17
(6) GPIO1 (10-pin): GPIO Header
9
GP
IO
_
30
GN
D
G
P
IO
_32
G
P
IO
_34
G
P
IO
_36
GP
IO
_
31
GP
IO
_
35
GP
IO
_
33
2
Pin 1
10
G
P
IO
_37
VC
C
(7)
COM3/COM4/COM5/COM6 (9-pin): Serial Port Headers
DC
D
Pin1
6
SI
N
SO
U
T
DT
R
GN
D
DS
R
RT
S
CT
S
RI