The MP3-TF-16P MP3 Disk TF Card Module (commonly known as the DFPlayer Mini equivalent) is a compact, low-cost MP3 audio decoder module designed to add audio playback capabilities to microcontroller…
The MP3-TF-16P MP3 Disk TF Card Module (commonly known as the DFPlayer Mini equivalent) is a compact, low-cost MP3 audio decoder module designed to add audio playback capabilities to microcontroller projects. Built around a hardware audio decoding IC, it features an onboard Micro SD (TF) card slot supporting FAT16 and FAT32 file systems up to 32GB, making it easy to store and play hundreds of MP3 and WAV files. Equipped with an onboard 3W mono Class-D amplifier, this module can directly drive a small 8-ohm speaker without requiring additional amplification, or output stereo audio via DAC pins to an external amplifier or headphone jack. It supports dual operating modes: standard UART serial control for microcontroller integration and standalone AD-Key / IO button trigger modes for button-operated sound systems. This module is widely used in interactive voice prompt hardware, door chimes, elevator announcements, custom alarm systems, and interactive toys. It is fully compatible with 3.3V and 5V microcontrollers including Arduino, ESP32, ESP8266, Raspberry Pi, PIC, AVR, breadboards, and custom printed circuit boards (PCBs).
| Core Decoder | Hardware MP3 / WAV Audio Processing Chip |
|---|---|
| Storage Media | Onboard Micro SD / TF Card Slot (FAT16 / FAT32 support up to 32GB) |
| Sampling Frequencies Supported | 8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz |
| Dynamic Range | 90dB / SNR: 85dB |
| Onboard Amplifier | Integrated 3W Mono Speaker Amplifier |
| DAC Output | 24-bit DAC output for stereo headphone or external amplifier output |
| Communication Interfaces | UART Serial Control (9600 baud), AD-Key (Resistor ladder button inputs), IO Key Control |
| Volume Control | 30-level adjustable volume and 6-level EQ settings |
| Operating Voltage | 3.2V to 5.0V DC (3.3V / 5V TTL serial logic compatible) |
What is the operating voltage?
3.2V to 5.0V DC (3.3V / 5V TTL serial logic compatible).
Which interface does it use?
UART Serial Control (9600 baud), AD-Key (Resistor ladder button inputs), IO Key Control.
Is it compatible with Arduino and ESP32?
Yes. It works with Arduino, ESP32, ESP8266, Raspberry Pi projects.
Can I buy the MP3-TF-16P MP3 Disk TF Card Module in Kanpur?
Yes – buy online with delivery across India, or pick it up from the iTechBuilders store, Damodar Nagar, Kanpur.
