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: 2021/8/4 Sheet of
File: E:\电路城\衣架控制系统(温湿度,光线)\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
Vin Vout
GND
VR1
Volt Reg
30pF
C8
Cap
10uF
C5
Cap Pol1
30pF
C7
Cap
10K
R2
Res2
0.1uF
C2
Cap
100uF
C1
Cap Pol1
0.1uF
C4
Cap
100uF
C3
Cap Pol1
1
2
P1
电源接口
GND
GND
VCC
VCC
15
A
14
D7
13
D6
12
D5
11
D4
10
D3
9
D2
8
D1
7
D0
6
E
5
RW
4
RS
3
V0
2
VCC
1
GND
16
K
LCD1602
U6
LCD1602
1
2
3
4
5
6
7
8
9
RP1
RESP
D1
LED3
GND
10K
R3
Res2
S1
SW-PB
S8
SW-PB
VCC
S2
SW-PB
S3
SW-PB
S4.
SW-PB
S5
SW-PB
S6
SW-PB
S7
SW-PB
GND
100
R1
Res2
VCC
K7
K7
LED
LED
VCC
VCC
20
DB0
18
DB1
17
DB2
16
DB3
15
DB4
14
DB5
13
DB6
12
DB7
11
CS
1
RD
2
WR
3
CLK IN
4
INTR
5
A GND
8
D GND
10
VREF/2
9
VIN+
6
VIN-
7
CLK R
19
U5
ADC0804
150pF
C6
Cap
10K
R4
Res2
10K
R5
Res2
10K
R6
Res2
D2
Photo Sen
10K
R7
Res2
VCC
GND
CS
RD
WR
INTR
CS
RD
WR
INTR
VDD
1
DATA
2
GND
4
> 80
27
U3
DHT11
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
U4
ULN2003
M
B1
Motor Step
VCC
AA
BB
CC
DD
AA
BB
CC
DD
电源
模式指示灯
温湿度
电机
模数电路
显示
光线检测
VCC
GND