LD3320 Voice Recognition Module Non-specific Vocal Sound Control Development Board

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$29.99

Ex Tax: $29.99

Stock: In Stock
Model: EB0042168
SKU: EB0042168

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Overview:

Support non-specific voice recognition module with SPI interface and parallel interface, onboard microphone and active crystal oscillator, which is convenient to realize voice recognition, voice control and human-machine dialogue function in electronic products.

Characteristic:

High accuracy and practical voice recognition effect.

Non-specific person speech recognition technology: does not require users to perform recording training.

Dynamically editable list of recognized keywords: only need to transfer the recognized keywords to the chip in the form of character strings, which can take effect immediately in the next recognition. For example, in the programming of 51 and other MCUs, users simply set the register of the chip, and dynamically import the content of identifying keywords such as "Hello" into the chip, and the chip can recognize such set keywords. .

Support users to freely edit 50 keywords: at the same time, they can be identified in 50 keywords, and end users can edit and update the content of these 50 keywords at any time according to the needs of the scene.

Parameter:

Working voltage: 3.3V (must use 3.3V level single chip microcomputer to drive)

Built-in mono mono 16-bit A/D analog-to-digital conversion

Built-in two-channel stereo 16-bit D/A digital-to-analog conversion

Built-in 20mW dual channel headphone amplifier output

Built-in 550mW mono speaker amplifier output

Support parallel interface or SPI interface

Built-in phase-locked circuit PLL, input master control clock frequency is 2MHz-34MHz

Working voltage: (VDD: for internal core) 3.3V

48pin QFN 7*7 standard package

Power consumption in power saving mode: 1uA

Applications:

Induction cooker/microwave oven/smart appliance operation, navigator, vending machine, MP3/MP4, digital photo frame, smart toy/dialog toy, PMP/game machine, set-top box/color TV remote control, subway vending machine, tour guide machine, building TV Advertising on demand, voice control of public lighting system/sanitary system/smart home

Note:

Except for the different pin headers, the following two models have the same properties as PCB circuits.

LD3320 Board: curved pin header

LD3320 Board (B): straight pin

Package includes:

1 x Voice Recognition Module

Shipping Time

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Processing time: The time it takes to prepare your item(s), includes preparing your items, performing quality inspections, and packaging for shipment. Normally, the processing time is 1-3 days (Only include Monday to Saturday ) after getting your order.

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Shipping Rates

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Shipping Method Shipping Rates Shipping Times
Flat Shipping (Promotion)
$10 About 5-30 Working Days to Worldwide (Only include Monday to Saturday )
Standard Express（0.5KG starting price listed）
Based On Weights About 5-15 Working Days to Worldwide (Only include Monday to Saturday )
Priority Express （0.5KG starting price listed）
Based On Weights About 3-7 Working Days to Worldwide (Only include Monday to Saturday )

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