LD3320A Serial Port Speech Recognition Module - TTL Interface
The LD3320A Serial Port Speech Recognition Module provides a TTL interface for easy integration with popular microcontrollers like Arduino, STM32, and 51-series MCUs. It enables voice command recognition for DIY electronics, robotics, and smart home applications.
Features
- LD3320A chip with non-specific speech recognition technology, no user training required.
- TTL serial interface compatible with 3.3V or 5V logic microcontrollers.
- Supports dynamic editing and recognition of up to 50 keywords or phrases.
- Integrated 16-bit A/D and D/A converters with onboard audio amplifier circuit.
- Compact 43mm x 30mm board with low standby power consumption for portable applications.
Out of stock
The LD3320A module is a dedicated speech recognition solution built around the LD3320A chip. It employs non-specific human speech recognition technology, allowing it to identify keywords from natural speech without requiring prior voice training. This makes it highly adaptable for rapid prototyping and deployment.
The module features an integrated audio processing chain, including 16-bit resolution A/D and D/A converters and an onboard amplifier, enabling direct audio input and output via a 3.5mm mini jack. Communication with a host controller is handled through a simple TTL serial interface, compatible with a wide range of 3.3V or 5V systems including Arduino, STM32, and 51-series microcontrollers.
Additional Information
| Weight | 0.02 kg |
|---|---|
| Dimensions | 5 × 5 × 2 cm |
