Experience the next generation of intelligent voice interaction with the LD3320 Speech Recognition Module, a compact, high-performance board supporting both Serial and SPI communication. Designed for compatibility with 51, STM32, and Arduino microcontrollers, this module enables accurate offline speech recognition with up to 50 customizable Chinese voice commands. Easily adapt it for smart home control, DIY robotics, and automation projects. With built-in and external microphone support, adjustable sensitivity, and TTL programming capabilities, it’s perfect for makers and developers seeking intuitive voice control in embedded systems. Whether you’re building a smart light or a talking trash can, this module brings your project to life.
Features:
- Supports both SPI and Serial interfaces
- Compatible with 51, STM32, Arduino platforms
- High recognition accuracy: up to 85% within 1 meter
- Up to 50 programmable voice commands
- Offline speech recognition — no internet needed
- Built-in and external microphone support
- Compact design with minimal, efficient layout
- TTL programming interface included
- Adjustable sensitivity via code for optimized use
- Supports smart home, DIY automation, and educational projects
Package Includes:
1 x LD3320 Speech Recognition Module Serial/SPI Interface, Intelligent Voice Control Development Board, TTL Programming Board
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