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Description
A module that allows you to play music files directly from a microSD card through a built-in slot. It communicates with microcontroller (e.g.Arduino) via UART interface - RX and TX pins. DFPlayer works with Mp3, WAV, WMA formats, supports FAT16 and FAT32 file systems.
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Product compatible with Arduino In the network you can finda librarywithconnection instructionsfor Arduino users. |
Specification
- Supply voltage: 3.2 V to 5.0 V
- Supports sampling rate: 8 / 11,025 / 12 / 16 / 22,05 / 24 / 32 / 44,1 /48 kHz
- It has a built-in 24-bit DAC with 90 dB dynamic range and 85 dB SNR
- The device has the ability to adjust the volume in 30 levels with a 6-stage equalizer
- It communicates via UART - RX, TX interface
- Supported formats:MP3 / WAV / WMA
- Files can be sorted into 100 folders of 255 songs each
- MicroSD cardslot
- Supports microSD cards up to 32 GB with FAT16 or FAT32 file system
- Leads: soldered goldpin raster joints 2.54 mm
Exits
| Pin | Description |
|---|---|
| VCC | Supply voltage from 3.2 to 5.0 V. |
| RX | UART serial interface - receiver. |
| TX | UART serial interface - transmitter. |
| DAC_R | Audio output to headphones or amplifier - right. |
| DAC_L | Audio output for headphones or amplifier - left. |
| SPK2 | Output for a speaker below 3 W. |
| GND | The weight. |
| SPK1 | Output for a speaker below 3 W. |
| IO1 | Trigger input, short hold switches the song, long hold decreases the volume. |
| GND | The weight. |
| IO2 | Trigger input, short hold switches the song, long hold increases the volume. |
| ADKEY1 | Trigger input, details inthe user guide. |
| ADKEY2 | Trigger input, details inthe user guide. |
| USB+ | USB interface data line D+. |
| USB- | USB interface data line D-. |
| BUSY | Status output. Low state indicates that a song is currently playing, high state indicates the opposite. |
Useful links |
