Description
Atom EchoS3R is a programmable IoT voice interaction controller designed for intelligent voice control and human-computer interaction scenarios. It is powered by the ESP32-S3-PICO-1-N8R8 main control chip, supports 2.4GHz Wi-Fi wireless communication, and comes with 8MB Flash and 8MB PSRAM to meet diverse application development needs, offering excellent performance and scalability. The audio system adopts an ES8311 mono codec, combined with a high-sensitivity MEMS microphone and an NS4150B power amplifier, enabling clear voice pickup and high-fidelity audio output to enhance voice recognition and interactive experiences. It is suitable for voice interaction scenarios such as AI voice assistants and smart home control.
Features
- Integrated ESP32-S3-PICO-1-N8R8 main controller
- 8MB Flash and 8MB PSRAM
- ES8311 mono audio codec
- MEMS microphone
- Class D amplifier
- Integrated infrared transmitter
- Expandable pins and interfaces
- Development Platform
- Arduino
- UiFlow2
- ESP-IDF
- PlatformIO
Specifications
| Specification |
Parameter |
| SoC |
ESP32-S3-PICO-1-N8R8 @ Dual-core Xtensa LX7 processor, up to 240MHz |
| PSRAM |
8MB |
| Flash |
8MB |
| Power Input |
DC 5V |
| Audio Codec |
ES8311: 24-bit resolution, I2S protocol |
| Microphone |
MEMS microphone, Signal-to-Noise Ratio (SNR): 65dB |
| Speaker |
NS4150B amplifier chip + 8Ω@1W 1318 cavity speaker |
| Operating Temp |
0 ~ 40°C |
| Product Size |
24.0 x 24.0 x 16.8mm |
| Product Weight |
9.3g |
| Package Size |
85.0 x 65.0 x 17.0mm |
| Gross Weight |
15.6g |
Product Comparison
| Product Compare |
Atom EchoS3R 
|
Atom Echo 
|
| SoC |
ESP32-S3-PICO-1-N8R8 |
ESP32-PICO-D4 |
| Flash |
8MB |
4MB |
| PSRAM |
8MB |
/ |
| Audio Solution |
ES8311 + NS4150B |
NS4168 + SPM1423 |
| RGB LED |
/ |
WS2812 x1 |
LEARN AND DOCUMENTS
