1
2
3
4
A
P1
固½悬浮颗粒传感器
1
2
3
4
5
6
GND
GND
VCC
ADC
8050
Q2
C1
R3
1K
GND
GND
VCC
R1
1K
VCC
10K
VCC
R2
P25
P26
P27
P00
P01
P02
P03
P04
P05
P06
P07
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
液晶接口
P2
VSS
VCC
VEE
RS
RW
EN
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
LED+
LED-
1602
A
UB
S电源
P1
2
3
VCC
1
S1
1
3
5
220uf
P32
Header 6
L D 62
C10
POWER
GND
B
2
4
6
2
4
6
1
3
5
B
SC256S单片机系统
T1CA02
U1
ADC
1
2
3
4
5
6
C4
7
10uf
8
9
VCC
C
R8
10K
R9
1K
B1
D2
LED
Bell
R12
1K
30pF
10
11
P32
12
P33
13
P34
14
P35
15
16
17
18
12MHz
19
20
P10/ADC0
P11/ADC1
P12/ADC2
P13/ADC3
P14/ADC4
P15/ADC5
P16/ADC6
P17/ADC7
RST
P30/RXD
P31/TXD
P32/INT0
P33/INT1
P34/T0
P35/T1
P36/WR
P37/RD
X1
X2
GND
VCC
P00
P01
P02
P03
P04
P05
P06
P07
EA
ALE
PSEN
P27
P26
P25
P24
P23
P22
P21
P20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VCC
P00
P01
P02
P03
P04
P05
P06
P07
VCC
VCC
VCC
VCC
R5
1K
R6
1K
STC
GND
S2
GND
S4
P34
S3
阈值设定
P35
12C5A60S2
Q1
8550
P33
C5
30pF
Y1
C6
2
P27
P26
P25
C
EPO电路
ERM
U2
1
2
3
4
A0 VCC
A1
WP
A2
SCL
GND SDA
24C02
VCC
8
7
6
P21
5
P22
VCC
P22
P21
R10
1K
R11
1K
1
STC12C5A60S2
声光报警
GND
Title
D
D
Number
Revision
Size
A4
Date:
File:
1
2
3
2014/8/17
C:\Users\..\Sheet2.SchDoc
Sheet of
Drawn By:
4
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