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UCTRONICS Primary Starter Learning Kit for Arduino UNO
51
52
53
54
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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
