M5Stack ASR Module (CI1302)

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 feedback.

✨ 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