DFPLayer Mini
K9 2
tracking 2
Long push always to repeat play
K10 1
tracking 1
Long push always to repeat play
K11 5
tracking 5
Long push always to repeat play
K12 6
tracking 6
Long push always to repeat play
K13 7
tracking 7
Long push always to repeat play
K14 8
tracking 8
Long push always to repeat play
K15 9
tracking 9
Long push always to repeat play
K16 10
tracking 10
Long push always to repeat play
K17 11
tracking 11
Long push always to repeat play
K18 12
tracking 12
Long push always to repeat play
K19 13
tracking 13
Long push always to repeat play
K20 14
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)