DFPlayer Mini

Pin Definition

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  Pin Definition 01

• 

  Pin Definition 02

Work Mode

Serial Mode

• Support for asynchronous serial communication mode via PC serial sending commands
• Communication Standard:9600 bps
• Data bits :1
• Checkout :none
• Flow Control :none

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  Instruction Description

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  Serial Control Cmd

• 

  Serial Query Cmd

AD Key Mode

We use the AD module keys, instead of the traditional method of matrix keyboard connection, it is to take advantage of increasingly powerful MCU AD functionality, Our module default configuration 2 AD port, 20 key resistance distribution.

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  Refer diagram

I/O Mode

Here comes the most simple way to use this module.

• 

  Refer diagram

note: short time press means pre/next,and long time press means vol- ,vol +

Arduino Serial Control

• Note: For simple use ,the upper diagram is ready,But if you find the noise is quite loud, then you could attach an 1K resistor to the TX pin.
• You can download the latest library here: DFRobotDFPlayerMini.
• More demo code please find at https://github.com/Edragon/Arduino/