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The DollaTek Voice Sound Playback Module is a compact, feature-rich MP3 player board with an integrated 5W Class D amplifier, supporting MP3/WAV formats and up to 8MB Flash memory. It offers versatile control via UART, I/O triggers, and single-bus serial port, making it ideal for embedded audio applications requiring high-quality playback and easy file updates.
| ASIN | B0BVQKYZ5C |
| Brand | DollaTek |
| Built-In Media | 1 x Voice Playback Module |
| CPU Model | Core M Family |
| Compatible Devices | 3.5mm Audio-enabled Devices |
| Connectivity Technology | USB |
| Customer Reviews | 4.1 4.1 out of 5 stars (37) |
| Item Dimensions L x W x H | 35L x 35W x 5H millimeters |
| Manufacturer | DollaTek |
| Memory Storage Capacity | 8 MB |
| Mfr Part Number | CP020246 |
| Model Name | DollaTek Voice Sound Playback Module |
| Model Number | CP020246 |
| Operating System | Linux |
| Processor Brand | ARM |
| Processor Count | 1 |
| RAM Memory Installed | 0.01 GB |
| RAM Memory Technology | DDR4 |
| Total Usb Ports | 1 |
| Wireless Compability | Bluetooth |
N**.
Davvero semplice da usare, si caricano i wav o mp3 numerati, come fosse una chiavetta (per quanto lentissima) e poi, nella modalità base, basta portare i pin a ground e parte il suono. Credo abbiano delle resistenze di pullup integrate. Con arduino si puo' attivare il suono passando dal pin in modalità INPUT (ad alta impedenza) a OUTPUT LOW per qualche millisecondo e poi tornare INPUT. Unica "pecca" è che i suoni non partono proprio istantaneamente, c'e' un leggero delay (una frazione di secondo) da quando il pin va a ground a quando parte effettivamente il suono. Almeno, io osservo questo, non so se possa dipendere dal mio setup ma non credo. Anche il wav che ho testato e' corretto senza silenzio iniziale. Ho provato solo la modalità "semplice" quella di default (un pin, un suono), non quelle piu' avanzate, non ne avevo bisogno per il mio progetto. Segnalo anche la board SV5W che e' simile ma sfrutta una scheda SD invece di una memoria interna (se gli 8 mega non vi bastano) In ogni caso, davvero un modo indolore per integrare dei suoni preconfezionati nei nostri progetti
4**Z
Recognised by Win 10 PC as a USB drive by simply plugging into the Micro USB port. Comes pre-configured with 9 small MP3 files each one contains the voice of someone speaking the file number in Mandarin, simply replace these files with your own renamed ones and you are in business. The most important information relates to the 3 mode switches which change the way the playback mode is triggered, I have attached this missing information here for you. I could not find their own web site for help. It is possible to interface to Arduino as well, simple coding, again you need to search for that information. A very good value device for adding sounds, voice or alerts to your home projects. Does not come with data sheet, header pins or a USB cable, or a speaker but that keeps the cost down. UPDATE: Couple of extra points: These boards are very dependent on a good supply voltage - lower supply to 4.2V it will still function but only at lower volumes, so you will need a buck converter supply to run from a 3.7V LiPo cell. Another issue is that in stand-alone mode, triggering inputs with a solid ground (which remains grounded) produces constant repeat playback of the relevant sound file over and over. Only by removing the ground (or power) will stop the playback, these boards are not single-shot playback so it may be necessary to employ schmitt trigger circuits if you need to prevent this or use the Arduino UART mode. None of the three program switch positions have any affect on constant repeat playback, which is a shame for my application.
C**S
Funciona perfectamente y tienes muchas opciones de configuración.
C**E
Correspond parfaitement à la description
G**D
Durch einen bekannten bin ich auf die Suche nach ein Gerät gegangen, welches auf Knopfdruck spricht oder Geräusche von sich gibt. Bedingung war natürlich, wenn die Spannung weg ist müssen die Daten erhalten bleiben. Das Audioformat sollte mp3 oder wav sein. Alle diese Forderungen erfüllt das DY-SV8F. Auch wenn der Speicher auf den ersten Blick nicht groß ist, reicht er für meinen Zweck und auch für viele andere Anwendungen vollständig aus. Der integrierte Verstärker ist ausreichend laut. Abgesehen davon könnte das Audiosignal ja auch über einen Lineout Ausgang (3,5mm Klinke) an exteren Geräte angeschlossen werden. Es werden relativ wenig zusätzliche Bauelemente benötigt. Ein Header für die 14 Anschlüsse, 8 Microtaster (meine Empfehlung, sie geben sicheren Kontakt) und eine Spannungsquelle 5V. Wer nicht eine größere Spannung aufbereiten möchte, z.B. mit einem Spannungssabilisator, verwendet einfach eine Batteriehalterung für 3xAA Batterien. Ich spreche selbst Texte ein und rufe diese dann auf Knopfdruck ab. Der Preis ist unschlagbar und so kann ich auch unkonvetionelle Dinge damit realisieren. Mein Test verlief erfolgreich und nun bekommen meine Enkeltöchter eine Beschallungsanlage mit Ansagetexte für ihren Kaufmannsladen. Wie im Supermarkt.
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