Mini SD Card MP3 Sound Module WTV020-SD-16P
₹118.00 incl. GST (₹100.00 + GST)
8 in stock
The Mini SD Card MP3 Sound Module WTV020-SD-16P is a compact audio playback module compatible with Arduino, PIC, and other microcontrollers. It supports AD4 and WAV audio files stored on an SD card and allows individual or combined voice playback. With simple microcontroller or key control, it is ideal for voice prompts, robotics, alarms, interactive projects, and DIY electronics.
Product Description
The Mini SD Card MP3 Sound Module WTV020-SD-16P is a compact audio playback module designed to add voice and sound functionality to Arduino, PIC, and other microcontroller-based projects. It supports audio files stored on an SD card and provides simple control through a microcontroller or external keys.
The module supports 4-bit ADPCM/AD4 and WAV audio formats and can automatically recognize stored voice files. It allows individual voice segments to be selected and played, as well as supporting combination playback for creating customized audio sequences.
With its compact design, easy operation, and low storage requirements, the module is suitable for DIY electronics, robotics, interactive projects, voice prompts, alarms, and educational applications.
Note: This product is available in the WTV020-SD-16P variant. The HW-251 board may be supplied depending on the product version; its working functionality remains the same.
Features
- WTV020-SD-16P audio playback module
- Supports SD card storage
- Supports FAT file system
- Supports 4-bit ADPCM/AD4 audio
- Supports WAV audio
- Automatic voice-file recognition
- Microcontroller control
- Key-control support
- Supports individual voice segment playback
- Supports combination playback
- Supports mute combinations
- Retains operating data when power is removed
- Compact and space-saving design
- Suitable for Arduino and PIC projects
- No special software required to load voice files onto the SD card
Specifications
| Parameter | Specification |
|---|---|
| Product Type | Mini SD Card Sound Module |
| Variant | WTV020-SD-16P |
| Storage | SD Card |
| Maximum SD Card Capacity | Up to 1GB |
| File System | FAT |
| Audio Formats | AD4 / WAV |
| AD4 Sampling Rate | 6kHz–32kHz, 36kHz |
| WAV Sampling Rate | 6kHz–16kHz |
| Control | Microcontroller / Key |
| Playback | Individual / Combination |
| Application | Voice & Sound Playback |
Working Principle
Audio files are stored on a compatible SD card and automatically recognized by the module. A microcontroller or connected keys can then control the playback of individual voice segments or combinations of stored audio files.
The module processes the stored audio and provides the corresponding sound output, allowing voice and sound playback to be added to an electronic project without requiring complex audio-processing circuitry.
Applications
- Arduino projects
- PIC microcontroller projects
- Robotics
- Voice prompt systems
- Interactive electronics
- DIY audio projects
- Educational projects
- Electronic toys
- Alarm systems
- Voice notifications
- Automated announcements
- Interactive displays
- Embedded sound systems
Package Includes
- 1 × Mini SD Card MP3 Sound Module
Product Disclaimer
This product is available as the WTV020-SD-16P variant. The HW-251 board designation may vary depending on the supplied hardware version, while the working functionality remains the same.
Product images are for representation purposes only. The actual product may vary slightly in colour, PCB layout, components, or appearance depending on the manufacturing batch.
For detailed technical specifications, file naming requirements, pin configuration, and operating instructions, refer to the datasheet provided with the product.
FAQs
1. What is the Mini SD Card MP3 Sound Module?
It is a compact audio playback module designed for adding voice and sound playback to electronic projects.
2. Which variant is available?
The available variant is WTV020-SD-16P.
3. Which audio formats are supported?
It supports AD4 (4-bit ADPCM) and WAV audio formats.
4. What type of storage does it use?
The module uses an SD card for storing audio files.
5. What is the maximum supported SD card capacity?
The module supports an SD card with a capacity of up to 1GB.
6. Can it be controlled using Arduino?
Yes. It can be controlled using Arduino and other compatible microcontrollers.
7. Can it be used with PIC microcontrollers?
Yes. The module is suitable for PIC-based projects as well.
8. Does it support key control?
Yes. The module supports external key control in addition to microcontroller control.
9. Can individual voice files be played?
Yes. The module can select and play individual voice segments.
10. Does it support combined audio playback?
Yes. Multiple audio files can be combined for sequence or combination playback, including mute combinations.
11. What sampling rates are supported?
AD4 audio supports approximately 6kHz–32kHz, with 36kHz also supported, while WAV audio supports 6kHz–16kHz.
12. Does it automatically recognize voice files?
Yes. The module can automatically recognize compatible voice files stored on the SD card.
13. Does it require special software to load audio?
No. Voice files can be loaded onto the SD card without dedicated software assistance, provided they meet the required format and file structure.
14. What are the common applications?
It is suitable for robotics, voice prompts, alarms, electronic toys, interactive projects, Arduino projects, and DIY audio systems.
15. Is the SD card included?
No. The SD card is not included unless specifically mentioned in the package contents.
16. What is included in the package?
- 1 × Mini SD Card MP3 Sound Module
17. Can the module retain operating information after power loss?
Yes. The module supports saving operating data when power is switched off.
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