🔊 Unit ASR is an AI offline voice recognition unit, powered by the CI-03T intelligent voice module.
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🗣️ Speech recognition
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👤 Voiceprint recognition
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🎚️ Voice enhancement
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🎛️ Voice detection
🔧 Technical Highlights:
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🔇 Supports AEC (Acoustic Echo Cancellation) → removes echoes & noise for higher accuracy
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⏸️ Allows mid-conversation interruption → flexible control & quick response to new commands
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🛠️ Pre-configured with 42 English wake-up & feedback words
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🔌 Uses UART serial communication for data transfer
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🗝️ Activation via UART or voice keywords
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🌍 Supports multi-language, user-customizable wake-up words
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📊 Recognizes up to 300 command words
🎤 Hardware Setup:
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🎙️ Built-in microphone → clear audio capture
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🔈 Integrated speaker → high-quality audio feedback
🏠 Applications:
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🤖 AI assistants
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🏡 Smart homes
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🛡️ Security monitoring
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🚗 Automotive systems
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⚙️ Robotics
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🔌 Smart hardware
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🏥 Healthcare
💡 Conclusion: The Unit ASR is the perfect choice for implementing intelligent voice interaction — powerful, flexible, and versatile.
Features
- CI-03T AI intelligent offline voice module
- Noise reduction processing
- 42 pre-installed commands
- Supports up to 300 command words
- UART serial communication
- Supports custom wake-up word
- Microphone and speaker
- Development platforms:
Includes
- 1x Unit ASR
- 1x HY2.0-4P Grove cable (20cm)
Applications
- AI Assistant
- Smart Home
- Security Monitoring
- Automotive Systems
- Robotics and Smart Hardware
- Healthcare
Specifications
| Specification | Parameter |
|---|---|
| AI Module | CI-03T AI Intelligent Offline Voice Module |
| Command Words | Supports up to 300 command words,Factory default 42 built-in commands |
| Wake-up Method | UART serial communication or voice keyword wake-up |
| Microphone | Analog microphone |
| Speaker | 8Ω@1W speaker (used for output device wake-up feedback) |
| Communication | UART serial communication, default baud rate: 115200@8N1 |
| Noise Reduction | AEC (Acoustic Echo Cancellation) |
| Operating Temperature | 0-40°C |
| Product Size | 48.0 x 24.0 x 16.0mm |
| Product Weight | 10.5g |
| Packaging Size | 136.0 × 92.0mm × 13.0mm |
| Packaging Weight | 15.8g |
Softwares
Quick Start
Arduino
Protocol
Others
Schematics