{"product_id":"ld3320-voice-recognition-board-module-nonspecific-human-speech-voice-control-module-development-board-spi","title":"LD3320 Voice Recognition Module Human Speech Voice Control Module Development Board SPI","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eLD3320 Voice Recognition Module Human Speech Voice Control Module Development Board SPI\u003c\/span\u003e\u003c\/h2\u003e\nThis advanced voice recognition module offers high accuracy and practicality, utilizing non-specific speech recognition technology that eliminates the need for user training. It supports dynamic keyword editing, allowing users to instantly update and recognize up to 50 customized keywords without requiring firmware modifications. Designed to operate at 3.3V, it is compatible with microcontrollers running at the same voltage level. With an ultra-low power-saving mode consuming just 1µA, it is ideal for energy-efficient applications. This module finds extensive use in smart home appliances, kitchen devices like induction cookers and microwave ovens, navigational systems, vending machines, MP3\/MP4 players, digital photo frames, smart toys, gaming consoles, set-top boxes, remote controls, and various public systems such as subway vending machines, tour guides, and intelligent lighting solutions. Its flexibility and ease of integration make it a powerful tool for voice-activated control in modern technology applications.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eOperating voltage: 3.3V (3.3V level single-chip microcontroller must be used for driving)\u003c\/li\u003e\n\u003cli\u003eBuilt-in monaural 16-bit A\/D analog-to-digital conversion\u003c\/li\u003e\n\u003cli\u003eBuilt-in 2-channel stereo 16-bit D\/A digital-to-analog conversion\u003c\/li\u003e\n\u003cli\u003eBuilt-in 20mW dual channel headphone amplifier output\u003c\/li\u003e\n\u003cli\u003eBuilt-in 550mW monaural speaker amplifier output\u003c\/li\u003e\n\u003cli\u003eSupports parallel interface or SPI interface\u003c\/li\u003e\n\u003cli\u003eBuilt-in phase lock circuit PLL, input master control clock frequency is 2MHz-34MHz\u003c\/li\u003e\n\u003cli\u003eOperating voltage: (VDD: for internal core) 3.3V\u003c\/li\u003e\n\u003cli\u003ePower consumption in power saving mode: 1uA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eNon-specific speech recognition\u003c\/li\u003e\n\u003cli\u003eSupports 50 customizable keywords\u003c\/li\u003e\n\u003cli\u003eSPI communication interface\u003c\/li\u003e\n\u003cli\u003eLow power consumption (1µA in power-saving mode)\u003c\/li\u003e\n\u003cli\u003eWorks at 3.3V\u003c\/li\u003e\n\u003cli\u003eBuilt-in \u0026amp; external microphone support\u003c\/li\u003e\n\u003cli\u003e3.5mm audio jacks\u003c\/li\u003e\n\u003cli\u003eStandalone operation (no internet required)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplication\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eIH cooker\/microwave oven\/smart home appliance operation\u003c\/li\u003e\n\u003cli\u003eNavigator, vending machine, MP3\/MP4, digital photo frame\u003c\/li\u003e\n\u003cli\u003eSmart toy\/dialogue toy, PMP\/game console, set-top box\/color TV remote control\u003c\/li\u003e\n\u003cli\u003eSubway vending machine, tour guide Demand TV advertising, public lighting systems\/sanitary systems\/smart home voice control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eDimensions (Lx Wx H)mm: 57 X 23 X 10\u003c\/li\u003e\n\u003cli\u003eWeight (gm): 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 x LD3320 Voice Recognition Module Human Speech Voice Control Module Development Board SPI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":44632750326012,"sku":"KG1023","price":839.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/LD3320SpeechRecognitionModuleSPIVersion_longstriptype.jpg?v=1741323952","url":"https:\/\/kitsguru.com\/de\/products\/ld3320-voice-recognition-board-module-nonspecific-human-speech-voice-control-module-development-board-spi","provider":"KitsGuru","version":"1.0","type":"link"}