Specifications:
MCU: STM32G030F6P6
Audio Codec: ES8311
Audio ADC: ES7210
Microphone: LMA3729T381-OY3S
Amplifier: AW87559
Indicator LED: 28 x WS2812 RGB LED (7 LEDs per RGB Bar strip)
Touch Function: Dual-side touch-slider zones with 4 touch points, 2 per side
Input Power: DC 5V
Expansion Port: 1 x HY2.0-4P
Standby Current: 14.92mA (standby without controller power)
Operating Current: 578.47mA (maximum volume output with controller connected)
Operating Temp: -10°C ~ 60°C
Product Size: 83.6 x 83.6 x 56.7mm
Product Weight: 100.7g
Introduction:
Voice Pyramid is a functional base designed for smart voice interaction applications. Built specifically for the M5Stack Atom series controllers (excluding Atom Voice), 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 logiccontrol, 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 visuals 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.Voice 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:
1. Compatible with Atom, AtomS3, and AtomS3R series controller modules for plug-and-play voice interaction development.
2. Built-in STM32G030F6P6 auxiliary MCU manages dual-side touch-slider zones and RGB indicator LEDs for low-latency touch response and programmable lighting effects.
3. ES8311 audio codec and ES7210 audio ADC support high-performance audio playback and microphone input acquisition with AEC echo cancellation.
4. AW87559 high-efficiency speaker amplifier works with the built-in speaker to deliver clear sound quality and excellent dynamic range.
5. Equipped with a Si5351 programmable low-jitter main clock generator and 1 x HY2.0-4P Grove expansion port for flexible system integration.
Package Included:
