Schematic

1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2016-2-4 Sheet of
File: D:\ 󲢅 \..\IIC to GPIO Shield V2.SchDocDrawn By:
INT
1
A1
2
A2
3
I/O0.0
4
I/O0.1
5
I/O0.2
6
I/O0.3
7
I/O0.4
8
I/O0.5
9
I/O0.6
10
I/O0.7
11
VSS
12
I/O1.0
13
I/O1.1
14
I/O1.2
15
I/O1.3
16
I/O1.4
17
I/O1.5
18
I/O1.6
19
I/O1.7
20
A0
21
SCL
22
SDA
23
VDD
24
IC1
PCA9555
+5
C1
10uF/10V
C2
104P
C3
104P
C4
104P
C5
104P
C6
104P
C7
104P
+5
+5
+5
1
2
3
4
5
6
7
8
9
10
11
12
J4
+5
1 2
3 4
5 6
7 8
R4
1K1 2
3 4
5 6
7 8
R5
1K
1 2
3 4
5 6
7 8
R6
1K1 2
3 4
5 6
7 8
R7
1K
C8
104P
+5
1
2
3
4
5
6
7
8
9
10
11
12
J5
+5
12 34 56
JP1
1
2
3
4
5
6
7
8
9
10
11
12
J6
+5
1
2
3
4
5
6
7
8
9
10
11
12
J7
+5
1 2
3 4
5 6
7 8
R3
10K
+5
INT
INT
R1
10K
R2
10K
1 2
J3
INT
+5
1
2
3
4
5
6
7
8
J8
1
2
3
4
5
6
7
8
9
10
J9
1
2
3
4
5
6
J10
1
2
3
4
5
6
J11
+5
VIN
3.3V
SCL
SDA
SDA
SCL
D2
D2
2.0
IIC TO GPIO Shield