Echo Pyramid Smart Speaker Base without M5Atom

Description

Echo Pyramid is a functional base designed for smart voice interaction applications. Built specifically for the M5Stack Atom / AtomS3 / AtomS3R series controllers, it offers plug-and-play convenience for rapidly building high-performance audio interaction voice devices. By pairing with an Atom series controller, it handles audio data processing, wireless communication, business logic control, and IoT connectivity, making it well-suited for far-field voice recognition, voice assistants, voice control, and a wide range of other smart interaction scenarios.

The device features a dedicated STM32G030F6P6 microcontroller responsible for managing the dual capacitive touch-slider zones and RGB indicator LEDs, enabling low-latency touch response and rich, programmable lighting effects. The intuitive touch controls combined with vivid visual feedback allow users to easily perceive device status, voice interaction results, and system prompts, enhancing both the overall user experience and product expressiveness. The audio system employs a high-performance ES8311 audio codec paired with an ES7210 microphone input acquisition chip featuring AEC echo cancellation, delivering efficient acoustic echo cancellation, noise suppression, and clear far-field voice capture to ensure reliable voice recognition and full-duplex interaction. An AW87559 high-efficiency Class-D speaker driver powers the built-in speaker, providing audio output with excellent dynamic range and clear sound quality. A Si5351 programmable clock generator serves as the main clock source (MCLK), supplying low-jitter, flexibly configurable clock signals to both the audio ADC and DAC, effectively improving voice recognition accuracy and overall audio performance.

Echo Pyramid is ideal for development scenarios including smart speakers, desktop voice assistants, voice control hubs, local/cloud voice interaction prototypes, and IoT voice gateways.

Features

• Compatible with Atom / AtomS3 / AtomS3R series controller modules
• Dedicated STM32G030F6P6 auxiliary MCU for touch and RGB lighting management
• ES8311 high-performance audio codec (supports high-fidelity playback and capture)
• ES7210 microphone input acquisition with AEC echo cancellation
• AW87559 high-efficiency speaker amplifier with built-in speaker
• Si5351 programmable low-jitter main clock generator
• Programmable RGB indicator LEDs
• Dual-side capacitive touch-slider zones
• 1x HY2.0-4P Grove expansion port (I2C)

Includes

• 1x Echo Pyramid

Applications

• Smart speakers and desktop voice assistants
• Voice control hubs
• Local / cloud voice interaction prototypes
• IoT voice gateways

Specifications