Seeed Studio XIAO ESP32C3

Seeed Studio XIAO ESP32S3 Sense – Wi-Fi, BLE & AI Camera Board If you want a small but powerful development board, pick the Seeed Studio XIAO ESP32S3 Sense. It is ideal for IoT and embedded machine-learning projects. This seeed studio ESP32 board has a powerful Xtensa processor ESP32-S3R8 SoC that provides dependable 2.4GHz Wi-Fi and Bluetooth BLE 5.0. It has an OV3660 smart camera sensor board for crisp 1600*1200 quality photos and a built-in digital microphone for voice detection and audio recognition. You'll love the 8MB PSRAM and 8MB FLASH, plus an SD card slot for up to 32GB of extra storage. It supports battery charging, making it great for portable projects, and it’s versatile with its wide range of interfaces. The XIAO ESP32S3 Sense also offers pre-trained AI models and no-code deployment through SenseCraft AI. Despite its powerful features, it maintains the classic thumb-sized form factor of the XIAO family. This board is a fantastic choice for your next project! Features: Features a powerful ESP32S3 32-bit dual-core processor. It supports Arduino and MicroPython. Includes a detachable OV3660 camera for 1600*1200 resolution. Includes an integrated digital microphone. Measuring just 21 x 17.5mm. Has 8MB PSRAM, 8MB FLASH, and an SD card slot for up to 32GB of memory. Supports 2.4GHz Wi-Fi and BLE with a 100m+ range using a U.FL antenna. Provides pre-trained AI models from SenseCraft AI for no-code deployment. Camera & ML Demo: Sample Projects DIY Face Detection Camera : Use the XIAO ESP32S3 Sense built-in camera and on-board ML support to detect faces, capture snapshots, and send alerts over WiFi. Smart Door Entry Monitor : Combine the camera with a PIR sensor to capture entry events, log timestamps, and stream snapshots to a dashboard. Voice and Camera Surveillance : Use the digital microphone and camera together to detect sound and motion, then record short clips or trigger notifications. Object Classification Station : Run small image classification models on the S3 Sense to identify objects on a workbench or conveyor belt and log results to local storage or the cloud. Portable Field Camera Node : Deploy the board with battery power and SD storage to capture and store images in remote locations for later analysis. Comparison: C3 vs S3 Sense Feature XIAO ESP32-C3 XIAO ESP32S3 Sense Processor ESP32-C3 single core, up to 160 MHz ESP32-S3 dual core, up to 240 MHz Memory Lower flash and no PSRAM on most variants Includes PSRAM and larger flash, microSD support on some SKUs Camera No built-in camera Built-in OV camera module and digital microphone On-device ML Limited for tiny models Better suited for vision and audio ML tasks Ideal Use Cases Low power IoT nodes, BLE peripherals, simple sensors AI camera projects, voice and vision prototypes, edge ML demos Form Factor XIAO compact size XIAO compact size with camera and sensor additions Related Products & Modules XIAO Series Collection IoT Sensors Collection Tutorial : Build a DIY Face Detection Camera Use the XIAO ESP32S3 Sense, attach power and optional microSD card, flash a sample face detection sketch using Arduino or MicroPython, and configure WiFi to stream or upload detection events to your dashboard. For best results use lightweight models optimized for the S3 Sense and test in varied lighting conditions. Suggested steps: Prepare hardware: XIAO ESP32S3 Sense, power source, optional microSD, and a PIR sensor if needed. Install toolchain: Arduino IDE or MicroPython firmware and required libraries for camera and ML inference. Load sample code: run a face detection example, adjust model thresholds and frame size for performance. Configure output: save snapshots to microSD or push events to a dashboard via MQTT or HTTP. Test and tune: iterate on model size, resolution, and detection thresholds for reliable results. Application: Speech recognition Video monitoring Wearable devices Image processing Smart homes Low-power (LP) networking Rapid prototyping Health monitoring Education

