M5Stack AtomS3R AI Chatbot + Echo Base

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Product details

The M5Stack AtomS3R AI Chatbot Kit is an innovative solution for voice-based edge AI projects. It combines the compact AtomS3R controller with the powerful Echo Base, which offers a variety of features for developing intelligent applications. At the heart of the kit is the ESP32-S3-PICO-1-N8R8 dual-core microcontroller, equipped with 8 MB of Flash and 8 MB of PSRAM. This hardware enables local voice inference and reliable Wi-Fi connectivity. The Echo Base features an ES8311 audio codec, dual MEMS microphones, and a built-in Class-D speaker, allowing for clear full-duplex voice interactions. Additionally, an integrated 9-axis sensor ensures precise motion and orientation detection. The kit is ideal for use in DIY projects, research and education, as well as for developing smart home applications. It supports various development environments such as ESP-IDF, Arduino, PlatformIO, and UiFlow2, facilitating quick integration into existing systems.

  • Combination of AtomS3R controller and Echo Base for versatile applications
  • Support for local voice inference and Wi-Fi connectivity
  • Integrated dual MEMS microphones and Class-D speaker for clear voice interactions
  • 9-axis sensor for precise motion and orientation detection
  • Compatible with open-source voice assistants and smart home controls.

Key specifications

Development board type
Kit
Processor family
Tensilica
Processor type
ESP32
Clock speed
240 MHz
Working memory
8 MB
Number of cores
2

General information

Item number
60996499
Manufacturer
M5Stack
Category
Single board computer kits
Release date
11.8.2025
Sales rank in Category Single board computer kits
544 of 3062

Development board properties

Development board type
Kit
Processor family
Tensilica
Processor type
ESP32
Clock speed
240 MHz
Working memory
8 MB
Number of cores
2
Flash memory
8000 kB

Power supply

Power supply
USB power delivery

Wireless transmission

Wireless transmission
Wi-Fi
Wi-Fi standard
Wi-Fi 4 / 802.11n

Connections

USB ports
USB-C
Audio Connections
Audio InMicrophone
Additional connections
I2C

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
95.84 kg
Climate contribution
CHF 1.74

Scope of delivery

Scope of delivery
Atomic Echo BaseM5Stack AtomS3R AI chatbot

Product dimensions

Length
24 mm
Width
24 mm
Height
13.50 mm
Weight
23 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Single board computer kits» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 11.Lilygo
    0.4 %
  • 13.HutoPi
    0.5 %
  • 13.M5Stack
    0.5 %
  • 13.Shelly
    0.5 %
  • 16.Dragino
    0.6 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Arduino
    0 days
  • 1.Joy-it
    0 days
  • 1.M5Stack
    0 days
  • 4.WaveShare
    1 day
  • 5.DFRobot
    2 days

Return rate

How often is a product of this brand in the «Single board computer kits» category returned?

Source: Digitec Galaxus
  • 10.Tru Components
    1.2 %
  • 13.HutoPi
    1.4 %
  • 13.M5Stack
    1.4 %
  • 15.WaveShare
    1.5 %
  • 16.Seeed Studio
    1.7 %
Source: Digitec Galaxus