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Arduino Kits
UCTRONICS Primary Starter Learning Kit for Arduino UNO (Open Box)
51
52
53
54
55
56
57
58
59
60
59
Wiring Diagram
Result
Open the
serial monitor,
then press
any keys
on the
4*4 matrix keyboa
rd, the
corresponding
key value will be displayed in the serial mon
itor.
C
O
M
11
(
A
r
d
u
i
n
o
/
G
e
n
u
i
n
o M
e
g
a o
r M
e
g
a 2
5
6
0
)
S
e
n
d
1
2
3
4
5
6
7
8
9
0
A
1
...
...
57
58
59
60
61
...
...
81
