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Lowest price we've seen: $153.27 on Nov 6 at eBay. Tracked across 1 store since Nov 6.
StackChan is an adorable open-source AI desktop robot co-developed by M5Stack and its global user community. At its core is the M5Stack flagship IoT development kit CoreS3 , powered by an ESP32-S3 SoC with a 240 MHz dual-core processor , 16MB Flash , and 8MB PSRAM , supporting both Wi-Fi and Bluetooth LE . The main unit features a 2.0-inch capacitive touch display with a durable glass cover, a 0.3 MP camera , proximity sensor , 9-axis IMU (accelerometer, gyroscope, magnetometer), microSD card slot , 1W speaker , dual microphones , and power/reset buttons .
The robot body connects to the main unit and includes a USB-C port for power and data, a 700 mAh battery , and two feedback servos —one for 360° horizontal rotation , the other for 90° vertical movement . It also integrates 12 RGB LEDs , an infrared transmitter and receiver , a three-zone touch panel , and a full-featured NFC module .
The pre-installed firmware offers a rich set of features, including expressive animations , the XiaoZhi AI assistant , and support for iOS video calls , remote avatars , and device discovery among nearby StackChan units. It’s fully programmable via Arduino and UiFlow2 , making it easy to customize behaviors and expand functionality.
Note: The product packaging and software development are still in progress. Final features and documentation may change. Thank you for your understanding.
Highlights
Open‑source hardware & software – fully customizable.
AI voice assistant – integrates with smart home and IoT devices.
Compact desktop design – fun, interactive, and approachable.
Maker‑ready platform – ideal for prototyping and education.
Community‑driven project – born from global collaboration.
Technical Specifications
Specification
Parameter
Main Controller
ESP32-S3
Xtensa dual-core 32-bit LX7, 240 MHz
16MB Flash, 8MB PSRAM
Wireless Connectivity
2.4 GHz Wi-Fi, IEEE 802.11 b/g/n
Bluetooth 5 LE
Infrared receiver IRM56384 + infrared transmitter
Wired Connectivity
USB CDC & full-speed USB OTG
GPIO, UART, I2C