DY-SV5W 5W MP3 Voice Playback Module – UART I/O SD Arduino
DY-SV5W 5W MP3 Voice Playback Module – UART I/O SD Arduino
DY-SV5W 5W Voice Playback Amplifier Module – MP3 Player for Arduino & DIY Projects
The DY-SV5W is a compact, all-in-one intelligent voice playback module designed for makers, engineers, and hobbyists. With a built-in 5W Class D amplifier, onboard SD/TF card support, UART serial control, and I/O trigger functionality, this module is the perfect audio engine for Arduino projects, interactive installations, robotics, and more — all in a tiny 40×40×9 mm footprint.
Made in Mainland China.
Key Features
- MP3 & WAV Decoding – Supports both MP3 and WAV audio formats right out of the box.
- Multiple Sampling Frequencies – Compatible with 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48 KHz sample rates.
- High-Quality 24-bit DAC Output – Dynamic range up to 90 dB and SNR support of 85 dB for clean, clear audio.
- FAT16 & FAT32 File System – Supports up to 32 Gbit (4 MByte) TF card and 32 Gbit (4 MByte) U-disk storage.
- UART Serial Control – Full playback control: play, pause, track selection, volume adjustment (up to 65,535 songs), at a baud rate of 9600 bit/s.
- I/O Trigger Mode – 8-bit I/O ports can trigger up to 8 tracks individually, or combine up to 255 songs via port combinations.
- ONE_Line Single Bus Control – Single-wire serial control for playback, pause, track selection, and volume.
- 7 Work Modes – Configure via 3 I/O mode-selection pins for maximum flexibility in your application.
- Built-in 5W Class D Amplifier – Directly drives a 4Ω, 3–5W speaker without any external amplifier circuit.
- Multiple Interfaces – 3.5mm audio jack, USB (for TF card audio file updates), Micro USB download interface, and button module — all integrated.
Technical Specifications
| Model | DY-SV5W |
| Operating Voltage | DC 5V |
| Amplifier Output | 5W Class D |
| Speaker Compatibility | 4Ω, 3–5W |
| Supported Formats | MP3, WAV |
| DAC | 24-bit, 90 dB dynamic range, 85 dB SNR |
| Max Storage | 32 Gbit (4 MByte) TF card / U-disk |
| Control Interfaces | UART (9600 bps), I/O Trigger, ONE_Line |
| Working Temperature | -20°C to 85°C |
| Working Humidity | 0% – 95% RH |
| Dimensions | 40 × 40 × 9 mm |
| Package | 1 × DY-SV5W Voice Playback Module |
What's in the Box
- 1 × DY-SV5W Voice Playback Amplifier Module
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Frequently Asked Questions
Q: What control methods does the DY-SV5W voice playback module support?
A: The DY-SV5W supports three control methods: UART serial port control (9600 bps baud rate), I/O trigger control (8-bit ports for up to 255 songs), and ONE_Line single-bus serial control. This makes it highly versatile for integration into Arduino, microcontroller, and other DIY electronics projects.
Q: What audio formats and storage does this MP3 module support?
A: The module supports MP3 and WAV audio formats. It is compatible with FAT16 and FAT32 file systems and can accommodate TF (SD) cards and U-disks with up to 32 Gbit (4 MByte) capacity. You can easily update audio files by connecting the module to a computer via USB cable.
Q: Can the DY-SV5W directly drive a speaker without an external amplifier?
A: Yes! The DY-SV5W features a built-in 5W Class D amplifier circuit that can directly drive a 4Ω, 3–5W speaker — no external amplifier required. It also includes a 3.5mm audio jack for connecting headphones or external audio systems.
Q: Is this module compatible with Arduino?
A: Absolutely. The DY-SV5W is designed to integrate seamlessly with Arduino boards and other microcontrollers via its UART serial interface or I/O trigger pins. It operates at DC 5V, making it directly compatible with standard Arduino voltage levels.