Atomic Echo Base
SKU:A149
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 |
Schematics
PinMap
| PIN | LEFT | RIGHT | PIN |
|---|---|---|---|
| 1 | 3V3 | ||
| SCL | 2 | 3 | DIN |
| SDA | 4 | 5 | LRCK |
| 5V | 6 | 7 | DOUT |
| GND | 8 | 9 | SCK |
Model Size
Datasheets
Softwares
Quick Start
- OpenAI Voice Assistant For AtomS3R + Atomic Echo Base Tutorial
- Atomic Echo Base XiaoZhi Voice Assistant
Arduino
UiFlow1
coming soon
UiFlow2
ESP-IDF
Video
- Atomic Echo Base Product Introduction and Case Demonstration
- OpenAI Voice Assistant For AtomS3R + Atomic Echo Base
Product Comparison
| Product Comparison Table | Atomic Echo Base | Atom ECHO  |
|---|---|---|
| Solution | Base (No SoC) | Built-in SoC (ESP32-PICO-D4) |
| MIC | MSM381A3729H9BPC | SPM1423 |
| Amplifier | NS4150B@Class D amplifier | NS4150B@Class D amplifier |
| Speaker | 1W@8Ω | 0.5W@8Ω |
| Audio Sampling Rate | 16KHz-64KHz | 8kHz-96kHz |
| Programmable RGB/Button | / | SK6812 |
| Communication Mode | Full-duplex | Half-duplex |