1. 5
4
3
2
1
VCC_5V
VCC_5V
D201
1N4007
D203
D204
1N4007
VCC_5V
1
2
3
4
5
6
7
8
9
CON201
2
1
C203
10uF
U201 7805
1 1
3 3
R201 220R
2
ARRAY
SW1
U202
14V
D0
40
P0.0
39
LCD_DATA_0
3
P1.2
P0.1
38
LCD_DATA_1 C8
4
P1.3
P0.2
37
LCD_DATA_2
VT
R202
10K
VCC
P1.1
D3
RST
1K
P1.0
2
D2
R203
1
D1
D
2
5
P1.4
P0.3
36
6
P1.5(MOSI)
P0.4
35
7
P1.6(MISO)
P0.5
34
LCD_DATA_5
SCK
8
P1.7(SCK)
P0.6
33
LCD_DATA_6
RST
9
RESET
P0.7
32
LCD_DATA_7
EA/VP
31
1000uF
11
TXD
ALE/P
INT0
PSEN
INT1
P2.7
LED
R205
D104
D103
220R
LED2
R206
220R
C4
R209
10K 0.1uF
2
29
13
VCC_5V
LED
LED1
30
12
MOSI
RXD
VCC_5V
89s51
VCC_5V
3
10
VCC_5V
3
28
LCD_RS
6
5
RST
14
T0
P2.6
27
LCD_E
8
7
SCK
15
T1
P2.5
26
MISO
16
WR
P2.4
25
17
RD
P2.3
24
BUZZER
19
X1
P2.2
23
LED1
2
2
15
VCC_5V
3
4
3
1
15
2
ICSP
Y151
18
11
6
LCD_E
LCD_DATA_3
9
LED2
LCD_DATA_4
10
9
LCD_DATA_2
8
21
11
10
8
LCD_DATA_1
7
LCD_DATA_0
5
6
BUZZER
BUZZER
16
C
1
11.059MHz
P2.0
VSS
C152
33pF
22
LCD_DATA_5
16
C151
33pf
P2.1
X2
20
LCD_DATA_6
12
4
5
BUZZER
LCD_DATA_7
13
12
4
LCD_RS
14
1
10 9
14
LCD 13
7
C
D
LCD_DATA_4
MISO
LED201
LED
C202
0.1uF
0.1uF
LCD_DATA_3
MOSI
C201
1
+
1N4007
1N4007
RES1
MICROCONTROLLER SECTION
D202
LCD 16X2 LINE
CODE RECEIVER
VCC_5V
RECEIVER
VCC_9V
CODE TRANSMITTER
U1
B
B
D9
OSC2
15
12
D10
OSC1
R405 10K
16
D3
13
D11
7
ANT
14
17
TE
HT12E
3
+
DOUT
C107
0.01uF
10K R404
10K R403
SW2
15
R405 10K
16
OSC1
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
8
7
6
5
SW DIP-4
8
7
6
5
4
3
2
1
9
C106
100uF
Q
VSS
TR
NE 555
THR
2
CV
6
5
4
3
R406
15K
4
ANT
9
D101
1N4007
GND
C17
0.1uF
3
1
1
8
7
6
5
4
3
2
1
2
U402
A7
A6
A5
A4
A3
A2
A1
A0
10K R402
18
VDD
8
LED
13
12
11
10
DIS
U403
1
VT
TRANSMITTER
1
17
VSS
VT
HT12D
11
D2
VCC
R
VCC_5V
D401
AD11
AD10
AD9
AD8
OSC2
D8
D1
0.1uF
10K R401
3
2
C105
0.1uF
14
4
DIN
2
10
15K R407
VDD
D0
R408
1K
U401
18
1
C401
U203
A
A
Title
<Title>
Size
A3
Date:
5
4
3
2
Document Number
<Doc>
Thursday, February 20, 2014
Rev
<RevCode>
Sheet
1
1
of
1