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










