MP3 DF MINI

The DFPlayer Mini is a compact MP3 player module with a built-in amplifier for direct speaker output. Reads audio files from a microSD card (FAT16/FAT32). Can operate standalone with a battery, speaker, and push buttons, or be controlled via UART from Arduino, ESP32, or any MCU. Supports I/O control, UART serial, and AD button control modes.

Specifications:

• Interface: UART serial, I/O control, AD button
• Storage: microSD (FAT16 / FAT32)
• Output: Speaker (direct drive, built-in amplifier)
• Compatible: Arduino, ESP32, Raspberry Pi, any UART MCU

Applications:

• Voice prompt systems (navigation, alarms, announcements)
• Automated audio broadcast equipment
• Fire alarm and safety alert systems
• Interactive Arduino audio projects