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

Introducing the DFPlayer Pro, a tiny yet incredibly powerful MP3 player! This nifty module offers four control methods: Arduino, AT command, on - board buttons, and ADKEY. You can simply press the on - board button to play or switch music, no controller needed. It comes with 128MB of storage. Using a USB cable, you can effortlessly copy your favorite tunes into the module and play them anywhere. It can also serve as a sound card for your PC or Raspberry Pi. Check out the comparison table below to see how it stacks up against other MP3 modules. The DFPlayer Pro features on - board 128MB high - speed storage, dual - channel audio, and supports analog U - disk. It's great for DIY plush toys, handmade personalized gifts, musical alarm clocks, and as a USB sound card. Specifications include a power supply of 3.3V - 5V, an operating current greater than 20mA, and it supports multiple audio formats like MP3, WAV, WMA, FLAC, AAC, and APE. 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 | | Analog U - disk 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 | FEATURES - On - board 128MB High - speed Storage - Playback Switch by Button - Dual - channel - Support analog U - disk APPLICATIONS - DIY Plush Toys - Handmade Personalized Gift - Musical Alarm Clock - USB Sound Card SPECIFICATION - Power Supply: 3.3V~5V - Operating Current: >20mA - Storage: 128MB - Audio Format: MP3, WAV, WMA, FLAC, AAC, APE - Communication: UART - Operating Temperature: - 20℃~70℃ - Operating Humidity: 5%RH~95%RH - Dimension: 23*24.5mm/0.91*0.96" DOCUMENTS - Product wiki SHIPPING LIST - DFPlayer PRO - A MP3 Player x1 - 2.54 - 6P Black Single - Row Pin x2

Using the DFPlayer Pro is a breeze. First, power it up with a 3.3V - 5V power supply. If you want to play music, you have a few options. You can use the on - board buttons to play or switch tracks. Or, if you're tech - savvy, you can use Arduino or AT commands to control it. To add your favorite songs, simply connect the module to your computer with a USB cable and copy the music files into the 128MB storage. When using it as a sound card for your PC or Raspberry Pi, just make the appropriate connections. Here are some things to keep in mind. Make sure the operating current is greater than 20mA. Also, the module works best within an operating temperature range of - 20℃ to 70℃ and an operating humidity of 5%RH to 95%RH. For maintenance, keep the module clean and dry. Avoid exposing it to extreme conditions. If you're not using it for a long time, store it in a safe place. That's it! Now you're ready to enjoy your music with the DFPlayer Pro.