The DF Mini MP3 Player is a compact and cost-effective MP3 module that can be directly connected to a speaker. It can be used as a standalone module with battery, speaker, and push buttons, or in combination with an Arduino or other controller with RX/TX capabilities. It is widely used in applications like voice announcements, sound effects, and audio playback in various projects.

Key Features:

Compact Size: Small form factor for easy integration Storage: Supports microSD cards up to 32GB File Format: MP3, WAV, and WMA file formats Built-in Amplifier: 3W amplifier for direct speaker connection Control Interface: Serial (UART), AD (Analog), or GPIO (General Purpose Input/Output) Power Supply: 3.2V to 5.0V DC Technical Specifications:

Operating Voltage: 3.2V to 5.0V DC Storage Medium: MicroSD card (up to 32GB) Audio Formats: MP3, WAV, WMA Amplifier: 3W built-in amplifier Control Interface: Serial (UART): For communication with microcontrollers AD (Analog): For controlling playback with potentiometers GPIO: For simple control using buttons or switches Output: Speaker (direct connection), headphone jack (if available) Dimensions: Compact and suitable for integration into various projects Applications:

Voice Announcements: Ideal for applications requiring voice prompts or messages. Sound Effects: Used in interactive displays, exhibits, and installations. Audio Playback: Suitable for DIY projects, toys, and educational tools. Embedded Systems: Integrated into products requiring audio feedback or instructions. Prototyping: Useful in developing and testing audio-based applications. Datasheet: For detailed technical information, refer to the DF Mini MP3 Player datasheet.