Seeed Studio
Seeed Studio XIAO ESP32S3 Sense
Best compact solution for developers building portable AI vision projects.
Explore the Seeed Studio XIAO ESP32S3 Sense, a compact development board designed for AI vision and voice applications. Powered by the dual-core ESP32-S3 microcontroller with Wi-Fi and Bluetooth, it features an integrated OV2640 camera and digital microphone. An SD card slot offers expandable storage, while flexible power options, including battery charging, make it ideal for embedded and edge computing projects where space is a constraint. This board is perfect for creating intelligent, portable devices.
$23.99
Owner Satisfaction
4.5
/ 5
Category Rank
607
/ 1543
#607 in Development Boards
Price vs Category Average
-73%
Below average
Processor
32387240
/ ESP-SR (Xtensa LX dual-core, up to MHz)
Who it's for
- Developers needing reliable wireless connectivity for modern IoT
- Makers creating portable, battery-powered hardware designs
- Engineers building space-constrained AI and IoT projects
Who should skip it
- Users planning intensive, continuous streaming or heavy wireless tasks
- Prototypers requiring extensive GPIO for complex external peripherals
- Beginners lacking experience with TinyML and specialized firmware
Performance breakdown
AI Vision Capability
Integrated camera and dual-core processing handle edge AI tasks with ease.
Form Factor Efficiency
Thumb-sized footprint fits into the tightest embedded project enclosures.
Connectivity Versatility
Dual-band wireless and Bluetooth 5.0 ensure robust remote communication.
Peripheral Integration
Onboard microphone and SD slot provide immediate utility for multimedia projects.
Power Management
Flexible battery charging options support portable, low-power field deployments.
Development Accessibility
Arduino IDE support makes complex hardware accessible for rapid prototyping.
Key Specs
Processor
ESP32-S3R8 (Xtensa LX7 dual-core, up to 240 MHz)
Memory
8MB PSRAM and 8MB Onboard Flash
Wireless Connectivity
2.4GHz Wi-Fi and Bluetooth 5.0
I/O
11 Digital I/O (with PWM), 9 Analog Inputs (ADC)
Interfaces
1x UART, 1x I2C, 1x SPI, IIS support
Power Input
Type-C (5V) or Battery (max 4.2V)
Dimensions
21 x 17.5 x 15mm (with expansion board)
Operating Temperature Range
-40°C to 65°C
Features
- Integrated camera for AI vision tasks
- Built-in microphone for audio processing
- Thumb-sized for embedded projects
- SD card slot for external storage
- Dual-core ESP32-S3 with Wi-Fi/BLE
- Flexible power input with battery charging
- Optimized for low-power applications
- Compact design for space-limited projects
What customers say
Advanced users highly praise the XIAO ESP32S3 Sense for its powerful miniaturization. The integrated camera and microphone make it an excellent choice for edge AI and vision projects. Its compact XIAO form factor is a major advantage, allowing deployment in very small spaces where larger boards fail. Developers value the dual core processing and strong wireless capabilities for demanding IoT tasks. While setup can present minor challenges for newcomers due to driver configuration and limited GPIO, the overall consensus is that this model delivers exceptional capability and value. It is considered an innovative component for next generation smart devices.
Know before you buy
The board is specifically designed for edge AI tasks like image recognition, person detection, and voice-activated commands. With the integrated camera and microphone, it is well-suited for compact, intelligent devices that need to process visual or audio data locally.
Yes, it includes a built-in battery charging circuit. You can connect a 3.7V lithium battery directly to the board, making it an excellent choice for wearable or remote sensing applications.
The board features an onboard microSD card slot, allowing you to easily expand your storage for logging data, saving captured photos, or storing audio files. This is essential since the onboard 8MB of flash memory is primarily reserved for your program code.
Yes, the XIAO ESP32S3 Sense is fully compatible with the Arduino IDE. You can leverage the vast ESP32 ecosystem and existing libraries to simplify your development process.
The board is extremely small, measuring just 21 x 17.5 x 15mm with the expansion board attached. Its thumb-sized form factor is specifically engineered for space-constrained projects where every millimeter counts.
Absolutely. The ESP32-S3 chip provides integrated 2.4GHz Wi-Fi and Bluetooth 5.0, allowing your project to communicate with other devices, connect to the internet, or interface with smartphone apps.
Still have a question?
Ask Hayley anything about this product before you decide.