Fermion: DFPlayer Pro - A mini MP3 Player with On-board 128MB Storage

Here comes the DFPlayer Pro---A mini simple but powerful MP3 Player! This MP3 player module supports four controlling modes: Arduino, AT command, on-board buttons, and ADKEY. You can directly press the on-board button to play or switch music without using a controller. Moreover, this player module has 128MB of storage. By using a USB cable, you can easily copy your favorite songs into this module to play them anywhere you want, or use it as a sound card for your PC or Raspberry Pi after connecting them.

Board Overview

MP3 Module Selection Guide

Picture
Name	DFPlayer	DFPlayer Pro	Gravity: UART MP3 Voice Module
SKU	DFR0299	DFR0768	DFR0534
Storage	Storage Card Required	128MB	8MB
Sound Channel	Mono	Dual-channel	Mono
Virtual USB Drive Support	No	Yes	Yes
ADKEY Control Support	Yes	Yes	No
On-board Power Amplifier Support	Yes	Yes	Yes
Audio Format	MP3, WAV, WMA	MP3, WAV, WMA, FLAC, AAC, APE	MP3, WAV
Communication	UART	UART	UART
Operating Voltage	3.3V/5V	3.3V/5V	3.3V/5V
Dimension	20*20mm/0.79*0.79"	23*24.5mm/0.91*0.96"	22*30mm/0.87*1.81"
Price	$5.90	$8.90	$4.90
Features	1. Small size 2. Support IO, serial port and ADKEY control 3. Maximum support 32G of the TF card, suitable for occasions in need of abundant audio files	1. Stereo dual-channel output 2. Support four controlling modes: Arduino, AT command, on-board buttons, and ADKEY 3. On-board 128MB high-speed storage, perfect for occasions in need of storing small numbers of audio files 4. Support the USB cable to copy music 5. Can be used as a sound card for the PC or Raspberry Pi	1. DF-Gravity interface, easy to connect 2. On-board 8MB storage 3.Support the USB cable to copy music 4. Suitable for playing sound effects and prompt sounds

• On-board 128MB High-speed Storage
• Playback Switch by Button 
• Dual-channel 
• Support analog U-disk