Manual

DFPLayer Mini
K9 2
Repeat play
tracking 2
Long push always to repeat play
K10 1
Repeat play
tracking 1
Long push always to repeat play
K11 5
Repeat play
tracking 5
Long push always to repeat play
K12 6
Repeat play
tracking 6
Long push always to repeat play
K13 7
Repeat play
tracking 7
Long push always to repeat play
K14 8
Repeat play
tracking 8
Long push always to repeat play
K15 9
Repeat play
tracking 9
Long push always to repeat play
K16 10
Repeat play
tracking 10
Long push always to repeat play
K17 11
Repeat play
tracking 11
Long push always to repeat play
K18 12
Repeat play
tracking 12
Long push always to repeat play
K19 13
Repeat play
tracking 13
Long push always to repeat play
K20 14
Repeat play
tracking 14
Long push always to repeat play
4
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Application Circuit
4.1 Serial Communication Connect
Module's serial port is 3.3V TTL level, so the default interface level is 3.3V. If the MCU system is 5V. It
is recommended connect a 1K resistor in series.
Figure 4.1 Serial Connect (3.3V)