DFPlayer Mini MP3 Module

The DFPlayer Mini MP3 Module is a compact and easy-to-use audio playback module designed for Arduino, ESP32, Raspberry Pi, and other microcontroller projects. With built-in MP3 decoding and a 3W audio amplifier, this module can directly drive a speaker without requiring an external amplifier. It supports MP3, WAV, and WMA audio formats stored on a Micro SD/TF card, making it ideal for voice announcements, DIY music players, smart home devices, alarm systems, and interactive electronics projects.

Its UART serial interface allows seamless communication with microcontrollers, while standalone operation is also possible using push buttons. The module supports Micro SD cards up to 32GB with FAT16/FAT32 file systems and provides high-quality audio output through its integrated 24-bit DAC.

Features

• Supports MP3, WAV, and WMA audio formats
• Built-in 3W mono audio amplifier
• Compatible with Arduino, ESP32, Raspberry Pi, and other MCUs
• UART serial communication interface
• Supports Micro SD/TF cards up to 32GB
• 24-bit DAC for clear audio output
• Multiple control modes: Serial, I/O, and AD Key
• Compact size for embedded projects
• Adjustable volume and EQ settings
• Low power consumption

Specifications

• Operating Voltage: 3.2V – 5V DC
• Audio Formats: MP3, WAV, WMA
• Storage: Micro SD/TF Card (up to 32GB)
• DAC Resolution: 24-bit
• Signal-to-Noise Ratio: 85dB
• Built-in Amplifier Output: 3W Mono
• Communication: UART Serial
• Sampling Rates: 8kHz – 48kHz

Applications

• Voice announcement systems
• DIY MP3 players
• Home automation projects
• Security and alarm systems
• Educational electronics projects
• Interactive exhibits and toys
• IoT audio notification devices

Package Includes:

• 1 × DFPlayer Mini MP3 Module