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o
tr
ac
k
th
e
t
im
in
g
o
f
th
e
s
wap
p
in
g
b
y
th
e
em
p
lo
y
ee
wh
ich
was
l
o
w
co
s
t
an
d
ef
f
ec
tiv
e
with
th
e
h
elp
o
f
m
icr
o
co
n
t
r
o
ller
s
s
u
ch
as
AT
8
9
C
5
2
[
1
]
–
[
3
]
.
As
r
esear
ch
p
r
o
g
r
ess
m
o
b
ile
g
en
er
atio
n
im
p
r
o
v
ed
an
d
h
en
ce
with
a
p
p
licatio
n
o
v
er
m
o
b
ile
th
e
o
f
f
ice
au
to
m
atio
n
s
ab
le
to
m
o
in
ito
r
u
s
in
g
t
h
e
m
o
b
ile
s
u
ch
as
s
ch
ed
u
lin
g
a
m
ee
tin
g
an
d
tr
ac
k
in
g
th
e
p
e
o
p
le
atten
d
in
g
th
e
m
ee
tin
g
[
4
]
.
Su
ch
au
to
m
atio
n
u
s
in
g
m
o
b
il
e
tech
n
o
lo
g
ies
a
n
d
u
s
in
g
o
th
er
b
o
ar
d
m
a
d
e
o
f
lo
w
-
c
o
s
t
m
i
c
r
o
co
n
tr
o
ller
f
o
r
h
o
m
e
an
d
o
f
f
ice
m
a
n
ag
em
e
n
t
p
lay
ed
a
m
ajo
r
r
o
le
with
GPR
S
an
d
in
ter
n
et
[
5
]
.
T
h
e
au
to
m
atio
n
s
n
ee
d
a
p
r
o
p
er
s
ec
u
r
it
y
to
co
n
tr
o
l
th
e
d
ata
f
o
r
th
e
p
r
o
p
er
m
ain
ten
an
ce
o
f
th
e
s
y
s
tem
[
6
]
.
T
o
d
ay
s
th
e
p
r
i
m
e
co
n
ce
r
s
is
to
e
n
er
g
y
m
an
a
g
em
en
t
o
f
th
e
o
f
f
ice
en
v
ir
o
n
m
en
t
wh
e
r
e
th
e
em
p
l
o
y
e
wo
r
k
in
g
o
n
co
m
p
u
tin
g
s
y
s
tem
s
,
lig
h
tn
in
g
o
f
th
e
d
a
y
tim
e
to
s
u
p
p
o
r
t
th
e
n
ec
ess
ar
y
an
d
m
ain
tain
ed
ill
u
m
in
an
ce
.
T
o
c
o
n
tr
o
l
th
e
e
n
er
g
y
an
d
m
an
ag
e
it
n
ee
d
m
i
cr
o
co
n
tr
o
ller
s
an
d
elec
tr
ical
co
m
p
o
n
en
ts
an
d
el
ec
tr
ical
ap
p
lian
ce
s
wh
ic
h
n
e
ed
a
co
n
tr
o
l
alg
o
r
ith
m
[
7
]
–
[
1
1
]
.
T
h
e
elec
tr
ical
ap
p
lian
ce
s
s
u
ch
as
air
-
co
n
d
it
io
n
er
,
f
an
s
,
an
d
o
th
e
r
v
e
n
till
atio
n
s
y
s
tem
s
to
b
e
m
o
n
ito
r
ed
f
o
r
th
e
p
r
o
p
e
r
f
u
n
ctio
n
in
g
an
d
its
u
s
ag
e
[
1
1
]
–
[
1
6
]
.
T
h
e
d
esig
n
d
em
a
n
d
to
in
v
o
lv
e
an
d
d
esig
n
s
y
s
tem
m
o
r
e
o
f
ev
en
t
d
r
iv
en
u
s
er
ce
n
tr
ic
m
id
d
lewa
r
e
a
n
d
g
iv
e
s
o
lu
tio
n
m
r
e
d
is
tr
ib
u
tio
n
s
ap
p
r
o
ac
h
f
o
r
s
y
s
tem
d
esig
n
to
co
n
f
ilict
in
th
e
ev
en
ts
th
at
o
cc
u
r
r
in
g
in
th
e
o
f
f
ice
m
an
ag
e
m
en
t
a
u
to
m
at
io
n
[
1
0
]
–
[
1
8
]
.
Su
c
h
au
t
o
m
at
io
n
l
ea
d
s
to
s
m
ar
t
s
y
s
tem
s
d
u
e
to
s
o
f
twar
e.
W
it
h
th
e
h
elp
o
f
th
e
s
o
f
twar
e
th
e
wo
r
k
in
g
en
v
ir
o
n
m
en
t
p
r
o
v
i
d
in
g
atten
d
ee
s
with
h
ig
h
in
f
o
r
m
atio
n
ac
q
u
is
itio
n
an
d
ex
ch
an
g
e
o
f
s
p
ac
e
a
n
d
p
r
o
v
id
in
g
a
b
etter
ef
f
icien
cy
o
f
o
f
f
ice
o
r
g
an
is
atio
n
[
1
9
]
–
[
2
1
]
.
O
f
f
ice
au
to
m
atio
n
p
r
o
v
id
es
o
u
tco
m
es
b
etter
h
u
m
an
in
ter
ac
tio
n
s
an
d
m
o
b
ilit
y
p
atter
n
s
in
in
d
o
o
r
s
p
ac
es
o
f
f
ice
en
v
ir
o
n
m
e
n
ts
[
2
2
]
,
[
2
3
]
.
T
h
e
s
o
f
twar
e
ap
p
licatio
n
s
ar
e
d
ev
elo
p
ed
u
s
i
n
g
J
av
a
to
m
ak
e
in
ter
ac
tiv
e
o
f
f
ice
a
u
to
m
atio
n
s
y
s
tem
[
2
4
]
.
2.
