{"product_id":"dy-sv17f-mp3-voice-playback-module-4mb-flash-5w-amplifier-io-trigger-uart","title":"DY-SV17F MP3 Voice Playback Module — 4MB Flash, 5W Amplifier, IO Trigger, UART, Arduino","description":"\u003ch2\u003eDY-SV17F MP3 Voice Playback Module — 4MB Flash, 5W Amplifier, IO Trigger, UART, Arduino\u003c\/h2\u003e\u003cp\u003eThe DY-SV17F is a standalone MP3 audio playback module with 4MB onboard SPI flash storage, a built-in 5W Class D mono amplifier, and dual control interfaces: IO trigger (up to 5 GPIO-triggered audio files) and UART serial control (up to 255 audio files). Audio files are uploaded via USB from a PC using the provided software. With 3.3V–5V supply compatibility and direct speaker output (no external amplifier needed), it is the most capable ready-to-use voice prompt and sound effect module for Arduino, ESP32, and embedded product applications.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Format\u003c\/td\u003e\n\u003ctd\u003eMP3 (8kHz–48kHz sample rate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Flash\u003c\/td\u003e\n\u003ctd\u003e4MB SPI flash (stores ~60–120 minutes of voice prompts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier\u003c\/td\u003e\n\u003ctd\u003e5W Class D mono (direct speaker output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Impedance\u003c\/td\u003e\n\u003ctd\u003e4Ω or 8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Interfaces\u003c\/td\u003e\n\u003ctd\u003eIO trigger (5 pins) + UART serial (9600 baud)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Audio Files (UART)\u003c\/td\u003e\n\u003ctd\u003e255 files\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Audio Files (IO)\u003c\/td\u003e\n\u003ctd\u003e5 files (one per IO pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Upload\u003c\/td\u003e\n\u003ctd\u003eUSB (PC software, drag-and-drop)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V – 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eDY-SV17F vs DFPlayer Mini vs JQ8400\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDY-SV17F\u003c\/th\u003e\n\u003cth\u003eDFPlayer Mini\u003c\/th\u003e\n\u003cth\u003eJQ8400\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003e4MB onboard flash\u003c\/td\u003e\n\u003ctd\u003eMicroSD card (up to 32GB)\u003c\/td\u003e\n\u003ctd\u003e8MB onboard flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier\u003c\/td\u003e\n\u003ctd\u003e5W built-in\u003c\/td\u003e\n\u003ctd\u003e3W built-in\u003c\/td\u003e\n\u003ctd\u003e1W built-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO trigger\u003c\/td\u003e\n\u003ctd\u003eYes (5 pins)\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART control\u003c\/td\u003e\n\u003ctd\u003eYes (255 files)\u003c\/td\u003e\n\u003ctd\u003eYes (unlimited)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio upload\u003c\/td\u003e\n\u003ctd\u003eUSB (PC software)\u003c\/td\u003e\n\u003ctd\u003eMicroSD card swap\u003c\/td\u003e\n\u003ctd\u003eUSB (PC software)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eFixed voice prompts, product integration\u003c\/td\u003e\n\u003ctd\u003eLarge audio library, music player\u003c\/td\u003e\n\u003ctd\u003eCompact voice prompt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose DY-SV17F?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5W built-in amplifier\u003c\/strong\u003e — drives a speaker directly, no external amplifier IC needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4MB onboard flash\u003c\/strong\u003e — no SD card to lose or corrupt, reliable for product deployment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual control modes\u003c\/strong\u003e — IO trigger for simple 5-file applications, UART for 255-file complex systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB audio upload\u003c\/strong\u003e — update audio files via USB without disassembling the product\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.3V–5V supply\u003c\/strong\u003e — compatible with Arduino (5V) and ESP32\/STM32 (3.3V)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino UNO\/Nano\u003c\/strong\u003e: SoftwareSerial UART at 9600 baud for UART control mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP32 \/ ESP8266\u003c\/strong\u003e: Hardware UART at 3.3V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTM32\u003c\/strong\u003e: USART peripheral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIO trigger mode\u003c\/strong\u003e: Connect GPIO pin to IO1–IO5 — pull LOW to trigger corresponding audio file\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker\u003c\/strong\u003e: 4Ω or 8Ω speaker, 1–5W rated\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I upload audio files to DY-SV17F?\u003c\/strong\u003e\u003cbr\u003eA: Connect the module to a PC via USB. Use the DY-SV17F PC software (provided by manufacturer) to format the flash and upload MP3 files. Files are numbered sequentially (001.mp3, 002.mp3, etc.) and assigned to IO pins or UART commands. The software handles file conversion and flash programming automatically.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I trigger audio playback from Arduino via UART?\u003c\/strong\u003e\u003cbr\u003eA: Connect DY-SV17F TX to Arduino RX, RX to Arduino TX (via SoftwareSerial). Send the play command: \u003ccode\u003eSoftwareSerial mySerial(10, 11); mySerial.begin(9600); byte cmd[] = {0xAA, 0x07, 0x02, 0x00, 0x01, 0xB4}; mySerial.write(cmd, 6);\u003c\/code\u003e This plays file 001.mp3. Refer to the DY-SV17F UART protocol documentation for the full command set.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How many minutes of audio can 4MB flash store?\u003c\/strong\u003e\u003cbr\u003eA: At 8kHz mono MP3 (typical voice prompt quality, ~8kbps): approximately 60–80 minutes. At 16kHz mono MP3 (~16kbps): approximately 30–40 minutes. At 44.1kHz stereo MP3 (~128kbps): approximately 4–5 minutes. For voice prompts and announcements, 8–16kHz mono provides excellent intelligibility with maximum storage capacity.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× DY-SV17F MP3 Voice Playback Module\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991468265707,"sku":"\u003cnone\u003e","price":13.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/dy-sv17f-mp3-voice-playback-module-4mb-io-trigger-serial-control.webp?v=1761718833","url":"https:\/\/keszoox.com\/products\/dy-sv17f-mp3-voice-playback-module-4mb-flash-5w-amplifier-io-trigger-uart","provider":"Keszoox","version":"1.0","type":"link"}