Feature

●Applicable scenario: Used in smart homes, all kinds of smart appliances, 86 boxes, toys, lamps, industrial, internet of things, automobiles, security and lighting, and other products that require voice control
●DIY Gift: Very suitable for you to make gifts, cards and crafts in your own speech
●Versatile: Perfect for adding sound effects to models, photo frames, and displays
●High Quality Material: 32-bit RISC core, 240M operating frequency, support DSP instruction set and FPU floating decimal calculation unit
●SUPPORT CALCULATION: Supports up to 1024 points FFTIFFT complex calculation or actual FFTIFFT calculation of 2048 points


Description

How to use:
Demo firmware supports voice wake up words: Xiaoke Xiaoke, Xiaoling Xiaoling, Hello Lamp, XiaohaiXiaohai.
1. Use the USB data cable to power the test board, connect the external speaker and microphone.
2. After the module wakeup, use the order word "turn on conditioner", the D4 at the bottom corresponding to the B7 pin of the module, and the D4 light will light up using the order word "turn off the conditioner". Going out.
3. Using the order word "Turn on light" will turn on the bottom plate D3 corresponding to the B6 pin of the module, when you use the order word "Turn off the light", the D3 light will turn off. a> 4.Using the order word "Turn on the switch", the bottom plate D2 corresponding to the B2 pin of the module will light up, when you use the order word "Turn Off the Switch", the D2 light will be off. a> 5.In the factory demonstration firmware, only the three pins above are active, other pins are not active.

Specifications:
Item Type: Voice Recognition Module
Material: PCB
Model: HLK-V20
Operating voltage: DC 5V (USB power)
Audio input and output:
Supports one analog microphone input
Supports dual channel DAC output
Support I2s input and output
Purpose: For voice recognition

Package List:
1 x Voice Recognition Module
1 x Pin Header