O
F
F
I
CE
M
ANAG
E
M
E
NT
AND
T
H
E
I
R
T
E
CH
NO
L
O
G
I
E
S
Fig
u
r
e
1
r
ep
r
esen
ts
th
e
s
y
s
tem
ar
ch
itectu
r
e
o
f
an
au
t
o
m
ated
o
f
f
ice
en
v
ir
o
n
m
en
t
s
y
s
tem
u
s
in
g
in
f
r
ar
ed
(
IR
)
an
d
R
F
Sen
s
o
r
s
th
at
h
as
b
ee
n
im
p
lem
en
te
d
f
o
r
th
is
p
r
o
ject.
T
h
e
s
y
s
tem
m
ai
n
ly
co
n
s
titu
tes
o
f
a
Ser
v
er
,
a
L
AN,
a
r
a
d
io
f
r
eq
u
e
n
cy
id
en
tific
atio
n
(
R
FID
)
r
ea
d
er
an
d
a
M
o
b
ile.
F
ig
u
re
1
.
Sy
s
tem
ar
c
h
itectu
r
e
o
f
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
As
s
h
o
wn
in
Fig
u
r
e
2
,
Of
f
ice
m
an
ag
em
en
t
s
y
s
tem
s
in
clu
d
e
elec
tr
o
n
ic
o
f
f
ice
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ce
s
s
o
r
ies,
elec
tr
o
n
ic
s
ch
ed
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lin
g
,
an
d
task
m
an
ag
e
m
en
t.
T
h
ese
s
y
s
tem
s
p
r
o
v
id
e
an
elec
tr
o
n
ic
m
ea
n
s
o
f
o
r
g
an
i
zin
g
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p
le,
p
r
o
jects,
an
d
d
ata.
B
u
s
in
ess
d
ates,
a
p
p
o
in
tm
en
ts
,
n
o
tes,
an
d
clien
t
c
o
n
tact
in
f
o
r
m
atio
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ca
n
b
e
c
r
e
ated
,
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ited
,
s
to
r
e
d
,
an
d
r
etr
iev
ed
.
Ad
d
itio
n
ally
,
a
u
to
m
atic
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em
in
d
er
s
ab
o
u
t
cr
u
cial
d
ates
an
d
ap
p
o
in
tm
en
ts
ca
n
b
e
p
r
o
g
r
am
m
ed
.
S
er
v
er
M
o
b
i
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RFID
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e
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r
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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2
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8
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4
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ar
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20
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:
34
-
48
36
Pro
jects a
n
d
task
s
ca
n
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e
allo
ca
ted
,
s
u
b
d
iv
id
e
d
,
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d
p
lan
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e
d
.
All th
ese
ac
tio
n
s
ca
n
eith
er
b
e
d
o
n
e
in
d
i
v
id
u
ally
o
r
f
o
r
a
n
en
tire
g
r
o
u
p
.
C
o
m
p
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ized
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y
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at
au
to
m
ate
th
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o
f
f
ice
f
u
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ctio
n
s
ca
n
d
r
am
atica
lly
in
cr
ea
s
e
p
r
o
d
u
ctiv
ity
an
d
im
p
r
o
v
e
co
m
m
u
n
icatio
n
with
in
a
n
o
r
g
an
iza
tio
n
.
Fig
u
r
e
2
.
Ov
e
r
v
iew
o
f
th
e
m
ee
tin
g
s
ch
ed
u
lin
g
s
y
s
tem
3.
DE
S
I
G
N
AND
I
M
P
L
E
M
E
N
T
AT
I
O
N
T
h
e
Fig
u
r
e
s
3
,
4
,
an
d
5
s
h
o
w
th
e
b
lo
ck
d
iag
r
am
o
f
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
th
at
h
as
b
ee
n
d
esig
n
e
d
an
d
im
p
lem
e
n
ted
.
Fig
u
r
e
3
.
B
lo
ck
d
iag
r
am
o
f
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
Fig
u
r
e
4
.
B
lo
ck
d
iag
r
am
o
f
d
o
o
r
en
tr
a
n
ce
s
y
s
tem
E
mpl
o
y
e
e
Of
f
i
c
e
E
nt
r
a
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e
/
D
o
o
r
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R
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pl
o
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M
o
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Evaluation Warning : The document was created with Spire.PDF for Python.
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Desig
n
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to
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tem
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(
A
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ma
r
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37
Fig
u
r
e
5
.
B
lo
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d
iag
r
am
o
f
e
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p
lo
y
ee
s
y
s
tem
/m
o
n
ito
r
3
.
1
.
O
f
f
ice
a
ut
o
m
a
t
io
n sy
s
t
em
s
Of
f
ice
au
to
m
ati
o
n
r
ef
er
s
t
o
t
h
e
v
a
r
ied
c
o
m
p
u
ter
m
ac
h
in
er
y
an
d
s
o
f
twar
e
u
s
ed
to
d
ig
ita
lly
cr
ea
te,
co
llect,
s
to
r
e,
m
a
n
ip
u
late,
an
d
r
elay
o
f
f
ice
in
f
o
r
m
atio
n
n
ee
d
ed
f
o
r
ac
co
m
p
lis
h
in
g
b
asic
ta
s
k
s
an
d
g
o
als.
R
aw
d
ata
s
to
r
ag
e,
elec
tr
o
n
ic
tr
an
s
f
er
,
an
d
th
e
m
an
a
g
em
en
t
o
f
elec
tr
o
n
ic
b
u
s
in
ess
in
f
o
r
m
atio
n
co
m
p
r
is
e
th
e
b
asic
ac
tiv
ities
o
f
an
o
f
f
ice
a
u
to
m
atio
n
s
y
s
tem
.
I
n
its
b
asic
f
o
r
m
,
in
f
o
r
m
a
tio
n
e
x
is
ts
as
lette
r
s
,
m
em
o
s
,
g
r
a
p
h
s
,
r
ec
o
r
d
s
,
m
ess
ag
es,
an
d
s
o
o
n
.
