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MP3 Player Mini Module (MP3-TF-16P)

MP3 Player Mini Module (MP3-TF-16P)

The MP3-TF-16P is a compact and affordable MP3 module with a built-in amplifier that allows direct connection to a 3W speaker. It supports standalone operation or control via microcontrollers like Arduino using UART. The module reads MP3 files from a microSD card and supports multiple control methods, making it ideal for projects requiring audio playback such as alarms, voice prompts, or assistive devices.

Package Includes

  • 1 x MP3-TF-16P Mini MP3 Player Module

52.50 AED 52.50 AED (Tax included)

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Specifications

  • Supported Sampling Rates (kHz): 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48
  • Audio Output: 24-bit DAC, Dynamic Range: 90dB, SNR: 85dB
  • File System: FAT16/FAT32, supports microSD up to 32GB and USB flash drives
  • Playback Features: Supports up to 100 folders, each with 255 songs; advertising sound priority
  • Volume: 30-level adjustable
  • EQ: 6-level equalizer settings
  • Playback Control: UART, I/O trigger, AD key control

Pinout

Pin Description Note
VCC Power Supply + DC 3.2V–5V
RX Serial Input UART
TX Serial Output UART
DAC_R Right Audio Out For amplifier/headphones
DAC_L Left Audio Out For amplifier/headphones
SPK2 Speaker – For 3W speaker
GND Ground Power GND
IO1 Trigger 1 Short press: Previous, Long: Volume–
IO2 Trigger 2 Short press: Next, Long: Volume+
ADKEY1 AD Key 1 Trigger 1st MP3
ADKEY2 AD Key 2 Trigger 5th MP3
USB+ USB+ DP USB Port
USB– USB– DM USB Port
BUSY Status Output Low when playing

Applications

  • Voice-based alarms
  • Car navigation announcements
  • Talking blind cane projects
  • Interactive toys and displays
  • Educational and assistive devices

 

Important Notes:

  • Only MP3 format files are supported.
  • Use simple numeric file names like 001.mp3, 002.mp3, etc.
  • Install DFPlayer Mini Library (v1.0) via the Arduino Library Manager for best compatibility.

Arduino Code

#include "Arduino.h"
#include "SoftwareSerial.h"
#include "DFRobotDFPlayerMini.h"

SoftwareSerial mySoftwareSerial(2, 3); // RX, TX
DFRobotDFPlayerMini myDFPlayer;

void setup() {
  mySoftwareSerial.begin(9600);
  Serial.begin(115200);
  Serial.println(F("Initializing DFPlayer ..."));
  
  if (!myDFPlayer.begin(mySoftwareSerial)) {
    Serial.println(F("Unable to begin:"));
    Serial.println(F("1. Recheck connection"));
    Serial.println(F("2. Insert SD card"));
    while (true);
  }
  
  Serial.println(F("DFPlayer Mini online."));
  myDFPlayer.volume(20); // Volume range: 0–30
}

void loop() {
  myDFPlayer.play(1); // Play first MP3
  delay(2000);
  myDFPlayer.next();  // Play next
  delay(2000);
  myDFPlayer.next();  // Play next
  delay(2000);
  myDFPlayer.next();  // Play next
  delay(2000);
}