1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/7/20 Sheet of
File: E:\电路城\大棚温度（串口）\原理图\Sheet1.SchDocDrawn By:
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
P3.0/RXD
10
P3.1/TXD
11
P3.2/INT0
12
P3.3/INT1
13
P3.4/T0
14
P3.5/T1
15
P3.6/WR
16
P3.7/RD
17
XTAL2
18
XTAL1
19
GND
20
P2.0
21
P2.1
22
P2.2
23
P2.3
24
P2.4
25
P2.5
26
P2.6
27
P2.7
28
PSEN
29
ALE/PROG
30
EA
31
P0.7
32
P0.6
33
P0.5
34
P0.4
35
P0.3
36
P0.2
37
P0.1
38
P0.0
39
VCC
40
U1
80511 2
Y1
XTAL
30pF
C2
Cap
10uF
C1
Cap Pol1
30pF
C3
Cap
10K
R1
Res2
GND
VCC
1
2
3
4
5
6
7
8
9
RP1
RESP
S1
SW-PB
Q3
PNP
LS1
Speaker
VCC
GND
10K
R4
Res2
S2
SW-PB
S3
SW-PB
S4
SW-PB
S5
SW-PB
P30
P31
P32
P33
P34
P35
P36
P37
P10
P11
P12
P13
P14
P15
P16
P17
Vin Vout
GND
7805
Volt Reg
0.1uF
C5
Cap
100uF
C4
Cap Pol1
0.1uF
C7
Cap
100uF
C6
Cap Pol1
1
2
P1
电源接口
GND
VCC
GND
P10
P11
P12
P13
3
VCC
2
DQ
1
GND
30.0
U3
DS18B20
GND
VCC
P14
1
2
P2
串口接口
P30
P31
P00
P01
P02
P03
P04
P05
P06
P07
Q1
PNP
VCC
GND
10K
R2
Res2
1
2
3
4
5
K1
Relay
1
2
P3
加热器接口
Q2
PNP
VCC
GND
10K
R3
Res2
1
2
3
4
5
K2
Relay
1
2
P4
散热器接口
P35
P36
P37
A
1
B
2
C
3
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
E1
6
E2
4
E3
5
U2
74138
VCC
GND
Y0
Y1
Y2
Y3
Y4
Y5
A
B
C
D
E
F
G
DP
1
2
DS3
A
B
C
D
E
F
G
DP
1
2
DS2
A
B
C
D
E
F
G
DP
1
2
DS1
P00
P01
P02
P03
P04
P05
P06
P07
P00
P01
P02
P03
P04
P05
P06
P07
P00
P01
P02
P03
P04
P05
P06
P07
Y0
Y1
Y2
Y3
Y4
Y5
PI001
PI002
PI003
PI004
PI005
PI006
PI007
PI009
PI0010
PI0011
PI0012
PI0013
PI0014
PI0015
CO
PI00DQ
PI00GND
PI00VCC
PI001
PI002
PI003
PI004
PI005
PI006
PI007
PI008
PI009
PI780501
PI780502
PI780503
PIC101
PIC102
PIC201
PIC202
PIC301
PIC302
PIC401
PIC402 PIC501
PIC502 PIC601
PIC602 PIC701
PIC702
PIK?01
PIK?02
PIK?03
PIK?04
PIK?05
PIK?01
PIK?02
PIK?03
PIK?04
PIK?05
PILS?01
PILS?02
PIP101
PIP102
PIP101
PIP102
PIP101
PIP102
PIP101
PIP102
PIQ?01
PIQ?02
PIQ?03
PIQ?01
PIQ?02
PIQ?03
PIQ?01
PIQ?02
PIQ?03
PIR101
PIR102
PIR?01PIR?02PIR?01
PIR?02
PIR?01PIR?02
PIS101
PIS102
PIS201 PIS202
PIS601 PIS602
PIS1001 PIS1002
PIS1401 PIS1402
PIU?01
PIU?02
PIU?03
PIU?04
PIU?05
PIU?06
PIU?07
PIU?08
PIU?09
PIU?010
PIU?011
PIU?012
PIU?013
PIU?014
PIU?015
PIU?016
PIU?017
PIU?018
PIU?019
PIU?020
PIU?021
PIU?022
PIU?023
PIU?024
PIU?025
PIU?026
PIU?027
PIU?028
PIU?029
PIU?030
PIU?031
PIU?032
PIU?033
PIU?034
PIU?035
PIU?036
PIU?037
PIU?038
PIU?039
PIU?040
PIY101
PIY102
PI004
PI005
PI00GND
PI780502
PIC201
PIC301
PIC402 PIC501 PIC602 PIC701
PIK?05
PILS?02
PIP101
PIR101
PIS201
PIS601
PIS1001
PIS1401 PIU?020
PI780501
PIC401 PIC502
PIP102
PI001
PIU?021
PI002
PIU?022
PI003
PIU?023
PI007
PI009
PIC102
PIR102
PIS101
PIU?09
PIC202
PIU?018
PIY101
PIC302
PIU?019
PIY102
PIK?01
PIP101
PIK?02
PIK?03
PIP102
PIK?04
PIQ?01
PILS?01
PIQ?01
PIQ?02
PIR?01
PIU?024
PIU?025
PIU?026
PIU?027
PIU?028
PIU?029
PIU?030
PI002
PIU?039
NL
PI003
PIU?038
NL
PI004
PIU?037
NL
PI005
PIU?036
NL
PI006
PIU?035
NL
PI007
PIU?034
NL
PI008
PIU?033
NL
PI009
PIU?032
NL
PIS202
PIU?01
NL
PIS602
PIU?02
NL
PIS1002
PIU?03
NL
PIS1402
PIU?04
NL
PI00DQ
PIU?05
NL
PI0010
PIU?06
NL
PIU?07
NL
PIU?08
NL
PIP102
PIU?010
NL
PIP101
PIU?011
NL
PIU?012
NL
PIU?013
NL
PIU?014
NL
PIR?02
PIU?015
NL
PIR?02
PIU?016
NL
PIR?02
PIU?017
NL
PI001
PI006
PI00VCC
PI780503
PIC101
PIC601 PIC702
PIQ?03
PIS102
PIU?031
PIU?040
PI0015
NL
PI0014
NL
PI0013
NL
PI0012
NL
PI0011
NL
