t
th
e
co
llecto
r
.
Sin
ce
a
9
V
r
ela
y
w
it
h
o
p
er
atin
g
co
il
h
a
v
i
n
g
o
h
m
ic
(
DC
)
r
es
is
ta
n
ce
o
f
4
0
0
Ω
is
th
e
lo
ad
,
a
9
V
is
ef
f
ec
tiv
e
l
y
ac
r
o
s
s
th
e
co
il
t
h
u
s
ca
u
s
e
it
to
o
p
er
ate
th
er
eb
y
cl
o
s
in
g
it
s
n
o
r
m
all
y
o
p
en
co
n
ta
ct
w
h
ich
is
w
ir
ed
i
n
s
er
ies
w
it
h
E
lectr
ic
p
u
m
p
co
n
t
r
o
l c
ir
cu
it.
A
p
iezo
elec
tr
ic
d
ev
ice
w
ir
ed
ac
r
o
s
s
th
e
r
ela
y
p
r
o
d
u
ce
s
s
o
u
n
d
.
A
p
o
w
er
d
io
d
e
1
N4
0
0
1
ac
tin
g
as
a
s
u
p
p
r
ess
io
n
d
io
d
e
[1
1
]
co
n
n
ec
ted
ac
r
o
s
s
t
h
e
r
ela
y
p
r
o
tects
t
h
e
tr
a
n
s
i
s
to
r
ag
ain
s
t t
h
e
b
ac
k
e
m
f
.
As th
e
le
v
el
o
f
th
e
w
a
ter
in
t
h
e
tan
k
r
i
s
es
w
it
h
v
al,
v
al
m
a
n
d
v
alf
b
ec
o
m
e
HI
GH,
all
t
h
e
L
E
Ds ar
e
lit,
A
r
d
u
i
n
o
p
in
0
b
ec
o
m
es
0
V,
t
h
e
tr
an
s
is
to
r
s
w
itc
h
c
u
ts
o
f
f
,
r
ela
y
d
e
-
e
n
er
g
ize
s
,
h
ith
er
to
cl
o
s
ed
r
elay
co
n
tac
t
b
ec
o
m
e
s
o
p
en
ed
th
er
eb
y
d
is
en
g
a
g
i
n
g
p
o
w
er
in
to
th
e
w
a
ter
p
u
m
p
co
n
tr
o
l
cir
cu
it.
T
h
e
b
u
zz
er
g
o
es
o
f
f
.
T
h
e
W
ater
P
u
m
p
is
au
to
m
atic
all
y
s
w
i
tch
ed
o
f
f
.
T
h
e
L
C
D
cir
cu
it
u
s
es
t
h
e
1
2
C
m
o
d
u
le
to
r
ed
u
ce
co
m
p
le
x
i
t
y
o
f
d
is
p
la
y
cir
cu
i
t.
I
n
s
tead
o
f
u
s
i
n
g
s
ix
A
r
d
u
i
n
o
I
/O
p
in
s
4
,
5
,
1
0
,
1
1
,
1
2
an
d
1
3
;
o
n
l
y
t
w
o
a
n
alo
g
p
in
s
A
4
an
d
A
5
ar
e
u
s
ed
.
T
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co
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to
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(
Fig
u
r
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6
)
Fig
u
r
e
5
.
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tatio
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u
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6
.
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o
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k
in
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it f
o
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2
c
lcd
co
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tio
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: t
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b
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s
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ld
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ed
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la
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ed
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8814
I
n
t J
A
d
v
A
p
p
l Sci
,
Vo
l.
9
,
No
.
2
,
J
u
n
e
2020
:
77
–
84
84
4.
RE
SU
L
T
S
T
h
e
r
esu
lt
h
as
h
elp
ed
to
s
o
lv
e
p
r
o
b
lem
s
o
f
m
an
u
al
o
p
er
atio
n
s
o
f
w
ater
p
u
m
p
i
n
g
s
y
s
te
m
.
I
t
h
as
al
s
o
d
ev
iated
f
r
o
m
u
s
a
g
e
o
f
P
I
C
m
icr
o
co
n
tr
o
ller
s
in
to
tr
en
d
i
n
g
A
r
d
u
in
o
p
latf
o
r
m
.
