3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
MCP3008
4
CH3
5
CH4
7
CH6
6
CH5
1
CH0
8
CH7
2
CH1
16
Vdd
15
Vref
14
AGND
13
CLK
3
CH2
12
Dout
11
Din
10
__
CS/SHDN
G
P
I
O
1
4
U
A
R
T
0
_
T
X
D
G
P
I
O
1
5
U
A
R
T
0
_
R
X
D
G
P
I
O
1
8
P
C
M
_
C
L
K
G
P
I
O
2
3
G
P
I
O
2
4
G
P
I
O
2
5
G
P
I
O
8
S
P
I
0
_
C
E
0
_
N
G
P
I
O
7
S
P
I
0
_
C
E
1
_
N
ID_SC I2C ID EEPROM
G
P
I
O
1
2
G
P
I
O
1
6
G
P
I
O
2
0
G
P
I
O
2
1
G
P
I
O
2
S
D
A
1
I
2
C
G
P
I
O
3
S
C
L
1
I
2
C
G
P
I
O
4
G
P
I
O
1
7
G
P
I
O
2
7
G
P
I
O
2
2
GIPO10 SPI0_MOSI
G
P
I
O
9
S
P
I
0
_
M
I
S
O
G
P
I
O
1
1
S
P
I
0
_
S
C
L
K
ID_SD I2C ID EEPROM
G
P
I
O
5
G
P
I
O
5
G
P
I
O
6
G
P
I
O
1
3
G
P
I
O
1
9
G
P
I
O
2
6
GND
3V3
5V
RaspberryPi
Model 2 v1.1
MCP3008
4
CH3
5
CH4
7
CH6
6
CH5
1
CH0
8
CH7
2
CH1
16
Vdd
15
Vref
14
AGND
13
CLK
3
CH2
12
Dout
11
Din
10
__
CS/SHDN
S10
WSH130
S16
WSH130
S15
WSH130
S4
WSH130
S2
WSH130
S1
WSH130
S3
WSH130
S5
WSH130
S11
WSH130
S9
WSH130
S6
WSH130
S12
WSH130
S14
WSH130
S7
WSH130
S13
WSH130
S8
WSH130
Raspberry Pi1
ADC1
ADC2