M5Stack StackChan Core (ESP32-S3) is the main controller replacement for the StackChan robot platform. According to the official M5Stack product page, it uses an ESP32-S3 dual-core controller with 16MB Flash, 8MB PSRAM, and native Wi-Fi + BLE wireless connectivity, making it suitable as the primary control unit for StackChan AI desktop robots.M5Stack also specifies a rich set of onboard peripherals including a 2.0-inch capacitive touch screen, 0.3MP camera, proximity sensor, ambient light sensor, nine-axis IMU, microSD card slot, onboard 1W speaker, dual microphones, and dedicated power and reset buttons. The official page notes that StackChan Core, CoreS3, and CoreS3-Lite differ only in appearance rather than hardware function, and StackChan Core ships preloaded with StackChan firmware.Features Main controller replacement for StackChan robot systems ESP32-S3 dual-core processor up to 240MHz 16MB Flash and 8MB PSRAM Native Wi-Fi and BLE wireless communication Integrated 2.0-inch capacitive touch display Built-in 0.3MP camera, proximity sensor, ambient light sensor, and IMU Onboard 1W speaker and dual microphones Power button, reset button, microSD slot, and OTG / CDC support AXP2101 power management design Specifications Parameter Value Main Controller ESP32-S3 dual-core, up to 240MHz Wireless Wi-Fi + BLE Memory 16MB Flash, 8MB PSRAM Display 2.0-inch capacitive touch screen Camera 0.3MP Audio 1W speaker and dual microphones Sensors Proximity sensor, ambient light sensor, 9-axis IMU Storage microSD card slot Power Management AXP2101 Product Size 54.0 x 54.0 x 15.5mm Product Weight 40.6g Applications StackChan main controller replacement Robot maintenance and spare-part use Interactive ESP32-S3 robot development Voice, vision, and touch interface projects Package Content 1 x StackChan Core 1 x Hex Key L-Shape 1.5mm 1 x Hex Key L-Shape 2.5mm Notes Official page states StackChan Core comes preloaded with StackChan firmware. CoreS3, CoreS3-Lite, and StackChan Core are described as functionally equivalent in hardware. Resources Official M5Stack documentation
