1. Úvod
The stemedu FZ4523 Recordable Sound Module is a versatile and programmable audio playback device designed for creative DIY projects. With 8MB of internal memory, it supports MP3 and WAV audio formats, allowing users to easily upload custom sounds. It features both button and TTL trigger control modes, making it suitable for applications such as musical greeting cards, DIY music boxes, photo frames, and other interactive gifts. This manual provides detailed instructions for setting up, operating, and maintaining your sound module.
2. Specifikace
| Funkce | Specifikace |
|---|---|
| Napájecí zdroj Voltage | 4.5-5V (for non-rechargeable battery) or 3.4-5V (for 3.7V rechargeable lithium battery) |
| BERAN | 8 MB |
| Zvukový výstupní výkon | 0.5-1W |
| Režimy ovládání | Button / TTL |
| Module Board Dimensions | Rozměr 31 mm x 32 mm |
| Průměr reproduktoru | 35 mm |
| Materiál | ABS plast |
| Doporučený věk | 14+ let |
| Vysoce znepokojená chemikálie | Žádný |
3. Obsah balení
The standard package (Bundle 1) includes the following items:
- 1 x Recordable Sound Module (main board with speaker and button pre-connected)
- 1 x Battery Case (requires 3 x AAA batteries, not included)
- 1 x Micro USB kabel
4. Pokyny k nastavení
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4.1 Připojení napájení
The module can be powered by either a 4.5-5V non-rechargeable battery source (e.g., 3x AAA batteries in the provided battery case) or a 3.4-5V 3.7V rechargeable lithium battery. Ensure correct polarity when connecting the power source.
Figure 4.1: Battery Box (3x AAA batteries required, not included) -
4.2 Zapojení komponent
The speaker and button are typically pre-connected to the main sound module board. If not, connect them to the designated ports as shown in the diagram below. The battery case connects to the power input wires (red for positive, black for negative).
Figure 4.2: Module Connected with Musical Notes 
Figure 4.3: Module Board Diagram with Labeled Components -
4.3 Uploading Audio Files
To upload MP3 or WAV audio files to the module's 8MB memory:
- Connect the module to your computer using the provided Micro USB cable.
- The module will be recognized as a removable USB drive (similar to an MP3 player).
- Přetáhněte požadovaný audio soubor MP3 nebo WAV files into the module's storage.
- Safely eject the USB drive from your computer before disconnecting the cable.
5. Návod k obsluze
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5.1 Basic Playback (Button Control)
Jednou audio files are uploaded and the module is powered, press the connected button to trigger playback according to the selected mode (see Section 5.2).
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5.2 Přepínání režimů
The module supports various playback modes, which can be configured by adjusting the 3.3K resistors on the board. The default mode is '000'. Refer to the table below for different mode configurations and their corresponding behaviors for both Button Control and TTL Control.
Figure 5.1: Mode Switching Table Control Mode Notes:
- In the table, '0' means with 3.3K resistor; '1' means without 3.3K resistor.
- Power-ON-Play Mode: The module will enter Power-ON-Play mode if short circuit between two pads of button. This means it will play voice immediately when powered on.
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5.3 Nastavení hlasitosti
Locate the volume adjuster on the module board (refer to Figure 4.3) and use a small screwdriver to adjust the playback volume as needed.
6. Údržba
- Keep the module in a dry environment to prevent damage from moisture.
- Nevystavujte modul extrémním teplotám nebo přímému slunečnímu záření.
- Handle the circuit board with care to prevent static discharge or physical damage to components.
- If using the battery case, replace AAA batteries when playback quality degrades or the module stops responding.
- V případě potřeby modul jemně očistěte suchým, měkkým hadříkem. Nepoužívejte tekutiny ani agresivní chemikálie.
7. Řešení problémů
- Žádný zvuk:
- Zkontrolujte, zda je zdroj napájení správně připojen a zda poskytuje dostatečné napětí.tage.
- Ensure batteries are inserted correctly and are not depleted.
- Verify the speaker is properly connected to the module.
- Confirm that audio files are successfully uploaded to the module's memory.
- Check the selected mode configuration (refer to Section 5.2) to ensure it matches your intended trigger method.
- Module Not Recognized by Computer:
- Ensure the Micro USB cable is securely connected to both the module and the computer.
- Zkuste jiný port USB na počítači.
- Zkuste jiný kabel Micro USB.
- Restartujte počítač.
- Problémy s kvalitou zvuku:
- Check the quality of the original audio file.
- Adjust the volume using the volume adjuster on the board.
- Ujistěte se, že reproduktor není zablokován.
8. Uživatelské tipy
- Kreativní aplikace: This module is perfect for personalizing gifts. Consider embedding it in handmade greeting cards, photo albums, or custom-built music boxes for a unique touch.
- Experimentujte s režimy: Explore the different playback modes (Section 5.2) to find the best fit for your project. For example, a 'play once and stop' mode is ideal for greeting cards, while a 'cycle play' mode might suit a continuous display.
- Zvuk File Řízení: Keep your audio files organized and ensure they are in MP3 or WAV format for compatibility. Remember the 8MB memory limit when selecting files.
- Power-On-Play: For projects that require immediate sound upon activation, utilize the Power-ON-Play mode by shorting the button pads.
9. Představení produktu
10. Dodržování předpisů a varování
⚠ VAROVÁNÍ: Tento výrobek vás může vystavit chemikáliím včetně ftalátů (DEHP), o kterých je ve státě Kalifornie známo, že způsobují rakovinu a vrozené vady nebo jiné reprodukční poškození. Více informací naleznete na www.P65Warnings.ca.gov.
11. Záruka a podpora
For technical support, troubleshooting assistance, or warranty inquiries, please contact the seller directly through the platform where the product was purchased. Please provide your order number and a detailed description of the issue for prompt assistance.