Seeed Studio XIAO ESP32-S3 Development Board Supports Wi-Fi & Bluetooth 5.0 The Seeed Studio XIAO ESP32-S3 Development Board is a compact and powerful ESP32 development board designed for IoT, smart home, wearable devices, and robotics projects. Powered by a 240MHz Xtensa 32-bit LX7 dual-core processor, it supports both Wi-Fi and Bluetooth 5.0 for seamless wireless communication. With its 2.4GHz rod antenna, reliable connectivity is ensured even in demanding environments. The board also features an ultra-low-power deep sleep mode, consuming as little as 14μA, making it perfect for battery-powered applications. Additionally, it includes lithium battery charging management, offering convenience for portable and energy-efficient projects. Features: Powerful MCU Board: Incorporates the ESP32S3 32-bit, dual-core, Xtensa processor working at up to 240MHz, mounted multiple development ports, Arduino and MicroPython support. Outstanding RF performance: Supports 2.4GHz WiFi and BLE 5.0 dual wireless communication, as well as 100m+ remote communication when linked with U. FL antenna. Elaborate Power Design: Lithium battery charge management capability, offering four power consumption models, including deep sleep mode with power consumption as low as 14μA. Thumb-sized Compact Design: 21 x 17.8mm, adopting the iconic XIAO form factor, appropriate for space-limited projects like wearable devices. Perfect for production: Breadboard-friendly and SMD design, with no components on the rear. Applications: Internet of Things Wearable devices Smart Homes Robotics Health monitoring Education Low-Power (LP) networking Rapid prototyping XIAO ESP32-S3 Development Board Pinout Diagram

Seeed Studio XIAO RP2040 Development Board Supports Arduino, MicroPython, and CircuitPython The Seeed Studio XIAO RP2040 Development Board is a compact, powerful, and versatile development board based on the Raspberry Pi RP2040 chip. As the smallest Raspberry Pi Pico variant, it offers a thumb-sized surface-mount design, making it perfect for space-constrained projects. This development board supports multiple programming environments, including Arduino, MicroPython, and CircuitPython, providing great flexibility for developers, hobbyists, and educators. Its compatibility with various programming languages such as C, Python, Go, and Rust, combined with a wide selection of available libraries, makes the XIAO RP2040 an excellent cost-effective choice for beginners and professionals learning coding and electronics basics. Features: Perfect Toolkit for Learning Coding and Electronics XIAO RP2040 provides a comprehensive development ecosystem that makes coding easy for newcomers while also giving powerful tools for expert developers. Use the Arduino IDE for speedy prototyping, the C/C++ SDK for peak performance, MicroPython/CircuitPython for quick scripting, or Rust and Go for modern applications. With thorough documentation and an active Raspberry Pi community, you'll find plenty of examples and tools to help you get started on your projects. The board includes a 3-color User LED and an RGB LED, allowing you to add visual indications or beautiful light effects to improve functionality and creativity. Classic form factor and extensive Seeed Studio XIAO ecosystem. XIAO RP2040, released in 2021, features the typical XIAO small shape of 21 x 17.8mm. Its native compatibility with the extensive XIAO Add-on ecosystem, which includes expansion boards, sensors, and displays as well as connectivity modules and actuators (Grove Expansion, CAN-Bus, LoRa module, LED Matrix, Vision AI Sensor, Round Display, L76K GSP module, 2-Mic Array, ePaper Displays, mmWave sensor, AC relay, Bus Servo Driver, and many others), makes it suitable for any project, no matter how simple or complex. Production-Ready Design with FREE PCBA Support All Seeed Studio XIAO development boards include a production-optimized SMD (Surface Mount Device) design with standardized stamp holes, making them ideal for commercial PCBA integration. Through our Fusion PCBA Sponsorship program, you can not only get the lowest unit prices for all XIAO modules from our Fusion Open Parts Library, but you can also fabricate and scale your XIAO-based PCBA designs at a low cost (30% off) with FREE Design for Manufacturing consulting services, streamlining the process from prototype to production. Hardware Overview: Top Board Bottom Board Pinout Diagram of XIAO RP2040 Applications: Learning & Education - Arduino, MicroPython, CircuitPython, TinyGo, Rust, and embedded system fundamentals USB HID devices - Include custom keyboards, stream decks, arcade controllers, and MIDI interfaces. Wearable projects - Smart accessories, LED garments, wrist devices, and sensor wearables. IoT and sensors - Environmental monitoring, smart house panels, weather stations, and MQTT. Display projects - LED matrices, POV displays, and rotating LED spheres. Development - Rapid prototyping, hardware testing, and PCB validation. Robotics - Basic motor control, sensor integration, and automation. Audio/Video - Sound processing, media controls, and visualizations.

