HW-US003 Offline speech recognition module

2. Working principle of the product:

HW-US003 is an intelligent voice controlled offline speech recognition module that does not require networking. It adopts an internal 32bit RS IC architecture and core computing logic. It collects and compiles text pronunciation through a microphone, accurately responds to customized wake-up words, outputs speaker voice broadcasts, and IO port signals. After speech acquisition and recognition, the output IO port signal can drive various circuits to work.

3.Product features:

3.1. This module has rich IO output protocols and supports various application products developed twice. The PCB structure is simple, and it supports self compiling wake-up unit words and customizing wake-up unit words.

3.2. Support the compilation of Chinese and English unit word protocols, and download SDK files online. It has precise speech recognition function with wake-up words and anti false alarm function.

3.3. Support repeated compilation and burning of CH340 downloader. Support multiple tone voice broadcasts, and support up to 150 unit vocabulary voice recognition broadcasts.

3.4. Supports up to 10 GPIO ports for dynamic output, 1 12C master-slave controller, and multiple PWM ports for output. 1 SDR-ADC signal collector, etc

3.5. Support SDK voice compilation, burning, and downloading.

3.6. Support time timing settings.

4. Parameters

5. IO Port Definition:

6.CAD drawings and patch drawings:

10. Product Application:

10.1. As a speech recognition module, this product can output driving signals and voice broadcasts as long as someone wakes up. Suitable for various types of electrical equipment.

10.2. Example: (Automotive products: Xiaowang, Xiaowang, turn on the navigation or Xiaowang, Xiaowang, turn off the headlights.)

10.3. Example: (Robot product: Xiao Wang, Xiao Wang, let the sweeping machine robot work or Xiao Wang, Xiao Wang, stop sweeping the floor.)

10.4. Example: (Lamp products: Xiao Wang, Xiao Wang, turn on the bedroom light or Xiao Wang, Xiao Wang, turn off the bedroom light.)

10.5. Example: (Electrical products: Xiao Wang, Xiao Wang, turn on the water heater or Xiao Wang, Xiao Wang, turn off the water heater.)

10.6. Example: (Automotive products: Xiao Wang, Xiao Wang, turn on the navigation or Xiao Wang, Xiao Wang, turn off the headlights.)

10.7. Example: (Smart home products: Xiao Wang, Xiao Wang, I'm back or Xiao Wang, Xiao Wang, I'm out.)