16
1
K
GND
VEE
3
2
15
VCC
A
R10
RS
R/W
E
D0
D1
D2
D3
D4
D5
D6
D7
7
8
9
10
11
12
13
14
4
5
6
10k +5V
LED2
R11
10k
SRF05-5
LCD 16x2
TRIGER
10k
SRF05-4
ECHO
R9
SRF05-3
LED1
SRF05-2
ECHO
TRIGER
NC
R8
10k +5V
+5V
SRF05-1
B1-1
B1-2
B1-3
B1-4
B1-5
B1-6
A1-1
A1-2
A1-3
A1-4
A1-5
A1-6
+5V
+5V
GND
+5V
A
+5V
B-1
B-2
B-3
B-4
B-5
B-6
TRIGER
1
2
3
4
5
6
7
8
P27-A15
P26-A14
P25-A13
P24-A12
P23-A11
P22-A10
P21-A9
P20-A8
28
27
26
25
24
23
22
21
ALE
PSEN
30
29
VCC
EA
40
31
GND
20
RS
RW
EN
R6
XTAL2
39
38
37
36
35
34
33
32
10k R5
19
P00-AD0
P01-AD1
P02-AD2
P03-AD3
P04-AD4
P05-AD5
P06-AD6
P07-AD7
R4 10k
XTAL1
2
18
1
Q1
33pF
C2
RST
12Mhz
9
10k
33pF
C1
IC2
R1
ECHO
P30-RXD
P31-TXD
P32-INT0
P33-INT1
P34-T0
P35-T1
P36-WR
P37-RD
D4
D5
D6
D7
+5V
A-1
A-2
A-3
A-4
A-5
A-6
R7
10
11
12
13
14
15
16
17
P10
P11
P12
P13
P14
P15
P16
P17
+5V
GND
330
10k
GND
GND
S
C3
10uF
3
4
S1
+
1
2
R2
103
E
+5V
GND
AT89S52-1
+5V
D4
1N4007
IC1
7805TV
C6
1000uF
104
VO
GND
GND
330
3
R3
+
C4
VI
2
+
D3
1N4007
X1-2
D1
1N4007
1
X1-1
C5
C7
1000uF
104
LED_POW
D2
1N4007
GND