Feature
Note:
- The XIAO ESP32-S3 Sense now features the OV5640 camera sensor with autofocus. During the transition period, units may ship with either the OV5640 or OV3660 sensor.
- Powerful MCU Board: Incorporate the ESP32-S3 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
Production-Ready Design with Fusion PCBA Support
All Seeed Studio XIAO dev boards feature a production-optimized SMD (Surface Mount Device) design with standardized stamp holes, making it perfect for commercial PCBA (Printed Circuit Board Assembly) integration. With our Seeed Studio Fusion services, you can access competitive one-stop PCBA manufacturing, component sourcing, and testing, plus free DFA/DFM review to reduce manufacturing risks and accelerate the journey from prototype to production.
Note
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.
Starter Kit with free Course for all Electronics Neophytes and Enthusiasts
Seeed Studio has provided the Grove Starter Kit along with free and detailed courses for you quickly get started with microcontrollers and electronics, regarding all the Seeed Studio XIAO boards, promising you a great learning experience.
Not only programming but also electronics knowledge is not required, you will be taken step by step, from understanding the basic concepts to exercising the simple projects individually, finally being able to build complex, interesting, wearable projects on your own, owing a practical electronic product prototype from the course.
You can have access to the Seeed Studio Grove ecosystem by connecting it to the compatible Seeed Studio XIAO expansion board. We have developed more than 400 Grove modules, covering a wide range of applications that can fulfill various needs. Get started and explore the infinite possibilities of the Seeed Studio XIAO series!
If you are interested in programming embedded machine learning, we have Codecraft visual programming that can help you quickly start your own TinyML project. And we have set up a #tinyml channel on our Discord server, please click to join for 24/7 making, sharing, discussing, and helping each other out.
We already have 15 XIAO products based on different solutions in the XIAO family, to help you better understand the differences and choose the most suitable part for your projects, please refer to the Seeed Studio XIAO Series Page.
Specification
Product | ||
|---|---|---|
Processor | ESP32-S3R8 Xtensa LX7 dual-core,32-bit processor that operates at up to 240 MHZ | |
Wireless | Complete 2.4GHz Wi-Fi subsystem Bluetooth Low Energy 5.0 / Bluetooth Mesh | |
Built-in Sensors | / | 1x OV5640 camera sensor 1x Digital Microphone |
Memory | On-chip 8MB PSRAM & 8MB Flash | On-chip 8MB PSRAM & 8MB Flash Onboard SD Card Slot, supporting 32GB FAT |
lnterface | 1x UART 1x IIC 1x SPI 11x GPIO(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) 9x ADC 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(Typ.) | Input voltage (Type-C): 5V lnput voltage (BAT): 3.7V | |
Circuit operating Voltage: - Type-C:5V@19mA - BAT: 3.8V@22mA | Circuit operating Voltage: -Type-C: [email protected] - BAT: [email protected] (with expansion board) | |
/ | Webcam Web application: - Type-C: - - Average power Consumption: 5V/~140mA - - Peak power consumption(Image Capture): 5V/~347mA - Battery: - - Average power Consumption: 3.8V/~155mA - - Peak power consumption(Image Capture): 3.8V/~366mA | |
/ | Microphone recording & SD card writing: - Type-C: - - Average power consumption: 5V/54.58mA - - Peak power consumption: 5V/86.7mA - Battery: - - Average power consumption: 3.8V/64.5mA - - Peak power consumption: 3.8V/109.3mA | |
50mA(Fast) / 3.8mA(Trickle) | ||
Low Power Consumption Model(Typ.) (Supply Power: 3.8V) | Modem-sleep Mode: 27mA Light-sleep Mode: 2mA Deep Sleep Mode: 14μA | Modem-sleep Mode: 44mA Light-sleep Mode: 5mA Deep Sleep Mode: 3mA |
Wi-Fi Enabled Power Consumption(Typ.) | Active Mode: 100 mA | Active Mode: 110 mA (with expansion board) |
BLE Enabled Power Consumption(Typ.) | Active Mode: 85 mA | Active Mode: 102 mA (with expansion board) |
Working Temperature | -20°C ~65°C | |
Hardware Overview
Note
- There are two additional GPIO on the plug-in camera sensor board linking to the microphone. If you want to apply these two external IO, the microphone should not be used at the same time.
- TOP
- BOTTOM
- PinOut
Note Change Record
2025/6/30, Upgrade camera sensor from OV2640 to OV3660.
Application
- Image processing
- Speech Recognition
- Video Monitoring
- Wearable devices
- Smart Homes
- Health monitoring
- Education
- Low-Power(LP) networking
- Rapid prototyping
Documents
Certification
| HSCODE | 8517180050 |
| USHSCODE | 8517180050 |
| UPC | |
| EUHSCODE | 8543709099 |
| COO | CHINA |
Part List
XIAO ESP32-S3 | x1 |
Plug-in camera sensor board | x1 |
Aluminum Heat Sink For XIAO | x2 |
7 Pin Header | x2 |
Antenna | x1 |
Note: From Sep 2, 2024, XIAO ESP32S3 Sense (113991115) ships with 2 heat sinks in China Warehouse. US&Germany warehouses ships new version from 2025.
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Seeed Studio XIAO ESP32-S3 Sense
Seeed Studio XIAO ESP32-S3 leverages dual-core ESP32-S3 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.
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