Seeed Studio XIAO nRF52840 Module & Wio-SX1262 Kit for Meshtastic The Seeed Studio XIAO nRF52840 Module & Wio-SX1262 Kit is a powerful combination designed for modern IoT and wireless networking projects. Featuring the nRF52840 module and SX1262 transceiver, it supports BLE 5.0 and LoRa (862-930MHz) for reliable, long-range communication with low power consumption. This versatile kit is perfect for applications such as Meshtastic, environmental monitoring, sensor networks, asset tracking, and educational or innovative experiments. It's compact design and robust features make it an ideal solution for developers, makers, and students exploring connected device projects. Features: Versatile Microcontroller: Incorporate the Nordic nRF52840 chip with FPU, working up to 64 MHz, mounted several development ports, supported by Arduino, CircuitPython, and Micropython. Long-range: LoRa on the Semtech SX1262 supports the 868/915 MHz bands, providing powerful performance. Dual-core communication: It supports Bluetooth and LoRa dual modes, allowing for cross-domain interconnection. The integrated antenna is 8mm × 22mm × 23mm. Applications: Meshtastic Node&Router: An extremely compact node that may be used as a portable device or a stationary router to expand the Meshtastic network. LoRa/LoRaWAN Sensor: A little LoRaWAN sensor, excellent for those new to LoRa/LoRaWAN. When paired with a GPS module (such as the XIAO L76K), it can be used to track the movement of logistical vehicles, livestock, and important equipment. LoRa's long-distance coverage (2-5 km in urban areas and more than 10 km in suburban areas) can help to lower the cost of base station placement. Hardware Overview of XIAO nRF52840 Module: Pinout Diagram: Hardware Overview of Wio-SX1262: Pinout Diagram:

Seeeduino XIAO compatible with Arduino Seeeduino XIAO is the smallest Arduino compatible board in Seeeduino Family. It is an Arduino microcontroller that is embedded with the SAMD21 microchip. The interfaces of Seeeduino XIAO is rich enough in such a tiny Dev. Seeeduino XIAO is integrated with the powerful CPU-ARM® Cortex®-M0+(SAMD21G18) which is a low-power Arduino microcontroller. On the other hand, this little board has good performance in processing but needs less power. As a matter of fact, it is designed in a tiny size and can be used for Arduino wearable devices and small projects. Applications of Seeeduino XIAO: Wearable devices Rapid prototyping (directly attached to the expanded PCB as a minimal system) Perfect for all the projects need mini Arduino DIY keyboard USB development (USB to multi-channel TTL/USB host mode, etc.) A scenario where you need to read multiple mock values The Digital to Analog Converter output

Seeed Studio Seeeduino XIAO SAMD21 Arduino Compatible Board The Seeeduino XIAO SAMD21 is a compact yet powerful Arduino-compatible board built on the Microchip SAMD21G18 MCU. As the flagship of the Seeeduino XIAO series, this tiny board delivers professional-grade performance in a minimalist, SMD-designed form factor, making it perfect for space-constrained projects. It offers seamless compatibility with Arduino IDE, MicroPython, and PlatformIO, allowing flexible development for a wide range of applications. With extensive tutorials and learning resources, the Seeeduino XIAO SAMD21 is an excellent choice for beginners and hobbyists eager to explore open-source electronics. Features: Ultra-compact Seeeduino XIAO design Powered by SAMD21G18 MCU Arduino IDE, MicroPython & PlatformIO compatible Thumb-sized SMD package for space-saving projects Beginner-friendly with tutorials and learning resources Applications: Learning and Education (Arduino, MicroPython, Basic electronics, and prototyping) Wearable devices include health monitoring, interactive apparel, and tiny fitness trackers. IoT and sensor projects include environmental monitoring, data collection devices, smart home sensors, and small automation systems. Space-Constrained Mini Arduino Projects Rapid prototyping (fast proof-of-concept constructions, hardware testing, product prototypes, embedded system development) HID devices (do-it-yourself keyboard, USB to multi-channel TTL/USB host mode, Seeeduino XIAO SAMD21 Pinout Diagram

