MP3-TF-16P MP3 SD Card Module with Serial Port

The MP3-TF-16P is a compact and inexpensive MP3 module that can be connected directly to a speaker. This versatile module features integrated hardware decoding for MP3, WAV, and WMA formats, making it perfect for standalone audio playback or microcontroller-controlled applications with Arduino, Raspberry Pi, or any device with a serial port.

Key Features:

• Integrated hardware MP3, WAV, and WMA decoding
• Multiple control modes: IO control, serial mode, AD key control
• Direct speaker connection capability
• Supports TF cards up to 32GB and USB drives up to 32GB
• 24-bit DAC output with 90dB dynamic range and 85dB SNR
• 30-level adjustable volume with 6 EQ settings
• Supports up to 100 folders with 255 tracks each
• Advertisement/voice spot feature with background music pause/resume
• Fully supports FAT16 and FAT32 file systems
• Simple serial command control - easy to use and reliable

Technical Specifications:

• Supported Sampling Rates (KHz): 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48
• DAC: 24-bit output
• Dynamic Range: 90dB
• Signal-to-Noise Ratio (SNR): 85dB
• File System Support: FAT16, FAT32
• Storage Support: TF card up to 32GB, USB up to 32GB, 64MB NORFLASH
• Audio Organization: Up to 100 folders, 255 tracks per folder
• Volume Levels: 30 adjustable levels
• EQ Settings: 6 adjustable modes
• Weight: 26 grams

Version Differences (V1.0 vs V3.0):

While both versions share the same pin configuration and function, there are some internal differences:

• Internal Chipset: Different brands or versions of the MP3 decoding chip
• Library Compatibility: V3.0 may require different libraries than V1.0
• Startup Behavior: V3.0 might not auto-start and may default to maximum volume, requiring volume command repetitions
• Command Response: V3.0 may have minor delays in serial command processing

Applications:

• Car navigation voice broadcast
• Road transport and toll voice prompts
• Train/bus station security check announcements
• Financial and telecommunications voice prompts
• Vehicle verification channel announcements
• Border control voice guidance
• Multi-channel voice alarm systems
• Electric sightseeing bus safety notices
• Equipment failure alarms
• Fire alarm voice prompts
• Automatic broadcasting and scheduled announcements

Compatible With:

Arduino, Raspberry Pi, and any microcontroller with serial communication capability. Requires jumper wires for connections.