{"product_id":"ld3320-speech-recognition-module-non-specific-human-voice-with-stc11-microcontroller","title":"LD3320 Speech Recognition Module Human Voice SPI with STC11 Microcontroller","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eLD3320 Speech Recognition Module Non-specific Human Voice with STC11 Microcontroller\u003c\/span\u003e\u003c\/h2\u003e\nThe LD3320 Speech Recognition Module with STC11 Microcontroller (without a 3.5mm jack) is a powerful, standalone voice recognition module designed for non-specific human speech commands. It supports up to 50 customizable keywords and operates independently without requiring an internet connection. This version comes with a PCB-mounted microphone, eliminating the need for an external audio input jack. It features an SPI communication interface for seamless integration with microcontrollers and embedded systems. Operating at 3.3V to 5V, it has low power consumption, making it ideal for battery-operated applications. With its compact design and efficient performance, this module is widely used in smart home automation, robotics, voice-controlled appliances, and interactive devices.\u003c\/div\u003e\n\u003cdiv class=\"product_info\" style=\"text-align: left;\"\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\u003eModel: LD3320 + STC11 V2.1\u003c\/li\u003e\n\u003cli\u003eMicrocontroller: STC11 onboard\u003c\/li\u003e\n\u003cli\u003eSpeech Recognition: Non-specific, supports 50 customizable keywords\u003c\/li\u003e\n\u003cli\u003eCommunication Interface: SPI\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 3.3V – 5V\u003c\/li\u003e\n\u003cli\u003eCurrent Consumption: 1µA in power-saving mode\u003c\/li\u003e\n\u003cli\u003eBuilt-in Microphone: Yes\u003c\/li\u003e\n\u003cli\u003eExternal Microphone Support: Yes\u003c\/li\u003e\n\u003cli\u003eAudio Output: 3.5mm audio jack\u003c\/li\u003e\n\u003cli\u003eStandalone Operation: No internet required\u003c\/li\u003e\n\u003cli\u003eApplications: Smart home, voice-controlled devices, automation, robotics\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 – No training required\u003c\/li\u003e\n\u003cli\u003eSupports 50 customizable keywords\u003c\/li\u003e\n\u003cli\u003eBuilt-in STC11 microcontroller\u003c\/li\u003e\n\u003cli\u003eSPI communication interface for fast data transfer\u003c\/li\u003e\n\u003cli\u003eLow power consumption – 1µA in power-saving mode\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 3.3V – 5V\u003c\/li\u003e\n\u003cli\u003eSupports both built-in and external microphones\u003c\/li\u003e\n\u003cli\u003e3.5mm audio output jack for external audio devices\u003c\/li\u003e\n\u003cli\u003eStandalone operation – No internet required\u003c\/li\u003e\n\u003cli\u003eIdeal for automation, robotics, and smart home applications\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\u003eSmart home automation systems\u003c\/li\u003e\n\u003cli\u003eVoice-controlled appliances (microwave, induction cooker, etc.)\u003c\/li\u003e\n\u003cli\u003eInteractive voice assistants\u003c\/li\u003e\n\u003cli\u003eVending machines with voice commands\u003c\/li\u003e\n\u003cli\u003eVoice-controlled robots\u003c\/li\u003e\n\u003cli\u003eDigital photo frames with speech activation\u003c\/li\u003e\n\u003cli\u003eSmart toys and interactive dialogue-based toys\u003c\/li\u003e\n\u003cli\u003eVoice-controlled gaming consoles\u003c\/li\u003e\n\u003cli\u003eSet-top boxes and smart TV remote controls\u003c\/li\u003e\n\u003cli\u003ePublic lighting and smart city applications\u003c\/li\u003e\n\u003cli\u003eSubway vending machines and ticketing systems\u003c\/li\u003e\n\u003cli\u003eTour guide systems with voice interaction\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: 45 X 31.5 X 10\u003c\/li\u003e\n\u003cli\u003eUSB PCB Dimensions (Lx Wx H)mm: 37 X 16 X 8\u003c\/li\u003e\n\u003cli\u003eWeight (gm): 35\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 Speech Recognition Module Human Voice with STC11 Microcontroller\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":44632751636732,"sku":"KG1024","price":1999.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/LD3320SpeechRecognitionModuleNon-specificHumanVoicewithSTC11Microcontroller_2.jpg?v=1741324199","url":"https:\/\/kitsguru.com\/de\/products\/ld3320-speech-recognition-module-non-specific-human-voice-with-stc11-microcontroller","provider":"KitsGuru","version":"1.0","type":"link"}