Description
Technical Specifications
- Model: DFPlayer-A Mini
- Operating Voltage: 3.2V – 5V
- Communication Interface: UART (Serial)
- Supported Audio Formats: MP3, WAV
- Storage Support:
- Micro SD/TF card (up to 32GB)
- FAT16 / FAT32 file system
- Built-in Audio Decoder: Yes
- Built-in Amplifier: 24-bit DAC, 3W mono output (with external speaker)
- Output Mode:
- DAC (headphone/line out)
- Speaker output (directly drives 3W speaker)
- Control Options:
- MCU via UART (Arduino, ESP32, STM32, etc.)
- GPIO mode (standalone playback)
- Bit Rate: 8–320 kbps
- Features:
- Supports up to 100 folders
- Each folder supports 255 songs
- Adjustable volume, EQ, and playback modes
- Low power consumption
- Dimensions: ~20mm × 15mm × 3mm
Technical Description
The DFRobot DFPlayer-A Mini MP3 Player Module is a compact and powerful audio playback solution designed for embedded electronics, robotics, DIY gadgets, and Arduino-based audio projects. This versatile module supports TF/micro SD card storage, playing MP3 or WAV files directly without requiring a complex audio system.
With its built-in 24-bit DAC and 3W amplifier, the DFPlayer Mini can drive a speaker directly, making it ideal for voice prompts, sound effects, alarms, talking robots, and interactive projects. It supports both UART serial control (Arduino, ESP32, STM32, Raspberry Pi) and standalone GPIO trigger mode, offering flexibility for beginners and advanced users.
Featuring high-quality audio decoding, multiple playback modes, adjustable volume, folder support, and low power consumption, the DFPlayer Mini is one of the most popular audio modules in electronics prototyping and production systems.
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