MP3 Player Mini Module with TF Card Support (Serial Control)
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Prices updated: 12 Oct 2026
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About this product
A compact, low-cost MP3 player module that decodes MP3, WAV and WMA files from a TF card formatted as FAT16 or FAT32, and drives a speaker directly. It is controlled through a simple serial (RX/TX) interface, so it can run standalone with buttons or with an Arduino UNO or any board with serial capability. Typical uses include voice prompts and audio announcements.
Specifications
- Audio formats
- MP3, WAV, WMA
- Storage
- TF card, FAT16 / FAT32
- Control interface
- Serial (RX/TX)
- Audio output
- Direct speaker output
Frequently asked questions
How do I control the module from an Arduino?
Connect the module's RX and TX pins to a serial-capable board (hardware or software serial), share a common ground, and send the module's serial commands from your sketch. Check the module's logic voltage before a direct connection; if it differs from your board's voltage, use a level shifter.
What kind of memory card does it need?
The module reads a TF (microSD) card formatted as FAT16 or FAT32. Place the audio files on the card in a format the module supports, such as MP3, WAV or WMA.
