Seeed Studio XIAO ESP32S3 Sense leverages dual-core ESP32S3 chip, supporting both Wi–Fi and BLE wireless connectivities, which allows battery charge. It integrates built-in camera sensor, digital microphone. It offers 8MB PSRAM, 8MB FLASH, and external SD card slot. All of these make it suitable for embedded ML, like intelligent voice and vision AI.xiao-esp32s3-senseXIAO ESP32S3 Sense’s FeaturePowerful MCU Board: Incorporate the ESP32S3 32-bit, dual-core, Xtensa processor chip operating up to 240 MHz, mounted multiple development ports, Arduino / MicroPython supportedAdvanced Functionality: Detachable OV2640 camera sensor for 1600*1200 resolution, compatible with OV5640 camera sensor, integrating additional digital microphoneGreat Memory for more Possibilities: Offer 8MB PSRAM and 8MB FLASH, supporting SD card slot for external 32GB FAT memoryOutstanding RF performance: Support 2.4GHz Wi-Fi and BLE dual wireless communication, support 100m remote communication when connected with U.FL antennaThumb-sized Compact Design: 21 x 17.8mm, adopting the classic form factor of XIAO, suitable for space-limited projects like wearable devicesPretrained Al model from SenseCraft AI for no-code deploymentNote: XIAO SoM User Manual open-sources all hardware and software materials of XIAO, providing professional product design guidelines to help you accelerate ideas off the ground, streamline product design, providing a seamless experience from module selection to mass production. You can check here to see more info. Xiao Parameter ComparisonProductXIAO ESP32 – C3XIAO ESP32 – S3XIAO ESP32 – S3 SenseMain ChipESP32-C3ESP32-S3R8ESP32-S3R8RAM400 KB SRAM8 MB PSRAM8 MB PSRAMInternal SensorNoneNoneNoneFlash (Chip)4 MB8 MB8 MBFlash (Board)×z××Analog Pins499I2C/UART/SPI✔✔✔Bluetooth✔✔✔User LED✔✔✔WiFi✔✔✔Reset Button✔✔✔Boot Button✔✔✔On-board Heat Dissipation×××6-axis IMU Sensor××✔Charging ICSupports 3.3-5V Li-ion batterySupports 3.3-5V Li-ion batterySupports 3.3-5V Li-ion batteryDimensions21mm x 17.5mm21mm x 17.5mm21mm x 17.5mmWeight4g4g4gOperating Temperature-40°C ~ 85°C-40°C ~ 65°C-40°C ~ 65°CSupported Programming LanguagesArduino/MicroPythonArduino/MicroPythonArduino/MicroPython XIAO ESP32S3 Sense ApplicationImage processingSpeech RecognitionVideo MonitoringWearable devicesSmart HomesHealth monitoringEducationLow-Power(LP) networkingRapid prototyping
