F
o
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t
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s
9
5
0
0
/
9
F
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r
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r
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s
s
9
5
0
0
/
9
2.6.16 External Speaker Connector
If you want to use external case-mounted speaker instead of internal buzzer, the 4-pins external
speaker connector can let you connect with external case-mounted speaker.
Pin 1
GND
N/C
N/C
+5V
3
0
0
3
0
0
98
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Open