HLK-V21 Offline Voice Recognition Module

HLK-V21 Offline Voice Recognition Module

HLK-V21 local control voice module is the latest dual microphone human developed by Hi-Link for a wide range of local control scenes and products - The machine is a set of natural voice interaction system. Audio module, UART, I2C, SPI PWM, ADC etc. It has rich system environmental resources, including.

Smart home, all kinds of smart small home appliances, 86 boxes, toys, lamps, industry, medical care, Internet of Things, automobile, security system, lighting and sound It can be used widely and quickly in other products that require control.

HLK-V21 Datasheet

Technical Specifications

Rich peripheral resources including 4-UART, 1-I2C, 1-SPI, 7-PWM, 1-ADC,1-SDIOs and up to 23 GPIOs
• 2-way digital microphone or analog microphone support
• Maximum power amplifier support 2 65W@4 Ω or 1 8W@8 Ω
• 5V power supply