W
h
en
th
at
in
f
o
r
m
atio
n
is
e
lectr
o
n
ically
tr
an
s
f
er
r
ed
,
r
aw
d
ata
is
ex
ch
an
g
ed
b
etwe
en
two
o
r
m
o
r
e
o
f
f
ice
e
m
p
lo
y
ee
s
,
eith
er
at
th
e
s
am
e
o
r
d
if
f
e
r
en
t
lo
ca
tio
n
s
.
Ge
n
er
a
lly
,
th
er
e
ar
e
th
r
ee
b
asic a
ctiv
ities
o
f
an
o
f
f
ice
a
u
t
o
m
atio
n
s
y
s
tem
wh
ich
ar
e
lis
ted
:
−
Data
s
to
r
ag
e
an
d
m
a
n
ip
u
latio
n
−
Data
ex
ch
an
g
e
−
Data
m
an
ag
em
en
t
3
.
2
.
Da
t
a
s
t
o
r
a
g
e
a
nd
m
a
nip
ula
t
io
n
Data
s
to
r
ag
e
u
s
u
ally
in
clu
d
es
o
f
f
ice
r
ec
o
r
d
s
an
d
o
th
er
p
r
i
m
ar
y
o
f
f
ice
f
o
r
m
s
an
d
d
o
cu
m
en
ts
.
Data
ap
p
licatio
n
s
in
clu
d
e
th
e
ca
p
tu
r
e
an
d
e
d
itin
g
o
f
a
f
ile,
im
ag
e,
o
r
s
p
r
ea
d
s
h
ee
t.
W
o
r
d
p
r
o
c
ess
in
g
an
d
d
esk
to
p
p
r
esen
tatio
n
p
ac
k
ag
es
ac
co
m
m
o
d
ate
r
aw
tex
tu
al
a
n
d
g
r
ap
h
ical
d
ata,
wh
ile
s
p
r
ea
d
s
h
ee
t
ap
p
licatio
n
s
en
ab
le
th
e
ea
s
y
m
an
ip
u
latio
n
an
d
o
u
t
p
u
t
o
f
n
u
m
b
er
s
.
I
m
a
g
e
ap
p
licatio
n
s
allo
w
th
e
ca
p
tu
r
e
an
d
ed
itin
g
o
f
v
is
u
al
im
ag
es.
T
ex
t
-
h
an
d
lin
g
s
o
f
tw
ar
e
an
d
s
y
s
tem
s
co
v
er
t
h
e
wh
o
le
f
ield
o
f
wo
r
d
p
r
o
ce
s
s
in
g
an
d
d
esk
to
p
p
u
b
lis
h
in
g
.
W
o
r
d
p
r
o
ce
s
s
in
g
is
th
e
in
p
u
t
(
u
s
u
ally
v
ia
k
ey
b
o
ar
d
)
a
n
d
m
a
n
ip
u
latio
n
o
f
t
ex
t
o
n
a
co
m
p
u
ter
.
W
o
r
d
p
r
o
ce
s
s
in
g
is
f
r
e
q
u
en
tly
th
e
m
o
s
t b
asic a
n
d
c
o
m
m
o
n
o
f
f
ice
au
to
m
atio
n
ac
tiv
ity
.
3
.
3
.
Da
t
a
e
x
cha
ng
e
T
h
e
ex
ch
an
g
e
o
f
s
to
r
ed
a
n
d
m
an
ip
u
lated
in
f
o
r
m
atio
n
is
an
e
q
u
ally
im
p
o
r
tan
t
c
o
m
p
o
n
en
t o
f
an
o
f
f
ice
au
to
m
atio
n
s
y
s
tem
.
E
lectr
o
n
ic
tr
an
s
f
er
is
a
g
en
e
r
al
ap
p
licatio
n
ar
ea
th
at
h
i
g
h
lig
h
ts
th
e
ex
ch
a
n
g
e
o
f
in
f
o
r
m
atio
n
b
etwe
en
m
o
r
e
t
h
an
o
n
e
u
s
er
o
r
p
ar
ticip
a
n
t.
E
lectr
o
n
ic
m
ail,
v
o
ice
m
ail
,
an
d
f
ac
s
im
ile
ar
e
ex
am
p
les
o
f
elec
tr
o
n
ic
tr
an
s
f
er
ap
p
licatio
n
s
.
Sy
s
tem
s
th
at
allo
w
in
s
tan
tan
eo
u
s
o
r
"r
ea
l
tim
e"
tr
an
s
f
er
o
f
in
f
o
r
m
atio
n
(
i.e
.
,
o
n
lin
e
c
o
n
v
er
s
atio
n
s
v
ia
co
m
p
u
ter
o
r
au
d
io
ex
c
h
an
g
e
with
v
i
d
eo
ca
p
t
u
r
e)
a
r
e
co
n
s
id
er
ed
elec
tr
o
n
ic
s
h
ar
in
g
s
y
s
tem
s
.
E
lectr
o
n
ic
s
h
ar
in
g
s
o
f
twar
e
illu
s
tr
ates
th
e
co
llab
o
r
ativ
e
n
atu
r
e
o
f
m
an
y
o
f
f
ice
au
to
m
atio
n
s
y
s
tem
s
.
T
h
e
d
i
s
tin
ctio
n
b
etwe
en
elec
tr
o
n
ic
tr
an
s
f
er
an
d
elec
tr
o
n
ic
s
h
a
r
in
g
is
s
u
b
tle
b
u
t
r
ec
o
g
n
izab
le
.
P
r
o
to
co
ls
to
d
ea
l w
ith
m
o
b
ilit
y
m
ay
b
e
u
n
n
ec
e
s
s
ar
y
an
d
o
v
e
r
weig
h
t.
3
.
4
.
Da
t
a
m
a
na
g
e
m
ent
T
h
e
last
m
ajo
r
co
m
p
o
n
en
t
o
f
an
o
f
f
ice
au
to
m
atio
n
s
y
s
tem
,
wh
ich
ca
n
b
e
s
ee
n
in
Fig
u
r
e
6
,
o
f
f
er
s
p
lan
n
in
g
an
d
s
tr
ateg
ic
a
d
v
an
t
ag
es
b
y
s
im
p
lify
in
g
th
e
m
an
a
g
em
en
t
o
f
s
to
r
e
d
in
f
o
r
m
atio
n
.
