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MP3-TF-16P DFPlayer Mini MP3 Player Module – Serial Port Controlled SD Card Audio Decoder

MP3-TF-16P DFPlayer Mini MP3 Player Module – Serial Port Controlled SD Card Audio Decoder

ParameterDetailed Specification
ModelMP3-TF-16P (DFPlayer Mini Compatible)
Operating Voltage3.2V – 5.0V DC (5V Recommended)
Supported Sampling Rates8/11.025/12/16/22.05/24/32/44.1/48 kHz
DAC Resolution24-bit Output
Supported File SystemsFAT16, FAT32 (Up to 32GB MicroSD)
Communication ModeUART Serial (9600 bps) / AD Key Control
Built-in Amplifier3W Mono (Direct Speaker Drive)
Audio Output2-Channel DAC (for External Amp/Headphones)
                                 Price

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₹ 101.69 ₹ 101.69
(Tax included)

Barcode: 59301132

Product Description

Add high-quality audio playback to your electronics with the MP3-TF-16P MP3 Player Module. This ultra-compact, powerful module is designed to decode MP3 and WAV files directly from a MicroSD card. At Robogears, we recommend the MP3-TF-16P for its extreme versatility; it can be controlled via a simple Serial Port (UART) using an Arduino or operated as a standalone player using push-buttons (AD Key mode). With an integrated 3W amplifier, it can drive a small speaker directly, making it the perfect choice for adding voice alerts to security systems, background music to 3D-printed models, or sound effects to your Pimpri workshop's latest robotic creation.

Detailed Key Features

  • Built-in 3W Mono Amplifier: Allows for direct connection to a 4-8 Ohm speaker without needing an external audio power stage.

  • Full Serial Control: Supports standard UART commands to play specific tracks, adjust volume (30 levels), and change EQ settings (6 modes) via code.

  • Dual Output Modes: Provides both an amplified mono output and a high-fidelity stereo DAC output for connecting to headphones or external power amplifiers.

  • Standalone "AD Key" Support: Can be used without a microcontroller by connecting simple resistors and buttons to the ADK pins for Play/Pause and Track Skip.

  • Robust File Management: Automatically handles up to 100 folders, with each folder supporting up to 255 audio tracks.

All Technical Details

  • Pin Definition:

    • VCC/GND: Power Input (5V is most stable).

    • RX/TX: Serial Data (Connect to Microcontroller).

    • SPK1/SPK2: Direct Speaker Output (Mono).

    • DAC_R/DAC_L: Stereo Audio Output (Line Level).

    • BUSY: Status Indicator (Low when playing).

  • SNR Support: 85dB Dynamic Range for clear, crisp sound reproduction.

  • Applications: Navigation voice prompts, vending machine audio, lift floor announcements, and interactive DIY toys.

Prototyping & Engineering Tips (Robogears Exclusive)

  • The 1K Resistor Rule: At our Pimpri facility, we always remind makers to place a 1K ohm resistor in series with the RX pin when connecting to a 5V Arduino. This prevents electrical noise and "pops" during playback and protects the module's 3.3V logic.

  • SD Card Formatting: Ensure your MicroSD card is formatted to FAT32. For the most reliable playback, name your folders "01", "02", etc., and your files "001.mp3", "002.mp3".

  • Power Isolation: The module can draw significant current when driving a speaker at full volume. If your Arduino resets when the music starts, power the MP3-TF-16P from a dedicated 5V source rather than the Arduino's 5V pin.

  • Speaker Choice: For the best sound without distortion, use a 3W 8-Ohm speaker. Using a 4-Ohm speaker at max volume may cause the module to overheat or the sound to clip.

Package Includes

  • 1 x MP3-TF-16P MP3 Player Module

Image Disclaimer

Product images are shown for illustrative purposes only. The color of the PCB (typically Black or Blue) or the specific brand of the decoding chip may vary between batches, but the MP3-TF-16P serial control and 3W amplified performance remain as described.

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