T
h
e
r
es
u
lt
o
f
i
m
p
le
m
en
ta
tio
n
i
s
s
h
o
w
n
in
F
i
g
u
r
e
5
;
t
h
e
HI
GH
(
+5
V)
d
r
iv
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h
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b
u
zz
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d
m
o
to
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p
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w
as
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ep
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a
b
l
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D,
s
o
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n
it
is
lit,
t
h
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p
u
m
p
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d
b
u
zz
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ON
a
n
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v
ice
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f
lo
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al
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tacts.
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s
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lit
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at
Ver
y
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g
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k
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all
t
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w
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in
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tio
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s
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th
is
j
u
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ct
u
r
e,
th
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w
ater
p
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m
p
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t o
f
f
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d
icate
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b
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FF
b
lu
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L
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D.
5.
CO
NCLU
SI
O
N
T
h
e
p
ap
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h
as
s
u
cc
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d
ed
i
n
h
i
g
h
l
ig
h
ti
n
g
t
h
e
s
i
m
p
licit
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o
f
u
s
i
n
g
A
r
d
u
i
n
o
Mic
r
o
co
n
tr
o
ller
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th
e
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g
n
s
o
f
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o
w
er
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lec
tr
o
n
ic
s
y
s
te
m
s
.
I
n
o
r
d
er
to
p
r
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lo
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g
th
e
li
f
e
o
f
t
h
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p
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m
p
,
a
D
ir
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t
-
on
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L
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e
s
tar
ter
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ld
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ag
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n
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ti
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g
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t
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n
th
is
ar
r
an
g
e
m
e
n
t,
an
o
v
e
r
lo
ad
r
elay
w
o
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ld
b
e
w
ir
ed
in
to
th
e
m
o
to
r
m
ai
n
cir
cu
it
t
h
u
s
p
r
ev
e
n
ti
n
g
o
v
er
lo
ad
s
f
r
o
m
b
u
r
n
i
n
g
i
ts
s
tat
o
r
w
in
d
i
n
g
s
.
T
h
e
f
o
llo
w
i
n
g
r
ec
o
m
m
e
n
d
atio
n
s
ar
e
m
ad
e:
1.
T
h
e
d
esig
n
ca
n
b
e
i
m
p
r
o
v
ed
b
y
h
a
v
i
n
g
m
ea
n
s
o
f
s
en
s
i
n
g
lo
w
w
a
ter
lev
el
in
th
e
s
u
m
p
to
p
r
ev
en
t
th
e
p
u
m
p
f
r
o
m
r
u
n
n
in
g
d
r
y
.
2.
An
i
n
clu
s
io
n
o
f
a
w
e
ll selecte
d
cir
cu
it b
r
ea
k
er
w
il
l p
r
o
tect
th
e
m
o
to
r
m
ai
n
cir
cu
it f
r
o
m
s
h
o
r
t c
ir
cu
it
.
3.
T
o
f
u
r
th
er
p
r
o
tect
t
h
e
w
a
ter
p
u
m
p
,
an
o
v
er
lo
ad
r
ela
y
a
n
d
a
p
h
ase
f
ail
u
r
e
r
ela
y
ca
n
b
e
in
cl
u
d
ed
i
n
th
e
s
tar
ter
u
n
it
to
p
r
o
tect
it f
r
o
m
s
i
n
g
le
p
h
asi
n
g
,
w
r
o
n
g
p
h
as
e
s
eq
u
en
ce
a
n
d
p
o
w
er
s
u
p
p
l
y
i
m
b
a
lan
ce
.
RE
F
E
R
E
NC
E
S
[1
]
Re
li
a
b
le
P
lan
t
,
“
Be
n
e
f
it
s
o
f
a
u
to
m
a
ti
o
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in
lea
n
m
a
n
u
f
a
c
tu
rin
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,
”
Re
tri
e
v
e
d
f
ro
m
:
f
ro
m
ww
w
.
re
li
a
b
lep
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t.
c
o
m
/l
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a
n
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n
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f
a
c
tu
rin
g
-
a
u
to
m
a
ti
o
n
,
A
c
c
e
s
se
d
o
n
l
in
e
2
0
1
9
.
[2
]
Ba
tes
,
M
.
P
.
