The M5Stack AtomS3R AI Chatbot Kit is a compact and powerful AI voice development solution built around the ESP32-S3 chip. Designed for smart homes, voice assistants, and edge AI applications, it delivers high-performance AI voice interaction, real-time recognition, and seamless integration with popular voice platforms.
The M5Stack AtomS3R AI Chatbot Kit delivers an all-in-one hardware and software platform for developing advanced voice interaction systems. Its combination of low-power design, rich peripheral support, and high-performance AI processing makes it ideal for modern embedded applications.
Key Features of the M5Stack AtomS3R AI Chatbot Kit
AI Voice Recognition
Supports integration with XiaoZhi Voice Assistant, OpenAI Voice Assistant, and Volcengine Voice Assistant for natural and responsive voice interaction.Edge-Cloud Collaboration
Enables real-time voice processing with edge AI inference and model management capabilities.ESP32-S3 Core Controller
Equipped with 8MB Flash and 8MB PSRAM, ensuring fast and efficient voice and motion data processing.Integrated 9-Axis Sensor System
Features BMI270 and BMM150 for accurate motion detection and gesture-based control.Infrared Emission Control
Allows remote control of IR-based smart devices.High-Fidelity Audio Processing
Includes a 24-bit ES8311 audio codec, MEMS digital microphone, full-duplex I2S audio interface, and Class D amplifier supporting 8 Ω @ 1 W speakers.Expandable Interfaces
Provides GPIO and standard interfaces for extended hardware integration and prototyping.
Development Platform Compatibility
Package Includes
1 × AtomS3R Controller
1 × Atomic Echo Base
Application Scenarios
Smart Home Voice Assistants
AI Chatbot Terminals
Edge AI Prototyping
Interactive IoT Devices
Educational Voice Development Projects
Specifications of the M5Stack AtomS3R AI Chatbot Kit
| Specification | Parameter |
|---|---|
| SoC | ESP32-S3-PICO-1-N8R8, dual-core Xtensa LX7 @240 MHz, USB-OTG |
| PSRAM | 8 MB PSRAM |
| FLASH | 8 MB FLASH |
| TFT Driver | GC9107 |
| Color IPS Resolution | 128 × 128 |
| 6-axis attitude sensor (BMI270) | Accuracy: 0.05% (acceleration), 0.05°/s (angular velocity) I2C address: 0x68 |
| 3-axis geomagnetic sensor (BMM150) | Accuracy: 0.3 μT Mounted on BMI270, magnetometer data obtained via Sensor Hub |
| Infrared IR | ∠180° emission distance: 12.46 m (unobstructed) |
| Expansion Interfaces | Bottom GPIO: G5/G6/G7/G8/G38/G39 and HY2.0-4P expansion port |
| Audio Codec | ES8311: 24-bit resolution, using I2S protocol |
| MEMS Microphone | MSM381A3729H9BPC, SNR: ≥65 dB |
| Power Amplifier | NS4150B: Class D power amplifier |
| Speaker | 2014 cavity speaker: 1 W @ 8 Ω |
| Operating Temperature | 0 ~ 40 °C |
| Product Dimensions | AtomS3R: 24.0 × 24.0 × 12.9 mm Atomic Echo Base: 24.0 × 24.0 × 14.14 mm |
| Product Weight | AtomS3R: 6.6 g Atomic Echo Base: 6.3 g |
| Package Dimensions | 120.0 × 65.0 × 16.0 mm |
| Package Weight | 21.6 g |
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