Offline Language Learning Voice Recognition Sensor

The Offline Speech Recognition Module is an efficient solution ideal for human-computer interaction, machine learning, voice assistants, and smart home voice control projects. It is easy to use and compatible with Arduino, micro:bit, and ESP32, with detailed tutorials provided. It offers plug-and-play functionality through I2C and UART. The module features 121 built-in command words commonly used in education and smart home settings and supports 17 customized commands (e.g., recording a cat's meow for an automatic feeder). The module is highly integrated, including an onboard speaker and microphone, providing real-time voice feedback.

• User-Friendly: Plug and play, compatible with Arduino UNO, micro:bit, and ESP32.
• 121 Pre-Programmed Commands: Ready for immediate use without any setup.
  
• Self-Learning Capability: Supports the addition of 17 customized command words.
  
• Offline Operation, Enhanced Privacy: No network required.
  
• High Integration: Includes an onboard speaker and microphone.
  
• Instant Voice Feedback: Provides real-time recognition results.

• Operating Voltage: 3.3 - 5V
• Maximum Operating Current: ≤370 mA (5V)
• Communication: I2C/UART
• I2C Address: 0x64
• Fixed Commands: 121
• Fixed Wake-up Command: 1
• Custom Commands: 17
• Learning Activation Command: 1
• Onboard Microphone Sensitivity: -28dB
• Module Size: 49×32 mm / 1.93×1.26”
• Operating Temperature: 0-70℃

• Product wiki
• Command Words List
• Interface Diagram
• Arduino Tutorial
• MakeCode Tutorial