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.
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 8 speaker directly.
Volume Control: 30 levels of adjustable volume to suit any environment.
| 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 |
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.
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