Description
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Description
AtomS3R-AI Chatbot is an AI voice development kit consisting of two core parts: a controller and a voice base. The controller adopts AtomS3R, which is powered by the ESP32-S3 chip and provides a generous 8MB Flash + 8MB PSRAM memory combo. It also integrates a 9-axis IMU (BMI270 + BMM150), an IR transmitter, and other rich peripherals. The voice base is the Atomic Echo Base, built on the ES8311 audio codec, delivering high-fidelity audio decoding together with microphone and speaker driving capability.
The kit supports multiple voice assistants such as XiaoZhi Voice Assistant, OpenAI Voice Assistant, and Volcano Engine Voice Assistant, enabling real-time voice interaction, custom wake-words, and low-latency recognition.
Features
- Supports XiaoZhi Voice, OpenAI Voice Assistant, etc.
- AI speech recognition
- Cloud-edge collaboration & model management
- Integrated ESP32-S3 main controller
- 9-axis sensor system
- Edge AI inference
- 8MB Flash and 8MB PSRAM
- IR transmitter control capability
- Expandable pins and interfaces
- Full-duplex I2S audio
- 24-bit audio codec
- MEMS digital microphone
- Class-D amplifier (8 Ω @ 1 W speaker)
- Development Platform
- ESP-IDF
- PlatformIO
- Arduino
- UiFlow2
Includes
- 1 x AtomS3R
- 1 x Atomic Echo Base
Applications
Specifications
| Specification | Parameter |
|---|---|
| SoC | ESP32-S3-PICO-1-N8R8@Dual-core Xtensa LX7, 240MHz |
| USB | USB OTG, USB Serial/JTAG |
| Flash | 8MB |
| PSRAM | 8MB |
| Wi-Fi | 2.4 GHz Wi-Fi |
| TFT Driver | GC9107 |
| Color IPS Resolution | 128 x 128 |
| 6-Axis IMU (BMI270) | Accuracy: 0.05 % (accel), 0.05 °/s (gyro) I2C Addr: 0x68 |
| 3-Axis Magnetometer (BMM150) | Accuracy: 0.3 μT, mounted on BMI270, magnetometer data acquired via BMI270 |
| IR | 12.46 m transmitting distance @ 180° (unobstructed) |
| Expansion Interface | Bottom GPIO: G5/G6/G7/G8/G38/G39 and HY2.0-4P port |
| Audio Codec | ES8311: 24-bit resolution, I2S protocol |
| MEMS Microphone | MSM381A3729H9BPC, SNR ≥ 65 dB |
| Power Amplifier | NS4150B, Class-D |
| Speaker | 2014 cavity speaker: 1 W @ 8 Ω |
| Operating Temperature | 0 ~ 40 °C |
| Product Size | AtomS3R: 24.0 x 24.0 x 12.9mm Atomic Echo Base: 24.0 x 24.0 x 14.14mm |
| Product Weight | AtomS3R: 6.6g Atomic Echo Base: 6.3g |
| Package Size | 120.0 x 65.0 x 16.0mm |
| Gross Weight | 21.6g |
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