{"product_id":"ai-thinker-esp32-a1s-wifi-bt-audio-development-board","title":"Ai Thinker ESP32-A1S WiFi+BT Audio Development Board","description":"\u003cmeta name=\"description\" content=\"Buy Ai Thinker ESP32A1S WiFiBT Audio Development Board online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eAi Thinker ESP32-A1S WiFi+BT Audio Development Board\u003c\/h1\u003e\n\n\u003cp\u003eBuild powerful audio applications with the Ai Thinker ESP32-A1S - a feature-rich development board combining ESP32 dual-core processing, Wi-Fi, Bluetooth, and an integrated audio codec in a compact module. Ideal for smart speakers, voice assistants, internet radios, and IoT audio projects. Available now from The Engineer Store, Bengaluru, with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule\u003c\/td\u003e\n\u003ctd\u003eAi Thinker ESP32-A1S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eESP32 Dual-Core Xtensa LX6, up to 240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Codec\u003c\/td\u003e\n\u003ctd\u003eIntegrated AC101 \/ ES8388 audio codec (version dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n, 2.4 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eBluetooth v4.2 Classic + BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB SPI Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSRAM\u003c\/td\u003e\n\u003ctd\u003e4 MB \/ 8 MB PSRAM (version dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Interfaces\u003c\/td\u003e\n\u003ctd\u003eI2S, built-in DAC\/ADC, microphone input, headphone\/speaker output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO\u003c\/td\u003e\n\u003ctd\u003eMultiple GPIO pins broken out for peripherals, buttons, LEDs, SD card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSD Card Support\u003c\/td\u003e\n\u003ctd\u003eMicroSD card slot for audio file storage and playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V (module), 5V input via USB or VIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eOnboard PCB antenna with optional IPEX\/U.FL connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFramework Support\u003c\/td\u003e\n\u003ctd\u003eESP-IDF, Arduino IDE, ESP-ADF (Espressif Audio Development Framework)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 16 x 24 mm (module); development board dimensions vary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eAudio Development Board \/ IoT Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal Ai Thinker - 100% Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp Technical Support 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-in-One Audio SoC:\u003c\/strong\u003e Integrated audio codec eliminates the need for external DAC\/ADC ICs, simplifying circuit design for audio applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP32 Dual-Core Power:\u003c\/strong\u003e 240 MHz dual-core processor handles simultaneous audio processing, Wi-Fi streaming, and Bluetooth connectivity without lag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi + Bluetooth Connectivity:\u003c\/strong\u003e Stream audio over Wi-Fi (internet radio, Spotify Connect, AirPlay) or Bluetooth (A2DP sink\/source, HFP for hands-free calling).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSRAM for Audio Buffering:\u003c\/strong\u003e Onboard PSRAM provides ample memory for audio buffering, MP3\/AAC\/FLAC decoding, and complex DSP tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicroSD Card Slot:\u003c\/strong\u003e Play audio files directly from a microSD card - supports WAV, MP3, FLAC, and other common formats via ESP-ADF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrophone Input:\u003c\/strong\u003e Built-in microphone interface for voice recording, voice recognition, and voice assistant integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone \u0026amp; Speaker Output:\u003c\/strong\u003e Drive headphones directly or connect to external speakers through the onboard amplifier output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP-ADF Compatible:\u003c\/strong\u003e Fully supported by Espressif's official Audio Development Framework with ready-to-use examples for music players, voice assistants, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small module footprint makes it easy to embed into custom enclosures and finished products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile GPIO Access:\u003c\/strong\u003e Exposed GPIO pins for connecting buttons, rotary encoders, OLED displays, LED indicators, and additional sensors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the ESP32-A1S?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Authentic Ai Thinker:\u003c\/strong\u003e Sourced directly from authorized channels - guaranteed genuine components with full traceability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Shipping:\u003c\/strong\u003e 1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse. Same-day dispatch available for Bengaluru orders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Audio \u0026amp; IoT Support:\u003c\/strong\u003e Our engineers can help you with ESP-ADF setup, codec configuration, Bluetooth audio pairing, and custom firmware development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective Audio Solution:\u003c\/strong\u003e Replaces separate Wi-Fi module + microcontroller + audio codec setups with a single integrated board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Community \u0026amp; Documentation:\u003c\/strong\u003e Large ESP32 community, comprehensive Ai Thinker datasheets, and Espressif's official documentation ensure you're never stuck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Smart Speaker:\u003c\/strong\u003e Build your own Alexa-compatible or custom voice-controlled smart speaker with Wi-Fi streaming and Bluetooth input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternet Radio Player:\u003c\/strong\u003e Stream thousands of online\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy Ai Thinker ESP32-A1S WiFi+BT Audio Development Board Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eAi Thinker ESP32-A1S WiFi+BT Audio Development Board\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eAi Thinker ESP32-A1S WiFi+BT Audio Development Board\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eAi Thinker ESP32-A1S WiFi+BT Audio Development Board\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43720273559715,"sku":"TES-EV2329","price":1045.9,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/1691486876396-0a0b3c00f0c64fc2-714ABCFCA4CBF431E42B94EEC03CDE6F.jpg?v=1699528706","url":"https:\/\/www.theengineerstore.in\/te\/products\/ai-thinker-esp32-a1s-wifi-bt-audio-development-board","provider":"The Engineer Store","version":"1.0","type":"link"}