DFRobot DFPLayer Mini 매뉴얼 - 페이지 2
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DFPLayer Mini
2.2 .Pin Description
No
Pin
1
VCC
2
RX
3
TX
4
DAC_R
5
DAC_L
6
SPK2
7
GND
8
SPK1
9
IO1
10
GND
11
IO2
12
ADKEY1
13
ADKEY2
14
USB+
15
USB-
16
BUSY
Figure 2.1
Description
Input Voltage
UART serial input
UART serial output
Audio output right channel
Audio output left channel
Speaker-
Ground
Speaker+
Trigger port 1
Ground
Trigger port 2
AD Port 1
AD Port 2
USB+ DP
USB- DM
Playing Status
Table 2.2 Pin Description
Note
DC3.2~5.0V;Type: DC4.2V
Drive earphone and amplifier
Drive earphone and amplifier
Drive speaker less than 3W
Power GND
Drive speaker less than 3W
Short press to play previous （ long press
to decrease volume）
Power GND
Short press to play next（long press to
increase volume）
Trigger play first segment
Trigger play fifth segment
USB Port
USB Port
Low means playing \High means no