T
ask
m
an
a
g
em
en
t,
tick
ler
s
y
s
tem
s
o
r
r
em
in
d
er
s
y
s
tem
s
,
an
d
s
ch
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lin
g
p
r
o
g
r
am
s
m
o
n
ito
r
an
d
co
n
tr
o
l
v
ar
io
u
s
p
r
o
jects
an
d
ac
tiv
ities
with
in
th
e
o
f
f
ice.
E
lectr
o
n
ic
m
an
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g
em
en
t
s
y
s
tem
s
m
o
n
ito
r
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co
n
tr
o
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o
f
f
ice
ac
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ities
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Fig
u
r
e
6
.
T
y
p
ical
d
ata
m
a
n
ag
e
m
en
t sy
s
tem
3
.
5
.
Cho
o
s
ing
o
f
f
ice
a
uto
m
a
t
io
n so
f
t
wa
re
Of
f
ice
au
to
m
atio
n
s
o
f
twar
e
w
as
d
esig
n
ed
t
o
tak
e
ev
e
n
th
e
m
o
s
t
d
is
o
r
g
an
ize
d
o
f
f
ice
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d
h
elp
it
t
o
r
u
n
s
m
o
o
th
ly
.
E
v
en
o
f
f
ices
t
h
at
s
ee
m
to
r
u
n
s
m
o
o
th
l
y
ca
n
r
ea
p
o
r
g
an
izatio
n
al
r
ewa
r
d
s
f
r
o
m
u
tili
zin
g
a
s
o
f
twar
e
p
ac
k
a
g
e
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m
an
ag
e
t
h
eir
d
a
y
-
to
-
d
ay
c
o
n
ce
r
n
s
.
As
m
o
r
e
a
n
d
m
o
r
e
ty
p
es
o
f
b
u
s
in
ess
ar
e
tu
r
n
i
n
g
t
o
co
m
p
u
ter
a
u
to
m
a
tio
n
,
m
an
y
s
p
ec
ialized
o
p
tio
n
s
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a
v
e
em
er
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th
e
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ar
k
et.
A
s
o
f
twar
e
p
ac
k
ag
e
s
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o
u
ld
m
ak
e
r
u
n
n
in
g
o
u
r
o
f
f
ice
less
o
f
a
ch
o
r
e,
n
o
t
m
o
r
e.
T
h
e
n
et
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atin
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o
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e
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o
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u
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in
ess
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A
p
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o
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o
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ld
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ak
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e
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d
s
ch
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u
lin
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a
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p
o
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n
tm
en
ts
a
b
r
ee
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.
I
f
o
u
r
o
f
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ice
m
an
ag
em
en
t
s
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m
a
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ice
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o
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en
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o
t g
o
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e
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er
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o
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tili
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it.
3
.
6
.
E
x
y
pn
o
s
o
f
f
ice
s
y
s
t
em
Fig
u
r
e
3
s
h
o
ws
th
e
f
u
n
ctio
n
al
b
lo
ck
d
iag
r
am
o
f
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
,
in
wh
ich
th
e
m
ain
b
lo
ck
o
f
th
e
s
y
s
tem
is
th
e
s
er
v
er
th
at
m
ain
tain
s
all
th
e
in
f
o
r
m
atio
n
r
elate
d
to
th
e
em
p
lo
y
ee
.
T
h
e
in
f
o
r
m
atio
n
wh
ich
will
b
e
s
to
r
ed
in
th
e
s
er
v
er
wi
ll
b
e
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tili
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y
all
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th
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eso
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r
ce
s
s
u
ch
as
th
e
R
F
r
ea
d
er
w
h
ich
is
u
s
ed
to
r
ea
d
th
e
R
FID
tag
in
f
o
r
m
atio
n
o
f
th
e
em
p
lo
y
ee
an
d
th
at
in
f
o
r
m
atio
n
is
s
to
r
ed
in
th
e
s
er
v
e
r
.
T
h
e
in
f
o
r
m
atio
n
r
elate
d
to
th
e
e
m
p
lo
y
ee
s
y
s
tem
s
u
ch
as
in
ter
n
et
p
r
o
to
co
l
(
IP
)
ad
d
r
ess
an
d
m
ed
ia
ac
c
ess
co
n
tr
o
l
(
MA
C
)
ad
d
r
ess
is
also
m
ain
tain
ed
in
th
e
s
er
v
er
a
n
d
th
e
em
p
lo
y
ee
m
o
b
ile
n
u
m
b
er
is
also
s
to
r
ed
in
th
e
s
er
v
er
.
T
h
e
o
th
er
s
ec
tio
n
s
in
th
e
b
lo
ck
d
iag
r
am
s
u
ch
as
th
e
I
R
s
y
s
tem
an
d
e
m
p
lo
y
ee
s
y
s
tem
,
will
b
e
ex
p
lain
ed
in
th
e
co
m
in
g
s
ec
tio
n
s
alo
n
g
with
th
e
wo
r
k
in
g
p
r
in
ci
p
le
o
f
th
e
b
lo
ck
d
iag
r
am
.
Fig
u
r
e
4
s
h
o
ws
th
e
b
lo
c
k
d
i
ag
r
am
o
f
t
h
e
d
o
o
r
en
tr
a
n
ce
s
y
s
tem
wh
ich
is
th
e
f
ir
s
t
b
lo
ck
o
f
th
e
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
in
wh
i
ch
a
p
ass
iv
e
in
f
r
a
r
ed
(
PIR
)
s
e
n
s
o
r
,
m
icr
o
co
n
t
r
o
ller
,
an
d
s
tep
p
er
m
o
to
r
ar
e
u
s
ed
.
