Schematics

1 2 3 4
A
B
C
D
4321
D
C
B
A
Title
Number RevisionSize
B
Date: 8-Nov-2017 Sheet of
File: E:\公司资料\HC-SR04超声波\超声波HC-SR04.ddbDrawn By:
C2
+5v
P50
1
P67
2
P66
3
VDD
4
P65
5
P64
6
P63/RST
7
P62
8
P61
9
P60
10
Vss
11
P53
12
P52
13
P51
14
MCU
C5
T40
PNP
发射
接收
NC
SIG
+5v
+5v
1
2
3
4
J1
C1+
VS+
2
C1-
C2+
C2-
VS-
6
T2OUT
7
R2IN
8
R2OUT
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
MAX232
1OUT
1
1IN-
2
1IN+
3
VCC
4
2IN+
5
2IN-
6
2OUT
7
3OUT
8
3IN-
9
3IN+
10
GND
11
4IN+
12
4IN-
13
4OUT
14
LM324
R17
10K
R18
47K
R19
6.8K
R15
1k
R14
56K
R13
10K
R11
1K
R9
120K
R12
75K
R16
1K
R10
3.9K
R8
120K
C15
1nF
C12
1nF
C10
1nF
C9
1nF
+5v
+5v
+5v
C16
100nF
r
R40
R7
10K
Q2
NPN
C7
10nF
R6
75K
R27
3.3M
Rb
10k
Ra
75k VT
VT
R2
10K
R5
1K
C3
100n
C4
100n
C8
100n
C11
100n
C14
10uF
C13
100nF
VT

Summary of content (1 pages)