,
“
P
r
o
g
ra
m
m
in
g
8
-
b
it
P
IC
m
icro
c
o
n
tr
o
l
lers
in
C
w
it
h
in
tera
c
ti
v
e
h
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rd
w
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r
e
sim
u
latio
n
,”
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w
n
e
ss
US
A
,
2
0
0
8
.
[3
]
A
d
a
f
ru
it
L
e
a
rn
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g
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m
.
I2
C/S
P
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CD
Ba
c
k
p
a
c
k
.
Re
tri
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o
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li
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e
2
0
1
8
f
ro
m
ww
w
.
le
a
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d
a
f
ru
it
.
c
o
m
/i
2
c
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i
-
lcd
-
b
a
c
k
p
a
c
k
[4
]
Ak
in
w
o
le
,
OO
,
Ola
d
i
m
e
ji
,
T
T
.
“
De
sig
n
a
n
d
im
p
le
m
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n
tatio
n
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f
Ard
u
i
n
o
m
icro
c
o
n
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e
r
b
a
se
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a
u
t
o
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a
ti
c
li
g
h
ti
n
g
c
o
n
tro
l
w
it
h
I2
C
L
CD Disp
lay
,”
J.
El
e
c
tr E
lec
tro
n
S
y
st
,
v
o
l
.
7
,
p
p
.
258
,
2
0
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[5
]
A
rd
u
in
o
T
u
t
o
rialp
o
in
t
,
p
p
.
24
-
35
,
2
0
1
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,
Re
tri
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v
e
d
o
n
li
n
e
f
ro
m
ww
w
.
tu
to
rialp
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n
t.
c
o
m
,
2
0
1
8
.
[6
]
El
e
c
tro
n
ics
Hu
b
.,
“
T
ra
n
sisto
r
a
s S
w
it
c
h
,”
Re
tri
e
v
e
d
f
ro
m
:
ww
w
.
e
le
c
tro
n
ics
h
u
b
.
o
rg
/t
ra
n
sisto
r
-
as
-
sw
it
c
h
/
,
S
e
p
2
0
1
8
.
[7
]
P
h
il
i
p
s
S
e
m
ico
n
d
u
c
to
rs
Da
tas
h
e
e
t
o
n
2
N2
2
2
2
S
w
it
c
h
in
g
T
ra
n
sisto
r
,
Re
tri
e
v
e
d
f
ro
m
:
ww
w
.
s
e
m
ico
n
d
u
c
to
rs.
p
h
i
li
p
s.c
o
m
,
2
0
1
7
.
[8
]
L
a
b
c
e
n
ter E
lec
tro
n
ics
,
P
ro
teu
s Us
e
r
m
a
n
u
a
l,
In
tell
ig
e
n
t
S
c
h
e
m
a
ti
c
In
p
u
t
S
y
ste
m
,
ww
w
.
e
le.u
v
a
.
e
s,
2
0
0
2
[9
]
Na
ra
si
m
h
a
,
R.
“
P
r
o
teu
s
P
CB De
s
ig
n
a
n
d
S
im
u
latio
n
S
o
f
tw
a
re
-
In
tr
o
d
u
c
t
io
n
”
,
ww
w
.
c
ircu
it
to
d
a
y
.
c
o
m
,
2
0
1
7
[1
0
]
Ak
in
w
o
le,
OO
,
“
De
sig
n
a
n
d
im
p
le
m
e
n
tatio
n
o
f
a
n
e
lec
tri
c
c
o
o
k
e
r
c
o
n
tr
o
l
a
s a
m
e
a
n
s o
f
p
re
v
e
n
ti
n
g
d
o
m
e
stic
f
ire
in
c
id
e
n
c
e
”
J
o
u
r
n
a
l
o
f
En
g
in
e
e
rin
g
Rea
e
a
rc
h
a
n
d
Rep
o
rts
,
v
o
l.
4
,
n
o
.
3
,
p
p
.
1
-
9
,
2
0
1
9
.
[1
1
]
Ho
ro
w
it
z
,
P
.
,
Hil
l,
W
.
,
T
h
e
Art
o
f
El
e
c
tro
n
i.
c
s
,
Ca
m
b
rid
g
e
Un
iv
e
rsity
P
re
ss
,
1
9
8
9
.
Evaluation Warning : The document was created with Spire.PDF for Python.