LD3320 Speech Recognition Voice Control Module Development Board

Description: Note: LD3320A QFN-48, place an order for the customers who need it, and do not select the ones who don't need it, thank you! P roduct description: Support SPI interface and parallel interface non-specific speech recognition module, onboard microphone and active crystal oscillator, it is convenient to realize speech recognition, voice control and man-machine dialogue functions in electronic products. Product Features: High accuracy and practical speech recognition effect. Person-independent voice recognition technology: does not require users to perform recording training. Dynamically editable recognition keyword list: only need to transfer the recognized keywords into the chip in the form of character strings, which can take effect immediately in the next recognition. For example, in the programming of MCU such as 51, the user simply sets the register of the chip to dynamically pass the content of the identification keyword such as "hello" into the chip, and the chip can recognize the keyword phrase so set. . Support users to freely edit 50 key words: at the same time, at most 50 key words can be recognized. End users can edit and update the content of these 50 key words at any time according to the needs of the scene. Parameter: Working voltage: Support 5V or 3.3V power supply. Communication interface: SPI communication interface. Be sure to use a 3.3V level single-chip microcomputer for driving. Students who use 51 single-chip microcomputers can purchase a low-voltage version of 51 single-chip microcomputer, the model is STC89LE52 single-chip microcomputer. The method of use is the same as the ordinary 51, but the voltage is 3.3V. Recognition of keywords: Supports simultaneous recognition of 50 keywords. Note: The keywords are written in the MCU program, and users can change and update the keywords at will. Whether to bring a single-chip microcomputer: There is no single-chip microcomputer on the board, so that customers can choose a variety of single-chip microcomputers that meet the requirements according to their actual needs. It is economical and has a wide range of applications. It comes with a 20M active crystal oscillator and a high-gain microphone with a very good recognition effect. At the same time, the audio interface is brought out, which is convenient for external peripherals such as microphones and earphones. 2.54mm pitch pin header interface, convenient and practical. 2.54mm pinholes for other uncommon interfaces are led out. Power saving mode current: 1uA. Applications: Induction cooker/microwave oven/smart home appliance operation, navigator, vending machine, MP3/MP4, digital photo frame, smart toy/conversational toy, PMP/game console. Set-top box/color TV remote control, subway automatic ticket vending machine, tour guide machine, commercial on-demand broadcast of building TV, public lighting system/sanitary system/sound control of smart home.

Price: 9.52 USD

Location: ShenZhen

End Time: 2024-11-21T10:33:28.000Z

Shipping Cost: 2.99 USD