The M5Stack Atomic Echo Base is an innovative development board specifically designed for the M5 Atom series. This module combines a state-of-the-art ES8311 mono audio decoder, a MEMS microphone, and an NS4150B Class-D amplifier to deliver outstanding audio quality with 24-bit resolution. The Atomic Echo Base enables full duplex communication, making it ideal for applications in speech recognition, wake-up functions, and audio playback. With a high signal-to-noise ratio of at least 65 dB, the microphone is particularly suitable for automatic speech recognition. The compact design of the module facilitates integration into various projects, whether for smart home controls or educational applications. Additionally, the Atomic Echo Base supports common development platforms such as UIFlow and Arduino, simplifying customization for specific requirements.

• 24-bit audio quality with a sampling rate of 16 to 64 kHz for clear sound
• Optimized MEMS microphone with high sensitivity for precise speech recognition
• Powerful NS4150B Class-D amplifier for clear sound through the built-in speaker
• Full duplex communication allows simultaneous speech transmission and playback
• Compact design for easy integration into portable applications.