Seeed Studio XIAO ESP32-C6 Development Board Supports Wi-Fi 6, BLE 5.0, Zigbee & Thread The Seeed Studio XIAO ESP32-C6 development board is a powerful yet compact solution for modern IoT and smart home projects. Built on Espressif’s ESP32-C6 MCU, it supports advanced wireless connectivity including Wi-Fi 6, Bluetooth 5.0, Zigbee, and Thread, making it highly versatile for Matter-compliant applications. With its thumb-sized footprint and single-sided mount design, the board is ideal for space-constrained projects while still delivering strong performance. Integrated chip-level encryption ensures secure operation, while seamless compatibility with popular IoT cloud platforms enables developers to bring products to market faster. This ESP32 development board is a reliable choice for innovators looking to create next-generation connected devices. Features: Enhanced Connectivity: Includes 2.4GHz Wi-Fi 6 (802.11ax), Bluetooth 5 (LE), and IEEE 802.15.4 radio connectivity, allowing you to use the Thread and Zigbee protocols. Matter Native: Supports constructing Matter-compliant smart home projects through better connection and interoperability. Security Encrypted on Chip: Powered by ESP32-C6, it delivers increased encrypted-on-chip security to your smart home projects through secure boot, encryption, and Trusted Execution Environment (TEE). Outstanding radiofrequency performance: Has an on-board antenna with up to 80m of BLE/Wi-Fi range, while reserving an interface for external UFL antenna. Power Consumption: Offers four working modes, including deep sleep mode at 15 μA, and supports lithium battery charge management. Dual RISC-V Processors: Includes two 32-bit RISC-V processors, the high-performance CPU running up to 160 MHz, and the low-power processor clocking up to 20 MHz. Classic XIAO Designs: Retains the classic XIAO designs of the thumb-size form factor of 21 x 17.8mm and single-sided mount, making it ideal for space-limited projects such as wearables. Integration with popular cloud platforms: ESP Rain Maker, AWS IoT, Microsoft Azure, and Google Cloud. Applications: Secure and connected smart home that improves everyday living with automation, remote control, and more. Space-limited and battery-powered wearables, thanks to their small size and low power consumption Wireless IoT scenarios enable speedy, reliable data delivery. Seeed Studio XIAO ESP32-C6 Development Board Pinout Diagram

LED Driver Board for XIAO Supports 5V and 12V LED Strips -Seeed Studio The LED Driver Board for XIAO by Seeed Studio is a versatile and compact solution designed for driving 5V and 12V LED strips, including popular addressable RGB LEDs like NeoPixel WS2812, WS2813, and WS2815. This LED driver board seamlessly integrates with all XIAO boards, providing smart lighting control and automation when paired with XIAO ESP32 Series using WLED and Home Assistant. It offers flexible power supply options, making it ideal for a wide range of lighting projects. Additionally, the board comes with comprehensive protection features, ensuring safe and reliable operation in home automation and creative lighting setups. Features: Wide LED Compatibility: The driver is versatile and can support both 5V/3A and 12V/2A LED strips. It also has integrated power regulation. Compatible with single-color and addressable RGB LEDs, including NeoPixel WS2811, WS2812(B), WS2813, WS2815, SK6812, and other 1-wire protocol LEDs, giving a wide range of lighting options. XIAO Compatibility for Smart Control: Designed to fit all Seeed Studio XIAO boards. When linked with the XIAO ESP32 Series (ESP32-C3/S3/C6), unlock smart features via WLED app support - Control colors, effects, brightness, and create creative animations (XIAO ESP32C3 comes strongly recommended). Home Assistant connection with ESP Home enables remote control, automation, and smart home scenarios. Grove Ecosystem Compatibility: The onboard Grove interface is compatible with over 400 Seeed Studio modules, such as infrared sensors, temperature sensors, accelerometers, and others, allowing you to easily improve lighting interactivity with the surroundings and motion for smarter, more personalized effects. Flexible Power Input: Supports 12V/2A power via a normal DC adapter (EU/US plugs) or direct DC wiring, with a universal 5.5mm x 2.1mm DC Barrel Jack connector. Suitable for temporary and permanent installations. Compact form factor: The space-efficient design enables for inconspicuous installation alongside LED strips or in tight places, making it appropriate for a variety of lighting applications while preserving full functioning. Comprehensive Protection: Overcurrent, overvoltage, overtemperature, and short-circuit protection are integrated to ensure reliable operation and component longevity. Hardware Overview: Applications: Home Lighting & Decoration: RGB strip lights, wall lights, and holiday decorations Educational and Science Experiments: Coding and Microcontroller Education, LED Light Design, Physical Data Visualization Gaming and interactive installations: PC case illumination, around-screen LED effects, interactive LED floor or wall. DIY Projects and Fun Uses: LED name boards, LED clocks, DJ disco lights, RGB mood lighting.