T
h
e
PIR
s
en
s
o
r
is
a
p
y
r
o
ele
ctr
ic
d
ev
ice
th
at
d
etec
ts
m
o
ti
o
n
b
y
m
ea
s
u
r
in
g
ch
a
n
g
es
i
n
th
e
i
n
f
r
ar
e
d
le
v
els
em
itted
b
y
s
u
r
r
o
u
n
d
in
g
o
b
jec
ts
.
T
h
is
m
o
tio
n
ca
n
b
e
d
etec
ted
b
y
ch
ec
k
in
g
f
o
r
a
h
ig
h
s
ig
n
al
o
n
a
s
in
g
le
I
/
O
p
in
.
T
h
e
PIR
s
en
s
o
r
r
eq
u
ir
es
a
‘
war
m
-
u
p
’
tim
e
to
f
u
n
ctio
n
p
r
o
p
er
l
y
.
T
h
is
is
d
u
e
to
th
e
s
e
ttli
n
g
tim
e
in
v
o
lv
ed
in
‘
lear
n
in
g
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its
en
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ir
o
n
m
en
t.
T
h
is
co
u
ld
b
e
a
n
y
wh
er
e
f
r
o
m
1
0
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6
0
s
ec
o
n
d
s
.
Du
r
i
n
g
th
is
tim
e
th
er
e
s
h
o
u
l
d
b
e
as
litt
le
m
o
tio
n
as
p
o
s
s
ib
l
e
in
th
e
s
en
s
o
r
s
f
ield
o
f
v
iew.
T
h
e
PIR
s
en
s
o
r
h
as
a
r
an
g
e
o
f
ap
p
r
o
x
im
ately
2
0
f
ee
t.
T
h
is
ca
n
v
a
r
y
with
e
n
v
ir
o
n
m
e
n
tal
co
n
d
itio
n
s
.
T
h
e
s
en
s
o
r
is
d
esig
n
ed
to
ad
ju
s
t
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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f
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N:
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4
8
6
4
Desig
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39
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m
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An
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ts
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ated
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ir
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ad
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ee
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ed
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av
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th
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ai
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Su
n
Mic
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h
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d
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NI
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wo
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k
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s
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d
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at
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I
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ices a
n
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if
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er
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n
t a
p
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licatio
n
p
r
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g
r
a
m
m
in
g
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ter
f
ac
es (
API
s
)
.
−
J
av
a's
h
ig
h
er
lev
el
o
f
ab
s
tr
ac
t
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n
allo
ws
f
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r
in
c
r
ea
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ed
p
r
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m
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alth
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izin
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th
at
th
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tr
ad
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f
f
is
r
u
n
tim
e
ef
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icien
cy
)
−
J
av
a
is
r
elativ
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ea
s
ier
to
m
aster
th
an
C
++
−
J
av
a
is
r
elativ
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s
ec
u
r
e,
k
ee
p
in
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s
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co
m
p
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ts
(
in
clu
d
in
g
th
e
J
VM
its
elf
)
p
r
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tecte
d
f
r
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m
o
n
e
an
o
th
er
−
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av
a
s
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p
p
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ts
d
y
n
am
ic
lo
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d
in
g
o
f
n
ew
class
es
−
J
av
a
is
h
ig
h
ly
d
y
n
am
ic,
s
u
p
p
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g
o
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ject
a
n
d
th
r
ea
d
cr
ea
tio
n
at
r
u
n
tim
e
−
J
av
a
is
d
esig
n
ed
to
s
u
p
p
o
r
t c
o
m
p
o
n
e
n
t in
teg
r
atio
n
an
d
r
eu
s
e
−
T
h
e
J
av
a
tech
n
o
lo
g
ies
h
av
e
b
ee
n
d
ev
elo
p
e
d
with
ca
r
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l
c
o
n
s
id
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,
d
e
p
en
d
i
n
g
o
n
th
e
co
n
s
er
v
ativ
e
s
id
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g
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ce
p
ts
an
d
tech
n
i
q
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es th
at
h
av
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b
ee
n
s
cr
u
tin
ize
d
b
y
th
e
co
m
m
u
n
ity
−
T
h
e
J
av
a
p
r
o
g
r
am
m
in
g
lan
g
u
a
g
e
an
d
J
av
a
p
latf
o
r
m
s
s
u
p
p
o
r
t
ap
p
licatio
n
p
o
r
tab
ilit
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−
T
h
e
J
av
a
tech
n
o
lo
g
ies s
u
p
p
o
r
t
d
is
tr
ib
u
ted
ap
p
licatio
n
s
−
J
av
a
p
r
o
v
id
es we
ll
-
d
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ed
e
x
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u
tio
n
s
em
an
tics
3
.
7
.
1
.
E
x
y
pn
o
s
w
elco
m
e
s
cr
ee
n
Fig
u
r
e
7
s
h
o
ws
th
e
welc
o
m
e
s
cr
ee
n
o
f
th
e
p
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o
ject,
wh
ich
i
s
d
ev
elo
p
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u
s
in
g
J
av
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d
ev
el
o
p
m
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t
k
it,
th
e
in
itial
s
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f
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p
r
o
ject
.
T
h
e
m
ain
g
r
ap
h
ical
u
s
er
i
n
ter
f
ac
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GUI
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will
b
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v
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o
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n
am
ed
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ea
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ter
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GUI
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T
h
e
E
x
y
p
n
o
s
l
o
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class
will
lo
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th
e
E
x
y
p
n
o
s
welc
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m
e
s
cr
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n
class
.
B
ef
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lo
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g
,
t
h
e
lo
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ch
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k
f
o
r
t
h
e
im
ag
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in
th
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r
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ir
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in
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ir
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to
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e
n
th
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with
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th
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th
e
GUI
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d
it will set th
e
s
cr
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n
s
ize.
Fig
u
r
e
7
.
W
elco
m
e
s
cr
ee
n
o
f
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
3
.
7
.
2
.
