{"product_id":"wtv020m01-audio-sound-module-micro-sd-voice-playback-arduino","title":"WTV020M01 Audio Sound Module Micro SD Card Voice Playback for Arduino","description":"\u003ch2 style=\"text-align:center;\"\u003eWTV020M01 Audio Sound Module - Micro SD Card Voice Playback for Arduino and Embedded Projects\u003c\/h2\u003e\u003cp style=\"text-align:center;\"\u003eAdd voice prompts, sound effects, and audio playback to your Arduino or microcontroller project with the WTV020M01 audio module. This compact DIP-footprint blue PCB board houses the WTV020 audio IC, a push-fit micro SD card slot for storing .ad4 audio files, and a simple SPI or GPIO control interface. Ideal for talking alarm systems, interactive toy sound effects, announcement systems, and any project requiring on-demand audio playback.\u003c\/p\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/sidekick.shopify.ai\/rails\/active_storage\/blobs\/redirect\/eyJfcmFpbHMiOnsiZGF0YSI6Mzc1MzgyNzcwNSwicHVyIjoiYmxvYl9pZCJ9fQ==--87cd996950af785a2ba4d66b1c8036f54cd075c8\/WhatsApp_Image_2026-09-15_at_7.05.17_PM_2.jpeg\" alt=\"WTV020M01 audio sound module top view showing micro SD card slot WTV020 IC and DIP pin headers on blue PCB\" style=\"max-width:100%;height:auto;border-radius:8px;\"\u003e\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWTV020 audio IC - dedicated voice and sound playback processor\u003c\/li\u003e\n\u003cli\u003eMicro SD card slot - stores audio files in .ad4 format (converted from WAV)\u003c\/li\u003e\n\u003cli\u003eSPI and GPIO control modes - flexible interface with Arduino, ESP32, and any microcontroller\u003c\/li\u003e\n\u003cli\u003eDIP-compatible pin layout - breadboard and PCB mount friendly\u003c\/li\u003e\n\u003cli\u003eSupports up to 512 audio files on micro SD card\u003c\/li\u003e\n\u003cli\u003eBuilt-in DAC output - connect directly to a small speaker or amplifier module\u003c\/li\u003e\n\u003cli\u003e3.3V and 5V compatible supply - works with both Arduino 5V and 3.3V systems\u003c\/li\u003e\n\u003cli\u003eCompact blue PCB with through-hole pin headers - easy integration\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/sidekick.shopify.ai\/rails\/active_storage\/blobs\/redirect\/eyJfcmFpbHMiOnsiZGF0YSI6Mzc1MzgyNzcxNywicHVyIjoiYmxvYl9pZCJ9fQ==--776a8436e2664490bd07d03ad9b2d1cc2bdcb19e\/WhatsApp_Image_2026-09-15_at_7.05.18_PM_1.jpeg\" alt=\"WTV020M01 audio module angled view showing micro SD slot push connector and WTV020M01 V1.00 label on blue PCB\" style=\"max-width:100%;height:auto;border-radius:8px;\"\u003e\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e WTV020M01 V1.00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio IC:\u003c\/strong\u003e WTV020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Micro SD card (FAT16\/FAT32)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Format:\u003c\/strong\u003e .ad4 (converted from WAV using WTV020 tools)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Files:\u003c\/strong\u003e Up to 512 audio tracks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Interface:\u003c\/strong\u003e SPI mode or 1-bit GPIO key mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3.3V - 5V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Speaker output (built-in DAC, requires small amplifier for loud output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin Count:\u003c\/strong\u003e 16 DIP pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCB Color:\u003c\/strong\u003e Blue\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/sidekick.shopify.ai\/rails\/active_storage\/blobs\/redirect\/eyJfcmFpbHMiOnsiZGF0YSI6Mzc1MzgyNzg5OCwicHVyIjoiYmxvYl9pZCJ9fQ==--359d3a1fe1009d07c9e9d358eb5ea0aefd7d9f49\/WhatsApp_Image_2026-09-15_at_7.05.18_PM.jpeg\" alt=\"WTV020M01 audio module bottom view showing WTV020 SMD IC and passive components on blue PCB\" style=\"max-width:100%;height:auto;border-radius:8px;\"\u003e\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConvert your WAV audio files to .ad4 format using the free WTV020 audio conversion tool\u003c\/li\u003e\n\u003cli\u003eCopy .ad4 files to a FAT-formatted micro SD card with filenames 0000.ad4, 0001.ad4, etc.\u003c\/li\u003e\n\u003cli\u003eInsert the micro SD card into the module slot\u003c\/li\u003e\n\u003cli\u003eConnect VCC, GND, and control pins to your Arduino or ESP32\u003c\/li\u003e\n\u003cli\u003eUse SPI mode for full control or GPIO key mode for simple one-button-per-track playback\u003c\/li\u003e\n\u003cli\u003eConnect speaker output pins to a small speaker or PAM8403 amplifier module\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerfect For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino and ESP32 Voice Prompt and Announcement Projects\u003c\/li\u003e\n\u003cli\u003eInteractive Toy and Game Sound Effects\u003c\/li\u003e\n\u003cli\u003eTalking Alarm and Alert Systems\u003c\/li\u003e\n\u003cli\u003eMuseum and Exhibition Audio Trigger Displays\u003c\/li\u003e\n\u003cli\u003eDoorbell and Chime Custom Sound Replacement\u003c\/li\u003e\n\u003cli\u003eRobotics Voice Output and Status Audio Feedback\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align:center;\"\u003e\u003cstrong\u003eOrder now and add custom audio playback to your Arduino or ESP32 project with the WTV020M01 sound module.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Lahore Store","offers":[{"title":"Default Title","offer_id":56103989248073,"sku":"MOD-WTV020M01-AUDIO-SD","price":530.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/9090\/2089\/files\/WhatsApp_Image_2026-09-15_at_7.05.17_PM_2.jpg?v=1789482965","url":"https:\/\/lahorestore.pk\/products\/wtv020m01-audio-sound-module-micro-sd-voice-playback-arduino","provider":"Lahore Store","version":"1.0","type":"link"}