Seeed Studio XIAO RP2350 Development Board Support Micropython / C, C++ The Seeed Studio XIAO RP2350 is a powerful and compact development board designed for a wide range of embedded applications. It integrates the Raspberry Pi RP2350 processor, featuring dual Arm Cortex-M33 cores running at 150 MHz and dual open-hardware RISC-V cores, offering enhanced performance, security, and encryption capabilities. With support for MicroPython, C, and C++, developers can easily create versatile, battery-powered projects such as smart controls, wearables, and DIY keyboards. Measuring only 21x17.8 mm, the board includes 19 multifunction GPIOs, an RGB LED, and a Battery Management System with ultra-low power consumption of just 27μA. Thanks to the XIAO ecosystem, the XIAO RP2350 seamlessly supports various add-ons, including displays, LED matrices, Grove modules, CAN Bus, Vision AI sensors, and mmWave sensors, making it a perfect choice for efficient and compact embedded system development. Features: Powerful MCU Board: The Raspberry Pi RP2350 processor has dual-core, dual-architecture capabilities, allowing developers to choose between two industry-standard Arm Cortex-M33 cores @ 150MHz with FPU and two open-hardware Hazard3 RISC-V cores. Enhanced Security Features: The built-in secure boot and encrypted bootloader provide application security. Software Support: Compatible with C/C++ and MicroPython, allowing for easy project development and prototyping. Rich Onboard Resources: Includes an RGB LED, 2MB Flash, 520kB SRAM, and 19 multifunction GPIOs (Analog, Digital, I²C, UART, SPI, PWM). Expanded 8 New IOs: Compared to prior XIAO MCUs, the addition of 8 IO pins on the back allows for more complicated applications. Efficient Power Design: In sleep mode, the device consumes only 27μA, making it suitable for battery power supply. Direct battery voltage measurement via internal I/O improves the battery management system (BMS). Compact, thumb-sized design: It is 21 x 17.8mm and uses Seeed Studio's iconic XIAO form factor, making it excellent for space-conscious applications. Production-friendly: Surface Mount Device (SMD) design features all components on the front and stamp holes on both sides, allowing for efficient mass manufacture. Hardware Overview: Pinout Diagram of XIAO RP2350 Front View Back View Applications: Smart Control Human Interface Devices (HID, such as mouse, DIY Mechanical Keyboard, joystick, console) Education Robotics Wearables

Seeed Studio XIAO nRF52840 Development Board Supports Bluetooth 5.0 The Seeed Studio XIAO nRF52840 Development Board is a powerful yet compact nRF52840 module designed by Nordic, bringing wireless capability to the XIAO family for the first time. This versatile nRF52840 board supports Bluetooth 5.0 and is optimized for low power consumption, making it an excellent choice for IoT, wearable devices, and Bluetooth-based applications. With its tiny size and robust performance, the Seeed Studio XIAO nRF52840 is the perfect microcontroller for developers looking to build efficient and reliable wireless solutions. Features: Versatile Microcontroller: Incorporate the Nordic nRF52840 chip with FPU, operating up to 64 MHz, mounted multiple development ports, supported by Arduino / CircuitPython /Micropython Wireless Capabilities: Implement Bluetooth 5.0, BLE functions with onboard antenna, also provide NFC connectivity Elaborate Power Design: Provide ultra-low power consumption as 5 μA in deep sleep mode while supporting lithium battery charge management Thumb-sized Design: 21 x 17.8mm, Seeed Studio XIAO series classic form-factor, suitable for wearable devices Perfect for Production: Breadboard-friendly & SMD design, no components on the back

