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: 2021/12/30 Sheet of
File: I:\办公2021下\温湿度12.16\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
LS1
Speaker
D1
LED3
VCC
GND
100
R3
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
1K
R2
RPot
VCC
Q1
NPN
10K
R17
Res2
10K
R4
Res2
10K
R5
Res2
10K
R6
Res2
10K
R7
Res2
VCC
GND
1
2
P2
串口接口
P30
P31
10K
R8
Res2
VCC
D2
LED3
10K
R9
Res2
D3
LED3
10K
R10
Res2
D4
LED3
10K
R11
Res2
D5
LED3
10K
R12
Res2
D6
LED3
10K
R13
Res2
D7
LED3
10K
R14
Res2
D8
LED3
10K
R15
Res2
VDD
1
DATA
2
GND
4
> 80
27
U2
DHT11
GND
VCC
10K
R16
Res2
REF+
1
AIN
2
REF-
3
GND
4
CS
5
SDO
6
SCLK
7
VCC
8
U3
TLC549
VCC
GND
P00
P01
P02
P03
P04
P05
P06
P07
P27
P26
P25
P24
P23
P22
P21
P20
CS1
1
CS2
2
GND
3
VCC
4
V0
5
RS
6
RW
7
E
8
DB0
9
DB1
10
DB2
11
DB3
12
DB4
13
DB5
14
DB6
15
DB7
16
RST
17
-Vout
18
LCD1 AMPIRE128X64
GND VCC VCC
GND
D9
Photo Sen
10K
R18
Res2
GND
VCC
P10
P11
P12
P13
P14
P15
P16
P17
P26
P25
P32
P33
P00
P01
P02
P03
P04
P10
P11
P12
P13
P14
P15
P16
P17
P21
P37
P24
P23
P22
SH_CP
11
DS
14
ST_CP
12
MR
10
OE
13
Q0
15
Q1
1
Q2
2
Q3
3
Q4
4
Q5
5
Q6
6
Q7
7
Q7‘
9
U4
74595
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
COM
9
GND
8
U5
ULN2003
M
B1
Motor Step
VCC
GND
VCC
P00
P01
P02
SH/LD
1
CLK
2
E
3
F
4
G
5
H
6
QH-
7
GND
8
QH
9
SER
10
A
11
B
12
C
13
D
14
CLK INH
13
VCC
14
U6
74LS165
S6
SW-PB
S7
SW-PB
S8
SW-PB
S9
SW-PB
GND
S10
SW-PB
S11
SW-PB
VCC
GND
1
2
3
4
5
6
7
8
9
RP2
RESP
VCC
P34
P35
P36