Da
t
a
ha
nd
lin
g
o
f
E
x
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pn
o
s
o
f
f
ice
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y
s
t
em
Fig
u
r
e
8
s
h
o
ws
th
e
d
ata
h
an
d
l
in
g
o
f
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
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,
wh
ich
is
th
e
m
o
s
t
im
p
o
r
tan
t
s
ec
tio
n
o
f
th
e
s
y
s
tem
.
T
h
is
is
u
s
ed
t
o
e
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ter
th
e
em
p
l
o
y
ee
d
etails
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y
th
e
ad
m
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is
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ato
r
in
th
e
b
lan
k
f
ield
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as
s
h
o
wn
in
Fig
u
r
e
8
.
Af
ter
th
e
E
x
y
p
n
o
s
o
f
f
ice
is
lo
ad
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in
to
th
e
s
y
s
t
em
tr
ay
,
th
e
E
x
y
p
n
o
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lo
ad
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will
lo
ad
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d
ata
h
an
d
lin
g
s
ec
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to
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ter
th
e
em
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d
etails,
s
u
ch
as
em
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lo
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ee
R
FID
th
at
will
b
e
en
t
er
ed
th
r
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g
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ial
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m
p
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ts
.
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h
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em
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lo
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’s
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ir
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t
n
am
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last
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ter
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d
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lo
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t
u
s
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g
th
e
J
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p
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ch
API
.
T
h
e
e
m
p
lo
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ee
m
o
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ile
n
u
m
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will
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ter
e
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en
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o
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th
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ch
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to
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e
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lo
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m
o
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ile
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u
m
b
er
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T
h
e
SMS
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b
e
s
en
t
u
s
in
g
J
av
a
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licatio
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g
r
a
m
m
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ter
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API
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.
T
h
e
s
y
s
tem
I
P
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d
MA
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4
8
6
4
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
11
,
No
.
1
,
M
ar
c
h
20
22
:
34
-
48
40
au
to
m
atica
lly
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o
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td
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.
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h
e
e
m
p
lo
y
ee
im
ag
e
will
b
e
ca
p
t
u
r
ed
u
s
in
g
a
s
im
p
le
web
ca
m
,
wh
ich
will
b
e
ass
o
ci
ated
b
y
J
av
a
m
ed
ia
f
r
am
ewo
r
k
.
Af
ter
th
e
ad
m
in
is
tr
ato
r
h
as
en
ter
ed
all
th
e
d
ata,
th
e
in
f
o
r
m
atio
n
ca
n
b
e
s
av
e
d
,
u
p
d
ated
,
o
r
d
elete
d
.
T
h
e
em
p
l
o
y
ee
in
f
o
r
m
atio
n
will
b
e
s
to
r
e
d
in
th
e
Mic
r
o
s
o
f
t
Acc
ess
d
atab
ase,
wh
ich
i
s
cr
e
ated
with
J
av
a
d
ata
b
ase
cr
ea
t
io
n
(
J
DB
C
)
.
T
h
e
ad
m
in
is
tr
ato
r
m
u
s
t
en
s
u
r
e
th
at
n
o
f
ield
s
in
th
e
d
ata
h
an
d
le
r
s
h
o
u
ld
b
e
lef
t
b
la
n
k
a
n
d
in
ca
s
e
if
it
is
lef
t
b
lan
k
.
T
h
er
e
will
b
e
an
er
r
o
r
m
ess
ag
e
s
tatin
g
th
at
th
e
f
ield
s
ca
n
n
o
t
b
e
lef
t
b
lan
k
.
I
f
th
e
m
o
b
ile
n
u
m
b
er
en
ter
ed
is
less
th
an
1
0
n
u
m
b
er
s
,
th
e
n
o
n
e
m
o
r
e
er
r
o
r
m
ess
ag
e
will b
e
d
i
s
p
lay
ed
as m
o
b
ile
n
u
m
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er
s
h
o
u
ld
n
o
t le
s
s
th
an
1
0
n
u
m
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er
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.
Fig
u
r
e
8
.
Data
h
a
n
d
lin
g
o
f
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
3
.
7
.
3
.
Set
t
ing
o
f
c
o
m
p
o
rt
s
Fig
u
r
e
9
s
h
o
ws
th
e
s
ettin
g
o
f
th
e
co
m
p
o
r
ts
f
o
r
th
e
R
F
r
ea
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er
an
d
f
o
r
m
o
b
ile
co
m
m
u
n
ica
tio
n
,
af
ter
r
eg
is
ter
in
g
th
e
co
m
p
o
r
ts
th
e
c
o
m
p
o
r
t
s
ettin
g
s
m
u
s
t
b
e
m
ad
e
to
r
ec
eiv
e
th
e
d
ata
f
r
o
m
th
e
R
F
r
ea
d
er
an
d
s
en
d
th
e
d
ata
to
th
e
em
p
lo
y
ee
m
o
b
ile.
T
h
is
is
im
p
o
r
tan
t
b
ec
au
s
e,
if
th
e
co
m
p
o
r
ts
wh
ich
ar
e
r
eg
is
ter
ed
ea
r
lier
as
ca
n
b
e
u
s
ed
b
y
o
th
er
a
p
p
lica
tio
n
s
.
T
h
e
co
m
p
o
r
t
r
eg
is
ter
e
d
f
o
r
m
o
b
ile
co
m
m
u
n
icatio
n
is
C
O
M2
an
d
th
e
m
o
b
ile
co
m
m
u
n
icatio
n
is
d
o
n
e
th
r
o
u
g
h
C
OM
5
,
t
h
en
t
h
er
e
will
b
e
n
o
i
n
f
o
r
m
atio
n
tr
a
n
s
f
er
r
ed
th
o
r
o
u
g
h
th
at
co
m
p
o
r
t.
Af
ter
t
h
e
r
eg
is
ter
in
g
o
f
th
e
p
o
r
ts
is
estab
lis
h
ed
,
th
e
E
x
y
p
n
o
s
o
f
f
ice
GUI
will
b
e
lo
ad
e
d
i
n
to
t
h
e
s
y
s
tem
tr
ay
.