XIAO Smart Vision AI Camera for Edge AI Applications -Seeed Studio The XIAO Smart Vision AI Camera by Seeed Studio is a compact and powerful AI vision camera solution designed for edge AI applications. It integrates the Grove Vision AI V2 module, XIAO ESP32-C3 controller, and an OV5647 camera into a custom 3D-printed enclosure, delivering a seamless development experience. Powered by the Himax WiseEye2 platform with an Arm Cortex-M55 processor and Ethos-U55 NPU, this device offers efficient on-device AI processing. Supporting both TensorFlow and PyTorch frameworks, it ensures compatibility with the Arduino IDE and allows developers to deploy models without coding hassles. With real-time inference visualization provided by SenseCraft AI, it’s perfect for beginners and experienced developers working on innovative AI vision projects. Features: Powerful AI Processing Capabilities The Grove Vision AI Module V2 is powered by the WiseEye2 HX6538 processor, which features a dual-core Arm Cortex-M55 and an embedded Arm Ethos-U55 neural network unit. Deploy and Visualize AI Models without Coding SenseCraft AI offers built-in models (Mobilenet V1/V2, EfficientNet‑Lite, YOLO v5/v8) or custom datasets for "Quick Training" or "Image Collection Training." After training, models are deployed to the device with a single click and inference results are visualized in real-time on the web, eliminating the need for coding. Wi-Fi Enabled Smart Vision With the built-in Wi-Fi capabilities of the XIAO ESP32-C3, you may turn this device into an intelligent IP camera. Stream detection findings wirelessly and seamlessly interact with platforms like as Home Assistant, extending its utility across a wide range of smart home scenarios. This wireless link transforms simple object detection into networked intelligent vision, allowing for remote monitoring and smart automation applications. Local Closed-Loop Automation and Home Assistant Integration After deploying a model with SenseCraft AI and flashing ESPHome, users can integrate the XIAO Vision AI Camera into Home Assistant. Within the automation editor, users can trigger other devices or send notifications based on detection events (e.g., falls, object detection), enabling a fully local, closed-loop workflow from vision to action. Fully Open Source All code, design files, and schematics are available for modification and use. We may also assist you personalize the device to match your specific applications through our ODM services. Please contact us at iot[@] seeed.cc if you are interested. What is the performance of the XIAO Vision AI Camera? To quickly assess the performance of this board, we compared it to Seeed's other MCU-based vision AI boards: Grove - Vision AI Module, thumb-size, AI-powered camera, easy-to-use, customizable sensor, super low power cost. - Seeed Studio, Mini ESP-CAM Dev Board for Edge AI - XIAO ESP32S3 Sensor in four areas: These findings clearly show that the Grove Vision AI V2 in the XIAO Vision AI Camera is an excellent option for high-performance vision processing. How XIAO VIsion AI Camera Works? How to Use it? SenseCraft AI is a platform that allows for easy AI model training and deployment using no-code/low-code. It natively supports Seeed products, guaranteeing that trained models are fully adaptable to them. Furthermore, deploying models using this platform provides quick viewing of identification results on the website, allowing for rapid assessment of model performance. With the SenseCraft AI, you can easily integrate vision AI to your smart sensor with Grove Vision AI V2. This is ideal for tinyML applications. Connect the device, select a model, and check identification results to deploy off-the-shelf or bespoke AI models quickly and easily. Applications: Industrial Automation: Quality inspection, predictive maintenance, voice control, and so on. Smart City: Monitoring equipment, managing energy consumption, and so on. Transportation: Status monitoring, position tracking, and so on. Intelligent Agriculture: environmental monitoring, etc. Mobile IoT Devices: Wearable, handheld, and other types of devices.

Seeed Studio XIAO ESP32S3 Sense: 2.4GHz Wi-Fi, BLE 5.0, OV3660 Camera Sensor, Digital Microphone, 8MB FLASH, 8MB PSRAM, Rich Interface, Battery Charging Supported, IoT, Embedded ML If you want a small but powerful development board, pick the Seeed Studio XIAO ESP32S3 Sense. It is ideal for IoT and embedded machine-learning projects. This seeed studio ESP32 board has a powerful Xtensa processor ESP32-S3R8 SoC that provides dependable 2.4GHz Wi-Fi and Bluetooth BLE 5.0. It has an OV3660 smart camera sensor board for crisp 1600*1200 quality photos and a built-in digital microphone for voice detection and audio recognition. You'll love the 8MB PSRAM and 8MB FLASH, plus an SD card slot for up to 32GB of extra storage. It supports battery charging, making it great for portable projects, and it’s versatile with its wide range of interfaces. The XIAO ESP32S3 Sense also offers pre-trained AI models and no-code deployment through SenseCraft AI. Despite its powerful features, it maintains the classic thumb-sized form factor of the XIAO family. This board is a fantastic choice for your next project! Features: Features a powerful ESP32S3 32-bit dual-core processor. It supports Arduino and MicroPython. Includes a detachable OV3660 camera for 1600*1200 resolution. Includes an integrated digital microphone. Measuring just 21 x 17.5mm. Has 8MB PSRAM, 8MB FLASH, and an SD card slot for up to 32GB of memory. Supports 2.4GHz Wi-Fi and BLE with a 100m+ range using a U.FL antenna. Provides pre-trained AI models from SenseCraft AI for no-code deployment. Application: Speech recognition Video monitoring Wearable devices Image processing Smart homes Low-power (LP) networking Rapid prototyping Health monitoring Education

