Datasheet

GND
4.7K 4.7K
4.7K 4.7K
5V
5V
3.3V
3.3V
3.3V
GND
GND
GND
3.3VVIN 5V
3.3V
GND
3.3V
GND
3.3V
GND
RX
TX
D2
*D3
D4
*D5
*D6
D7
D8
*D9
*D10
*D11
D12
D13
A0
A1
A2
A3
A4
A5
VIN
RES
5V
AREF
GND
GND
GND
3.3V
IOREF
SDA
SCL
R3 R4
R2 R5
1
2
3
4
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
1
2
3
4
5
6
7
1
2
3
4
1
2
3
4
1
2
3
4
SCL SCL SCL SCL
SDA SDA SDA SDA
HV_SDA
HV_SCL
AREF
AREF
IOREF
IOREF
RES
RES
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