Af
ter
th
e
GUI
i
s
lo
ad
ed
in
th
e
s
y
s
tem
tr
ay
,
th
e
E
x
y
p
n
o
s
lo
ad
er
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wil
l
lo
ad
th
e
E
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n
o
s
s
ettin
g
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clas
s
f
o
r
th
e
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ettin
g
o
f
s
u
itab
le
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m
p
o
r
ts
,
t
h
e
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
will
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av
e
to
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e
r
estar
ted
o
n
ce
th
e
s
ettin
g
s
h
av
e
b
ee
n
m
o
d
if
ie
d
.
Fig
u
r
e
9
.
Settin
g
o
f
c
o
m
p
o
r
ts
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
I
SS
N:
2089
-
4
8
6
4
Desig
n
a
n
d
imp
leme
n
ta
tio
n
o
f
a
n
a
u
to
ma
ted
o
ffice
en
viro
n
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en
t sys
tem
u
s
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emb
ed
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ed
…
(
A
n
il K
u
ma
r
)
41
3
.
7
.
4
.
O
v
er
a
ll
v
iewe
r
o
f
E
x
y
pn
o
s
o
f
f
ice
s
y
s
t
em
Fig
u
r
e
10
s
h
o
ws
th
e
o
v
er
all
v
iewe
r
o
f
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
.
Af
ter
th
e
GUI
is
lo
ad
e
d
in
to
th
e
s
y
s
tem
tr
ay
,
th
e
E
x
y
p
n
o
s
lo
a
d
er
class
will
lo
ad
th
e
E
x
y
p
n
o
s
v
iewe
r
class
.
T
h
is
will
b
e
u
s
ed
t
o
v
iew
th
e
o
v
er
all
in
f
o
r
m
atio
n
o
f
th
e
em
p
lo
y
ee
,
s
u
ch
as
n
am
e,
I
D
n
u
m
b
er
,
R
FID
n
u
m
b
er
,
I
P,
an
d
MA
C
ad
d
r
ess
o
f
th
e
s
y
s
tem
.
Alo
n
g
with
th
is
in
f
o
r
m
atio
n
,
th
e
em
p
lo
y
ee
lo
g
in
,
l
o
g
o
u
t
tim
e,
e
m
p
lo
y
ee
s
ch
e
d
u
l
es
an
d
th
e
s
tatu
s
o
f
th
e
em
p
lo
y
ee
i.e
.
,
if
th
e
em
p
l
o
y
ee
h
as
lo
g
g
ed
i
n
,
th
e
n
it
will
b
e
s
h
o
wn
as
ac
tiv
e.
I
f
th
e
e
m
p
lo
y
ee
h
as
lo
g
g
ed
o
u
t,
th
e
n
it
will
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e
s
h
o
w
n
as
in
ac
tiv
e.
T
h
e
m
ain
a
d
v
an
tag
e
o
f
th
is
v
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r
is
th
at
all
th
e
em
p
lo
y
ee
r
elate
d
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f
o
r
m
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n
ca
n
b
e
v
iewe
d
in
o
n
e
GUI
in
clu
d
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g
th
e
em
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ee
im
ag
e.
Fig
u
r
e
1
0
.
Ov
er
all
v
iewe
r
o
f
E
x
y
p
n
o
s
o
f
f
ice
s
y
s
tem
3
.
8
.
H
a
rdwa
re
i
m
plem
ent
a
t
io
n
I
n
th
is
s
ec
tio
n
,
th
e
h
ar
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war
e
im
p
lem
en
tatio
n
o
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E
x
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n
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ice
s
y
s
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d
is
cu
s
s
ed
.
A
lo
n
g
with
th
e
h
ar
d
war
e,
s
o
f
twar
e
’
s
MPL
AB
h
as b
ee
n
u
s
ed
t
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r
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g
r
am
th
e
PIC m
icr
o
co
n
tr
o
ller
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d
J
av
a
h
as b
ee
n
u
s
ed
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3
.
8
.
1
.
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a
rdwa
re
s
et
up
f
o
r
d
o
o
r
ent
ra
nce
s
y
s
t
em
Fig
u
r
e
1
1
s
h
o
ws
th
e
p
r
o
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ty
p
e
o
f
th
e
h
ar
d
war
e
co
n
n
ec
tio
n
s
f
o
r
th
e
d
o
o
r
en
tr
an
ce
s
y
s
tem
,
a
ls
o
ca
lled
as
I
R
s
y
s
tem
in
th
is
p
r
o
ject.
T
h
e
m
ain
c
o
m
p
o
n
en
ts
o
f
th
is
s
y
s
tem
ar
e
PIR
s
en
s
o
r
,
1
6
f
8
7
3
A
PIC
m
icr
o
co
n
tr
o
ller
,
I
C
UL
N2
0
0
3
AN,
an
d
s
tep
p
er
m
o
to
r
.
T
h
e
PIR
s
en
s
o
r
is
a
p
y
r
o
elec
tr
ic
d
ev
ice
th
at
d
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ts
m
o
tio
n
b
y
m
ea
s
u
r
in
g
ch
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g
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th
e
in
f
r
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r
ed
lev
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itted
b
y
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u
r
r
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u
n
d
in
g
o
b
jects.
T
h
e
PI
R
Sen
s
o
r
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a
3
-
p
in
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er
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n
wh
ich
,
th
e
m
in
u
s
(
-
)
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o
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ec
te
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Vss
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cted
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e
o
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t
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o
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ts
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t p
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th
e
PIC M
ic
r
o
co
n
tr
o
ller
(
1
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f
8
7
3
A)
i.e
.
,
to
A0
.
Fig
u
r
e
11
.
Har
d
war
e
s
etu
p
f
o
r
d
o
o
r
en
tr
an
ce
s
y
s
tem
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
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4
8
6
4
I
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f
ig
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m
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Sy
s
t
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Vo
l.
11
,
No
.
1
,
M
ar
c
h
20
22
:
34
-
48
42
T
h
e
o
u
tp
u
t p
in
s
o
f
1
6
f
8
7
3
A
i.e
.
