1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Title
Number RevisionSize
A3
Date: 2022/5/1 Sheet of
File: I:\办公2022\温湿度5.1\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
Q1
PNP
LS1
Speaker
D4
LED3
VCC
GND
10K
R3
Res2
S2
SW-PB
S3
SW-PB
S4
SW-PB
S5
SW-PB
S6
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
Q9
NPN
D3
LED3
10K
R4
Res2
10K
R5
Res2
P27
P26
P25
P24
P23
P22
P21
P20
P21
P20
P26
P25
P24
P23
P22
P27
1
2
P2
485接口
RO
1
RE
2
DE
3
DI
4
GND
5
A
6
B
7
VCC
8
U2
485
P30
P31
P34
P35
10K
R6
Res2
10K
R8
Res2
10K
R9
Res2
10K
R7
Res2
10K
R10
Res2
D2
D Zener
D1
D Zener
VCC
GND
P00
P01
P02
P03
P04
P05
P06
P07
A
B
C
D
E
F
G
DP
1
2
3
4
5
6
7
8
DS1
GND
10K
R13
Res2
Q2
PNP
GND
10K
R14
Res2
Q3
PNP
GND
10K
R15
Res2
Q4
PNP
GND
10K
R16
Res2
Q5
PNP
GND
10K
R17
Res2
Q6
PNP
GND
10K
R18
Res2
Q7
PNP
GND
10K
R19
Res2
Q8
PNP
GND
10K
R20
Res2
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
DI1
1
TH1
2
CO1
3
RST1
4
TR2
8
GND
7
TR1
6
OUT1
5
OUT2
9
RST2
10
CO2
11
TH2
12
VCC
14
DI2
13
U3
556
10K
R11
Res2
10K
R12
Res2
0.1uF
C8
Cap
1
2
P3
HS1101接口
GND
VCC
0.1uF
C10
Cap
0.1uF
C9
Cap
GND
10K
R21
Res2
P32
3
VCC
2
DQ
1
GND
30.0
U4
DS18B20
GND
VCC
4.7K
R22
Res2
P36
