1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/6/25 Sheet of
File: I:\办公2021下\温度6.25\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
7805
Volt Reg
30pF
C2
Cap
10uF
C1
Cap Pol1
30pF
C3
Cap
10K
R1
Res2
0.1uF
C5
Cap
100uF
C4
Cap Pol1
0.1uF
C7
Cap
100uF
C6
Cap Pol1
1
2
P1
电源接口
GND
GND
VCC
VCC
1
2
3
4
5
6
7
8
9
RP1
RESP
S1
SW-PB
D1
LED3
P10
P11
P12
P13
P14
P15
P16
P17
A
B
C
D
E
F
G
DP
1
2
3
4
DS1
10K
R2
Res2
VCC
D2
LED3
10K
R3
Res2
D3
LED3
10K
R4
Res2
IN1
5
IN2
7
IN3
10
IN4
12
ENA
6
ENB
11
SENSA
1
SENSB
15
OUT1
2
OUT2
3
OUT3
13
OUT4
14
VCC
9
VS
4
GND
8
U3
L298N
M
B1
Motor
VCC
GND
3
VCC
2
DQ
1
GND
30.0
U2
DS18B20
VCC
GND
S2
SW-PB
S3
SW-PB
S4
SW-PB
S5
SW-PB
GND
P10
P11
P12
P13
P17
