✦ Verified product
M5Stack ASR Module (CI1302)
EUR 13.85
OpenELAB Technology Ltd.
Verified independent store
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The Module ASR is a smart offline voice module powered by the CI1302 chip . It comes with a built-in microphone for crystal-clear audio capture and a speaker for high-quality feedb
ack. highlights: Supports mid-session voice interruption , letting you quickly issue new commands without waiting. Integrated AEC (Echo Cancellation) reduces echoes and noise, boosting recognition accuracy. Preloaded with 53 English wake-up & feedback commands , plus activation via UART commands or voice keywords. Customizable recognition words in Chinese, English, Japanese, and Korean — up to 300 commands with firmware regeneration. Communicates via UART interface , with flexible pin switching through a DIP switch. Perfect for AI assistants, smart homes, security monitoring, automotive systems, robotics , and healthcare applications — making it a versatile choice for intelligent voice interaction. Features Intelligent offline voice module AEC noise reduction processing Built-in 53 English commands; expandable up to 300 UART communication interface Support for custom wake-up words Firmware burning via reserved USB Type-C interface Microphone + speaker included Development Platforms UiFlow2 Arduino Includes 1 × Module ASR Applications AI Assistant Smart Home Security Monitoring Vehicle System Robotics & Smart Hardware Healthcare Specifications Specification Parameter AI Voice Chip CI1302 Command Words Up to 300 commands supported; 53 preset commands from factory Wake-up Method Voice keyword or UART serial communication to activate device Microphone Analog microphone, model GMI4527P-2C-32db Speaker Chamber speaker 8Ω@0.8W (used for wake-up feedback output) Communication UART serial communication, default baud rate: 115200@8N1 Noise Reduction AEC echo cancellation noise reduction Wake-up Range Ambient noise 40dB: up to 6.4mAmbient noise 54dB: up to 1.8m Power Consumption Standby: DC [email protected]:Low volume: DC [email protected] volume: DC [email protected] volume: DC [email protected] Product Size 54.0 x 54.0 x 13.1mm Product Weight 15.2g Package Size 132.0 x 95.0 x 13.1mm Gross Weight 28.9g
