The DFPlayer Mini is a tiny, all-in-one audio module that integrates MP3, WAV, and WMA decoding. It works as a standalone module with a battery, speaker, and push buttons, or it can be controlled by any microcontroller with a serial port (UART). Whether you want to add voice instructions to your robot or play custom sound effects on your arcade machine, this module makes audio integration effortless.
Key Features
Multiple Formats: Supports common audio formats including MP3, WAV, and WMA.
Storage Options: Features a built-in microSD card slot for storing hundreds of audio files.
Easy Control: Supports UART serial control mode for full integration with Arduino, ESP32, or STM32.
Direct Speaker Drive: Includes an onboard 3W amplifier capable of driving a small 8Ω speaker directly.
Volume Control: 30 levels of adjustable volume to suit any environment.
Technical Specifications
Feature
Specification
Supported Frequencies
8kHz, 11.025kHz, 12kHz to 44.1kHz, 48kHz
Output
24-bit DAC, supports 90dB dynamic range
Control Mode
UART Serial (or Standalone Buttons)
Storage
MicroSD Card (Supports FAT16/FAT32)
Input Voltage
3.3V – 5V DC
Dimensions
Approx. 20mm x 21mm
Popular DIY Projects
Robotics Voice: Give your robot a voice for status updates.
Custom Alarms: Create personalized doorbell or security alarm sounds.
Interactive Toys: Build educational devices that play sounds when buttons are pressed.
Art Installations: Trigger sound effects based on motion sensors.
Weight
2000 g
Dimensions
15 × 10 × 5 cm
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