M5Stack Atomic Echo Base with Microphone and Speaker

The M5Stack Atomic Echo Base is a versatile voice base specifically designed for the M5 Atom series. With an integrated ES8311 mono audio decoder, a MEMS microphone, and an NS4150B Class-D amplifier, it delivers high-resolution sound with 24-bit audio quality. The module supports full-duplex communication, making it ideal for applications such as voice recognition, wake-up functions, and audio playback. The microphone offers a high signal-to-noise ratio (SNR ≥ 65 dB), making it perfect for automatic speech recognition. Its compact design allows for easy integration into smart home control projects or educational projects. Development platforms like UIFlow and Arduino are supported, making customization to specific requirements particularly easy.

Recommended Accessories:

M5Stack AtomS3R Dev-Kit with 0.85-inch color display and 8MB PSRAM

Features:

High audio quality: The ES8311 audio decoder delivers 24-bit resolution with a sample rate of 16-64 kHz for clear and detailed sound.
MEMS microphone: The microphone with high sensitivity is optimized for voice recognition.
Class-D amplifier: The NS4150B amplifier provides powerful and clear sound through the integrated speaker.
Full-duplex communication: Supports simultaneous voice transmission and playback.
Compact design: The module measures only 24 x 24 x 14.14 mm and weighs 6.3 g, ideal for portable applications.
Developer friendly: Compatible with UIFlow 1.0, UIFlow 2.0, and Arduino IDE.
Broad compatibility: Works with various M5 Atom models like Atom Lite, Atom Matrix, and Atom S3.

Application Examples:

AI voice recognition systems: Perfect for voice control and interactive applications.
Smart home control: Control devices in your home with voice commands.
Educational projects: Use it to introduce speech technology and audio coding.
Interactive robots: Give your robots a voice and listening ability.
Audio playback systems: Ideal for small projects requiring clear and efficient sound.