Product Overview

The Seeed Studio XIAO ESP32S3 Sense is an ultra-compact, thumb-sized development board engineered for advanced embedded AI, TinyML, and IoT edge computing applications. Powered by the highly integrated Xtensa 32-bit dual-core ESP32-S3R8 SoC, this board seamlessly supports 2.4GHz Wi-Fi and low-power Bluetooth® (BLE 5.0) dual-mode wireless communication.

As the premium hardware upgrade to the standard XIAO ESP32S3, the Sense edition integrates a detachable OV2640 camera sensor (1600×1200 resolution), an onboard digital microphone for voice sensing, and an integrated lithium battery charge management circuit. With a generous memory configuration of 8MB PSRAM and 8MB Flash, plus an external microSD card slot supporting up to 32GB, it is the ultimate rapid-prototyping tool for space-constrained smart devices.

Key Features & Core Advantages

• High-Performance Dual-Core Processing: Built around the ESP32-S3 32-bit Xtensa processor running up to 240 MHz. Fully supports mainstream development frameworks including Arduino and MicroPython.
• Advanced Vision & Audio Sensing: Comes bundled with a plug-in OV2640 camera module capable of UXGA resolution. The hardware base is also fully compatible with OV5640 camera sensors for up to 5MP ($2592 \times 1944$) imaging. An onboard digital microphone enables immediate audio recognition and speech processing.
• Massive Storage for Machine Learning (TinyML): Features 8MB on-chip PSRAM and 8MB Flash alongside an integrated SD card slot (supporting up to 32GB FAT memory), giving developers ample programming space for complex embedded ML models.
• Exceptional RF Connectivity: Offers robust 2.4GHz Wi-Fi and BLE dual wireless performance, achieving over 100 meters of remote communication when paired with an external U.FL antenna.
• Micro, Single-Sided Form Factor: Retains the signature Seeed Studio XIAO thumb-sized footprint ($21 \times 17.5\text{ mm}$) with an elegant single-sided component layout, making it easy to integrate into low-profile wearable devices and commercial products.

Technical Specifications

Embedded Applications & Use Cases

• Edge AI & Image Processing: Real-time object detection, face recognition, and machine vision.
• Voice & Speech Recognition: Smart voice assistants, audio monitoring, and acoustic trigger switches.
• Compact Surveillance & Video Monitoring: Low-power IP cameras, stealth wildlife cams, and smart doorbells.
• Wearables & Smart Home IoT: Lightweight biometric monitors, smart appliances, and low-power (LP) mesh networks.
• Robotics & Rapid Prototyping: Drone secondary cameras, autonomous navigation sensor nodes, and STEM education kits.

B2B Supply & Global Sourcing

Get bulk volume pricing, custom sensor integration advice, and reliable shipping for Seeed Studio development ecosystems and custom camera solutions:

• Official B2B Portal: www.joyllon.com
• WhatsApp / WeChat: +8613713792667
• Email Inquiries: chinaok321@gmail.com

Contact US now!

• - Need a Prototype or Datasheet?
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• Official Website: www.joyllon.com
• Tel: +86 137 1379 2667 ( only email, it is formal) 
• Corporate Email: b2b@joyllon.com and  chinaok321@gmail.com (Get a Free Quote within 24 Hours)

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