Price: $23.99
(as of Oct 27, 2025 21:51:28 UTC – Details)
Product description
At just 21 x 17.5mm, XIAO ESP32S3 is designed with the classic thumb-sized form factor, making it perfect for wearable devices. Its breadboard-friendly and surface-mount design makes it ideal for production, with all SMD components on a single-sided board for ease of mass production.
XIAO ESP32S3 is a high-performance board powered by Expressif ESP32-S3R8 chip. With support for 2.4GHz WiFi and low-power Bluetooth BLE 5.0 dual-mode wireless communication, this board is perfect for high-performance, low-power IoT applications.
When connected with the U.FL antenna, the remote communication distance and reach up to 100m.
Equipped with a powerful Xtensa 32-bit LX7 dual-core processor running at up to 240MHz, 8MB PSRAM, and 8MB Flash, XIAO ESP32S3 is designed to handle multi demanding tasks with ease.
Tiny ESP32-S3 WiFi 4 and BLE 5.0 module for IoT, AI, and robotics 
Additionally, ESP32S3 supports lithium battery charging management and allows for deep sleep mode with power consumption as low as 14μA. With 4 adjustable power modes, XIAO can balance communication distance, data rate, and power consumption to meet the needs of various application scenarios.
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Customer Reviews
4.5 out of 5 stars 641
4.5 out of 5 stars 641
4.5 out of 5 stars 641
4.5 out of 5 stars 641
4.5 out of 5 stars 641
4.5 out of 5 stars 641
4.5 out of 5 stars 641
Price
$23.99$23.99
$16.99$16.99
$26.99$26.99
$9.90$9.90
$19.99$19.99
$11.99$11.99
$22.99$22.99
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Zigbee
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Thread
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Baterry Charge IC
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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 OV2640 camera sensor for 1600*1200 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 17.5mm, adopting the classic form factor of XIAO, suitable for space-limited projects like wearable devices
Customers say
Customers find the single board computer to be an amazing little gadget with a small form factor and easy setup. They appreciate its versatility, with one customer noting it’s ideal for IoT projects. The functionality and wireless connectivity receive mixed reviews – while some say it works well, others report it wouldn’t work at all. Moreover, the build quality and heat level also get mixed feedback, with some saying it’s well-built while others report overheating issues.
Reviews
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