Seeed XIAO ESP32S3 Plus
Ultra-compact ESP32-S3 development board with OV2640 camera, digital microphone, 8MB PSRAM, 8MB flash, WiFi 802.11 b/g/n, BLE 5.0, extended GPIO, and battery charging — ideal for AI and IoT edge projects.
$10.99
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Specifications
Components
Espressif ESP32-S3 with Xtensa LX7 dual-core processor at 240MHz, 8MB PSRAM, WiFi and BLE 5.0 connectivity, with vector instructions for AI/ML acceleration
OmniVision OV2640 2-megapixel CMOS camera sensor capable of 1600x1200 resolution, connected via DVP interface for image capture and computer vision
MEMSensing MSM261S4030H0R digital MEMS microphone with PDM output for voice recognition and audio capture applications
JST SH 1.25mm pitch connector for LiPo battery with built-in charging circuit for portable and battery-powered deployments
Bus Interfaces
Seeed XIAO ESP32S3 Plus
The XIAO ESP32S3 Plus is an enhanced version of Seeed Studio's popular XIAO ESP32S3 Sense, featuring an extended GPIO layout while maintaining the ultra-compact XIAO form factor. It packs an ESP32-S3 with 8MB PSRAM and 8MB flash, an OV2640 camera module, a digital microphone, WiFi, and BLE 5.0 into a tiny board.
Key Features
- ESP32-S3 dual-core processor with vector instructions for AI acceleration
- 8MB PSRAM + 8MB flash for demanding applications like image processing and TinyML
- OV2640 camera module for image capture and computer vision projects
- Digital MEMS microphone for audio capture and voice recognition
- Extended GPIO compared to standard XIAO — more pins broken out for greater flexibility
- WiFi 802.11 b/g/n (2.4 GHz) and Bluetooth 5.0 LE connectivity
- Battery charging circuit with JST connector for portable/battery-powered projects
- USB-C for programming, power, and native USB (OTG) support
- Ultra-compact form factor — thumb-sized board compatible with the XIAO ecosystem of carrier boards and accessories
Development
The XIAO ESP32S3 Plus supports Arduino IDE, ESP-IDF, MicroPython, and CircuitPython. The rich ESP32-S3 ecosystem means access to thousands of libraries and examples for WiFi, BLE, camera, TensorFlow Lite, and more.
Use Cases
With its camera, microphone, wireless connectivity, and generous memory, the XIAO ESP32S3 Plus is well-suited for TinyML and edge AI projects, security cameras, voice assistants, wearables, environmental monitoring, and compact IoT nodes where space is at a premium.
Use Cases
8tinyml
Edge AI
On-device machine learning inference at the edge, without cloud dependency
Computer Vision
Image recognition, object detection, and ML inference using embedded cameras and AI-capable processors.
Voice Recognition
Voice keyword spotting and speech recognition on edge devices.
Wearable
Body-worn computing devices including smartwatches, fitness bands, and health monitors.
IoT Sensor Node
Compact wireless sensor node for collecting and transmitting environmental or industrial data.
rapid-prototyping
Security Camera
WiFi-connected camera for surveillance, motion detection, and remote video monitoring.
Resources
Where to Buy
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