D
D
V
R1
470R
复位 开始回答
D1
LED-RED
R2
470R
D2
LED-RED
R3
470R
D3
LED-RED
2
1
2
1
3
1
2
1
U1:A
4013
U1:B
4013
U2:A
4013
1
DC
S1
R
1
DC
S1
R
1
DC
S1
R
4
3
5
6
0
1
1
1
9
8
4
3
5
6
1
U3:A
4012
R23
220R
23 45
A
B
C
R7
1000R
R4
1000R
R5
1000R
R6
1000R
R24
2000R
Q2
9
10
11
12
U3:B
4012
13
LS1
SPEAKER
D5
LED-RED
3
R8
220R
Q1
FMMT918
V1K
1
2
U6:A
7408
R16
R17
R18
220R
R19
220R
R20
220R
R21
220R
R22
220R
220R
220R
U9
4511
3
1
2
1
1
1
0
1
5
1
4
1
9
A
Q
B
Q
C
Q
D
Q
E
Q
F
Q
G
Q
R9
R10
R11
220R
R12
220R
R13
220R
R14
220R
R15
220R
220R
220R
U8
4511
3
1
2
1
1
1
0
1
5
1
4
1
9
A
Q
B
Q
C
Q
D
Q
E
Q
F
Q
G
Q
H
1
V
1
B
T
S
E
L
/
T
L
I
B
3
4
5
2
1
3
1
U
C
T
D
C
T
U11
74192
P
U
N
D
L
P
R
M
5
4
1
1
4
1
B
T
S
E
L
/
T
L
I
B
3
4
5
2
1
3
1
U
C
T
D
C
T
U10
74192
P
U
N
D
L
P
R
M
5
4
1
1
4
1
A
B
C
D
7
1
2
6
3
2
6
7
0
Q
1
Q
2
Q
3
Q
0
D
1
D
2
D
3
D
1
5
1
9
0
1
A
B
C
D
7
1
2
6
3
2
6
7
0
Q
1
Q
2
Q
3
Q
0
D
1
D
2
D
3
D
1
5
1
0
1
9
+VCC
?
R11
10k
R2
70k
C1
10u
8
R
C
C
V
CV
Q
DC
D
N
G
TH
TR
U1
3
7
6
4
5
2
1
NE555
C3
10n
?
R4
10k
R5
70k
8
R
C
C
V
CV
Q
DC
D
N
G
TH
TR
U2
3
7
6
4
5
2
1
NE555
C2
10n
C4
10n
2
3
4
5
6
7