Seeed Studio XIAO Nordic nRF52840 Sense Module The Seeed Studio XIAO Nordic nRF52840 Sense Module is a compact yet powerful development board designed for AIoT and sensor-rich applications. Powered by the advanced Nordic nRF52840 chipset, it offers Bluetooth 5.0 connectivity with low energy consumption, making it highly efficient for IoT, wearables, and smart devices. This versatile nRF52840 module integrates an onboard IMU and PDM microphone, enabling motion tracking and audio input for embedded Machine Learning projects. Its small form factor, rich features, and low-power performance make it an excellent choice for developers working on next-generation AI and IoT solutions. Features: Versatile Microcontroller: Incorporates the Nordic nRF52840 chip with FPU, working up to 64 MHz, mounted several development ports, supported by Arduino and CircuitPython. Wireless Capabilities: Support Bluetooth 5.0, BLE functionalities with integrated antenna, and NFC connectivity. Elaborate Power Design: Uses only 5 μA in deep sleep mode and supports lithium battery charge management. Advanced onboard functionality: Add a digital microphone and a 6-axis IMU to the compact board for embedded machine learning applications. Thumb-sized Design: 21 x 17.8mm, Seeed Studio XIAO series classic form-factor, appropriate for wearable devices. Applications: Small and flexible wearable gadget. Wi-Fi/Bluetooth wireless connection project Embedded Machine Learning Project IoT and TinyML AI applications. Perfect for mini-Arduino projects. XIAO Nordic nRF52840 Sense Module Pinout Diagram

RS-485 Breakout Board for XIAO Converts UART to RS-485 Signals -Seeed Studio The Seeed Studio RS-485 Breakout Board is a compact and efficient solution designed to extend the functionality of Seeed Studio XIAO development boards by converting UART serial streams into robust RS-485 signals. Featuring the high-performance TP8485E half-duplex transceiver IC, this breakout board enables reliable data transmission over long distances—up to 1200 meters—even in high-noise industrial environments. It operates using a simple 5V or 12V DC power supply and provides convenient RS-485 output through 3-pin terminals for both signal and power connections. This versatile breakout board is the perfect choice for developers seeking reliable, long-distance serial communication in demanding applications. Features: Seamless compatibility with Seeed Studio XIAO: Seeed Studio XIAO development boards are designed to work together smoothly. Long-Distance Transmission: Capable of communicating across lengths of up to 1200 meters (about 3973 feet). Supports Wide Voltage Input: Compatible with both 5V and 12V power supplies. Two Terminal Connection: two 3-pin terminals for signal wire and power Compact Design: The breakout board has a compact form factor (the size of two XIAO boards), making it suited for space-conscious projects. Hardware Overview: Applications: Industrial Automation Remote Monitoring Systems Data Acquisition Systems Other Embedded Systems Requiring Serial Communication

Seeed Studio Wio Link Wireless Development Board Wio Link is designed to simplify your IoT development. It is an ESP 8266-based open-source Wi-Fi development board to create IoT applications by virtualizing plug-and-play modules to RESTful APIs with mobile APPs. This time, we define a new way to create IoT applications. No hardware programming. No breadboard. No jumper wires. No soldering. The Wio Link allows visual configuration and updates can be done easily with the help of OTA features. You can also perform plug-and-play groves and IFTTT applications. The Wio Link is also compatible with android and IOS applications. Applications: Environment Monitor Smart Plant Watering Feed Your Pet Boss Key Traffic Light Prompter Also check Seeedstudio Grove-Voltage Divider Module . The module allows users to adjust the gain of an input voltage. It is easy to use and has a small size. Also check Seeeduino XIAO compatible with Arduino . Some of its features include a 48MHz ARM Cortex-M0+ processor, 256KB of flash memory, and 32KB of SRAM. It also has 14 GPIO pins, 11 analog pins, and multiple development interfaces.