XIAO ESP32-S3 Sense

Seeed Studio XIAO ESP32S3 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. KEY FEATURES Powerful MCU Board: Incorporate the ESP32S3 32-bit, dual-core, Xtensa processor chip operating up to 240 MHz, mounted multiple development ports, Arduino / MicroPython supported Advanced Functionality: Detachable OV3660 camera sensor for 2048*1536 resolution, compatible with OV5640 camera sensor, integrating additional digital microphone Great Memory for more Possibilities: Offer 8MB PSRAM and 8MB FLASH, supporting SD card slot for external 32GB FAT memory Outstanding RF performance: Support 2.4GHz Wi-Fi and BLE dual wireless communication, support 100m+ remote communication when connected with U.FL antenna Thumb-sized Compact Design: 21 x 17.8mm, adopting the classic form factor of XIAO, suitable for space-limited projects like wearable devices Pre-trained Al models from SenseCraft AI for no-code deployment SPECIFICATIONS Item Seeed Studio XIAO ESP32S3 Seeed Studio XIAO ESP32S3 Sense Processor ESP32-S3R8 Xtensa LX7 dual-core,32-bit processor that operates at up to 240 MHZ Wireless Complete 2.4GHz Wi-Fi subsystem BLE: Bluetooth 5.0, Bluetooth mesh Built-in Sensors / OV3660 camera sensor Digital Microphone Memory On-chip 8M PSRAM & 8MB Flash On-chip 8M PSRAM & 8MB Flash Onboard SD Card Slot, supporting 32GB FAT lnterface 1x UART,1x IIC,1x llS,1x SPl,11xGPIOs (PWM)，9x ADC,1x User LED,1x Charge LED 1x Reset button,1x Boot button 1x UART,1x lIC,1x lIS,1x SPI,11x GPIOs (PWM),9xADC，1x User LED, 1x Charge LED,1x B2B Connector(with 2 additional GPIOs) 1x Reset button, 1x Boot button Dimensions 21 x 17.8mm 21 x 17.8 x 15mm (with expansion board) Power   Input voltage (Type-C): 5V lnput voltage (BAT): 4.2V Circuit operating Voltage (ready to operate): - Type-C:5V@19mA - BAT: 3.8V@22mA Circuit operating Voltage (ready to operate): -Type-C: 5V@38.3mA - BAT: 3.8V@43.2mA (with expansion board) / Webcam Web application: - Type-C: - - Average power Consumption: 5V/220mA - Battery: - - Average power Consumption: 4.2V/212mA / Microphone recording & SD card writing:- Type-C: - - Average power consumption: 5V/46.5mA - - Peak power consumption: 5V/89.6mA - Battery: - - Average power consumption: 3.8V/54.4mA - - Peak power consumption: 3.8V/108mA Charging battery current：100mA Charging battery current：100mA Low Power Consumption Model (Supply Power: 3.8V) Modem-sleep Model:~ 25mA Light-sleep Model: ~ 2 mA Deep Sleep Model:~14 μA Modem-sleep Model: ~44mA Light-sleep Model: ~5mA Deep Sleep Model: ~3mA Wi-Fi Enabled Power Consumption Active Model: ~ 100 mA Active Model: ~ 110 mA (with expansion board) BLE Enabled Power Consumption Active Model: ~85 mA Active Model: ~ 102 mA (with expansion board) Working Temperature -20°C ~70°C LINKS OV3660 Camera Datasheet OV2640 Camera Datasheet ESP32-S3 Datasheet TinyML Case Studies XIAO Reference Design 3D Printing "Case" Studies 3D Printing Purple shell (top) 3D Printing Purple shell (bottom) 3D Casing for Seeed Studio XIAO ESP32S3 Sense with Heatsink PCN-XIAO Series Packaging Upgrade.pdf PCN XIAO ESP32-S3 Sense Series Camera Upgrade