,
B
0
to
B
3
ar
e
co
n
n
ec
ted
to
th
e
in
p
u
t p
in
s
o
f
I
C
UL
N2
0
0
3
AN
an
d
th
e
I
C
’
s
o
u
tp
u
t
p
in
s
ar
e
co
n
n
ec
ted
to
th
e
s
tep
p
er
m
o
t
o
r
.
T
h
e
PIC
1
6
f
8
7
3
A
is
also
co
n
n
ec
ted
to
a
s
witch
,
wh
ich
is
u
s
ed
f
o
r
m
aster
clea
r
in
g
a
n
d
r
esettin
g
th
e
m
icr
o
co
n
tr
o
ller
.
3
.
8
.
2
.
H
a
rdwa
re
s
et
up
f
o
r
e
m
plo
y
ee
mo
nito
r
(
t
ra
ns
m
it
t
e
r
)
Fig
u
r
e
1
2
s
h
o
ws
th
e
h
ar
d
war
e
s
etu
p
f
o
r
th
e
em
p
lo
y
ee
m
o
n
ito
r
,
wh
ich
is
th
e
tr
an
s
m
itter
s
e
ctio
n
.
T
h
e
m
ain
co
m
p
o
n
e
n
ts
o
f
th
is
s
etu
p
ar
e
tactile
s
witch
,
HT
1
2
e
n
c
o
d
er
,
an
d
R
F
tr
an
s
m
itter
.
I
n
t
h
is
s
etu
p
,
th
e
tactile
s
witch
is
u
s
ed
to
tr
ig
g
er
th
e
in
p
u
t
f
o
r
th
e
e
n
co
d
e
r
wh
ic
h
is
c
o
n
n
ec
ted
to
th
e
i
n
p
u
t
p
in
o
f
th
e
en
co
d
er
i.e
.
,
A
0
.
T
h
e
in
p
u
t
is
r
ec
eiv
ed
b
y
th
e
en
co
d
er
a
n
d
is
g
iv
en
to
t
h
e
o
u
tp
u
t
p
in
i.e
.
,
D0
.
T
h
e
o
u
tp
u
t
o
f
th
i
s
en
co
d
er
is
g
iv
en
to
t
h
e
in
p
u
t
p
in
o
f
th
e
R
F
tr
an
s
m
itter
.
T
h
e
R
F
tr
an
s
m
itter
is
a
4
-
p
in
c
o
m
p
ac
t
s
ize
m
o
d
u
le
wh
ich
ca
n
b
e
u
s
ed
d
ir
ec
tly
in
a
PC
B
.
T
h
is
t
r
an
s
m
itter
ca
n
also
b
e
in
ter
f
ac
ed
d
ir
ec
tly
to
en
c
o
d
er
s
an
d
m
i
cr
o
co
n
tr
o
ller
s
with
ea
s
e.
T
h
e
R
F
tr
an
s
m
itte
r
tr
an
s
m
its
th
e
d
ata
with
an
o
p
er
atin
g
f
r
eq
u
en
cy
o
f
4
3
3
MH
z.
T
h
e
in
p
u
t
f
o
r
th
is
tr
an
s
m
itter
is
p
in
2
an
d
th
e
d
at
a
o
u
t p
in
is
p
in
1
.
T
h
e
o
t
h
er
t
wo
p
in
s
ar
e
Vcc
an
d
Gn
d
r
esp
ec
tiv
ely
.
Fig
u
r
e
12
.
Har
d
war
e
s
etu
p
f
o
r
em
p
lo
y
ee
m
o
n
ito
r
(
tr
an
s
m
itte
r
)
3
.
8
.
3
.
H
a
rdwa
re
s
et
up
f
o
r
e
m
plo
y
ee
mo
nito
r
(
re
ce
i
v
er
)
Fig
u
r
e
1
3
s
h
o
ws
t
h
e
h
ar
d
war
e
s
etu
p
f
o
r
th
e
e
m
p
lo
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ee
m
o
n
ito
r
,
wh
ic
h
is
th
e
r
ec
eiv
e
r
s
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tio
n
.
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h
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ain
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m
p
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en
ts
o
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n
ar
e
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F
r
ec
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er
,
HT
1
2
d
ec
o
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er
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PIC
m
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n
tr
o
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an
d
I
C
R
S2
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2
.
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h
e
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tr
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m
itter
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its
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ig
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ar
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e
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r
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iv
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th
e
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ig
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ich
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o
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er
ates
at
th
e
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am
e
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r
eq
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en
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h
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C
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Fig
u
r
e
13
.
Har
d
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f
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ee
m
o
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(
r
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r
)
T
h
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r
e,
HT
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2
Dec
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d
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itter
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6
f
8
7
3
A
h
as
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r
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Af
ter
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ig
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t
o
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s
ig
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b
it
r
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d
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t
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ter
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ca
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o
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an
s
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is
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ig
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al.
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Fig
u
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s
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Fig
u
r
e
14
.
Har
d
war
e
s
etu
p
f
o
r
im
ag
e
ca
p
tu
r
i
n
g
an
d
s
en
d
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SMS
3
.
8
.
5
.
H
a
rdwa
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et
up
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o
r
R
F
I
D
re
a
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du
le
As s
h
o
wn
in
Fig
u
r
e
1
5
,
t
h
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ea
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er
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u
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co
n
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ts
o
f
an
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n
ten
n
a
an
d
r
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d
er
:
−
An
ten
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a:
s
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as b
lack
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o
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d
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o
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th
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tr
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itted
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th
e
R
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ag
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−
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er
:
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u
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ed
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ate
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itted
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h
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icate
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d
R
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A
1
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b
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itted
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ier
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k
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s
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itted
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h
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ti
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ith
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r
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ies tag
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D
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at
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d
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p
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cm
.
Fig
u
r
e
1
5
.
Har
d
war
e
s
etu
p
f
o
r
R
FID
r
ea
d
er
Evaluation Warning : The document was created with Spire.PDF for Python.