Description
Atomic Echo Base is a voice recognition base designed specifically for the M5 Atom series hosts. It integrates the ES8311 mono audio decoder, MEMS microphone, and NS4150B power amplifier. The ES8311 provides 24-bit audio resolution and a sampling rate of 16KHz to 64KHz, supporting I2S communication and high-fidelity audio processing. The MEMS microphone with high signal-to-noise ratio and digital output is suitable for automatic voice recognition, while the built-in speaker ensures efficient audio output. The device supports full-duplex communication, allowing simultaneous sound transmission and reception, enhancing interactive functions such as voice recognition, wake-up, and recording playback, making it ideal for applications in smart homes and education.
Features
- Compatible with M5 Atom series hosts
- Voice recognition
- Mono audio codec
- MEMS microphone
- Class D amplifier
- Speaker
- Development platforms
- UiFlow1
- UiFlow2
- Arduino IDE
Includes
- 1 x Atomic Echo Base
Applications
- AI voice recognition interaction systems
- Smart home control
Specifications
| Specification | Parameters |
|---|---|
| Audio Codec | ES8311: 24-bit resolution, I2S protocol |
| MEMS Microphone | MSM381A3729H9BPC, SNR: ≥65 dB |
| Power Amplifier | NS4150B: Class D power amplifier |
| Speaker | 2014 cavity speaker: 1W@8Ω |
| Standby Current | DC3.3V/3.36mA |
| Operating Current | DC3.3V/14.84mA |
| Operating Temperature | 0 ~ 40°C |
| Product Size | 24.0 x 24.0 x 14.1mm |
| Product Weight | 6.5g |
| Package Size | 85.0 x 65.5 x 15.0mm |
| Gross Weight | 12.5g |