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Deeply cultivated in the industry for more than ten years, cumulatively serving more than 10W+ customers, WiFi modules, Bluetooth modules, power modules and other products are exported to more than 80 countries and regions, providing customers with professional and reliable IoT module products, strong technical support and thoughtful after-sales Service guarantee, products are widely used in smart home, smart medical, smart office, automotive electronics and industrial control fields.

HLK-V20
  • HLK-V20
  • HLK-V20
  • HLK-V20
  • HLK-V20
  • HLK-V20

AI intelligent offline voice module HLK-V20 voice controller switch voice recognition chip voice control module

Smart Home/Smart Travel/Smart Robot/Smart Community/Smart Medical PageView : 9304

AI intelligent offline speech recognition module

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Speech recognition module :HLK-V20

AI Intelligence Module

Product advantages

PRODUCT ADVANTAGE

Small size package

·Module size is only 16×18mm

· Reserve more design space for customers

Local voice wakeup/recognition/broadcast

·Customizable boot broadcast

·Customizable voice wake-up words

·Customizable voice command words

Supports no wake word (no need to wake up,    recognize command words directly)

Customized voice wake-up/command words

·Enterprise free custom command word system

·The number of command words reaches 150

No need to train the model

·Support Chinese and English

Universal Serial Port Protocol

·Voice wake-up words and command words correspond to the serial port protocol respectively

Product Structure

PRODUCT STRUCTURE

Product test suite

PRODUCT STRUCTURE

V20 module + test base board + microphone*1+ speaker*1+【gift】USB2.0 (power supply)*1

The supporting test board is convenient for customers to intuitively experience voice control of LED lights and serial port output protocol data after voice recognition.

The demo firmware supports voice wake-up words: Xiaoke Xiaoke, Xiaoling Xiaoling, Hello Lamp, Hello Rubik's Cube, Xiaohai Xiaohai.

For the voice command words and corresponding broadcast words, see HLK-V20 Demo firmware command words and broadcast words V1.0.xlsx for details. (You can consult customer service after placing the order)

Hardware description

HARDWARE DESCRIPTION

*The module has 16 pins, including power amplifier output, differential input and serial port. See the documentation for specific definitions.

Electrical parameters

ELECTRICAL PARAMETER

Current waveform

· 5V power supply, average standby power consumption of 63mA.

· 5V power supply, with speaker (8Ω/1W) wake-up recognition, average power consumption 77mA.

· 5V power supply, with speaker (8Ω/1W) wake-up recognition, average power consumption 77mA.


electrical parameters

input voltage

3.3VDC~5VDC

ambient temperature

-20℃ to 85℃



  • Development Information HLK-V20固件命令词与播报词格式20200817 HLK-V20 Demo固件命令词与播报词 V1.2 HLK-V20规格书 V1.5 V20底板原理图+底板PCB+模块封装库
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  • Universal Software sscom5.13.1
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