DFPlayer Mini MP3 Player
Overview
The DFR0299, commonly known as the DFPlayer Mini, is a compact and low-cost MP3 module with a simplified output directly to the speaker. It integrates hard-wired decoding for MP3, WAV, and WMA formats and supports FAT16 and FAT32 file systems.
Why Choose This Part
The module offers a tiny 21mm x 28mm footprint and supports up to a 32GB micro SD card. It eliminates the need for a complex MP3 software stack on the host MCU by providing a simple UART interface and an integrated power amplifier for direct speaker connection.
Applications
Key Specifications
Getting Started
Connect the module to an Arduino or other MCU via UART at 9600 bps and provide a 3.2V to 5V power supply. Use the DFRobot_DFPlayer_Mini library to trigger tracks by folder or index, and ensure your micro SD card is formatted to FAT32 with files stored in a folder named MP3.
