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

XIAO ESP32S3 & Wio-SX1262 Kit for Meshtastic & LoRa The XIAO ESP32S3 & Wio-SX1262 Kit is a compact and versatile development board designed for building low-power, long-range wireless networks. Ideal for applications like Meshtastic, LoRaWAN, and sensor-based projects, it combines the powerful ESP32-S3 microcontroller with the Semtech SX1262 LoRa module. This combination enables seamless communication over distances up to 2.5 km using LoRa technology, along with Wi-Fi and Bluetooth connectivity for added flexibility. Measuring just 21 x 18 mm, the kit is perfect for space-constrained environments such as wearables or remote sensor nodes. It comes pre-flashed with Meshtastic firmware, allowing for immediate use in mesh networking applications. Additionally, the board supports Arduino development, making it accessible for both beginners and experienced developers. With its low power consumption and robust wireless capabilities, this kit is an excellent choice for creating reliable communication networks in remote or challenging environments. Features Compatible with XIAO Expansion Board for adding screens and sensors, and add Grove sensors via the Grove expansion Board. Support connecting an external high-performance LoRa antenna using an IPEX to SMA connector: FPC antenna included in package 2 dBi external antenna and SMA to I-PEX antenna cable 3 dBi fiberglass antenna and RPSMA-K to U.FL RF cable Hardware Overview Application Meshtastic Node & Router Acts as an ultra-small node that can be used as a portable device or a fixed router to expand the Meshtastic network. LoRa/LoRaWAN Sensor A mini LoRaWAN sensor, perfect for beginners exploring LoRa/LoRaWAN technology. Can be used with the XIAO extension board and Grove sensors for quick prototyping. LoRaWAN Single Channel Gateway A cost-effective single-channel LoRaWAN gateway to connect multiple LoRaWAN sensors and send data to network servers like The Things Network and Chirpstack.

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

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 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

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 ESP32C3 Seeed Studio XIAO ESP32C3 is the perfect solution for IoT and wearable applications. It is compact, advanced, high-performance, efficient, versatile, user-friendly, and durable.  XIAO ESP32C3 ensures the highest quality and durability. Its 32-bit RISC-V chip provides powerful processing and guarantees high efficiency. The low-power design used in XIAO ESP32C3 offers energy efficiency, making it suitable for low-power networking and perfect for IoT projects. Our XIAO ESP32C3 is easy to use and maintain with an integrated antenna and is designed to enhance connectivity. XIAO ESP32C3, with its versatile interfaces, and is suitable for all age ranges. Available in classic thumb size. Ideal for varied IoT applications. Features: Flexible MCU Board: Incorporate the ESP32-C3 32-bit RISC-V chip, operating up to 160 MHz, mounted multiple development ports, supported by Arduino / CircuitPython Outstanding RF performance: Implement complete Wi-Fi functions and Bluetooth Low Energy, while supporting communication over 100m with a U.FL antenna Elaborate Power Design: Provide 4 working modes as low as 44 ?A in deep sleep mode, while supporting lithium battery charge management Thumb-sized Design: 21 x 17.5mm, Seeed Studio XIAO series classic form factor, suitable for wearable devices Perfect for Production: Breadboard-friendly & SMD design, no components on the back Applications: Internet of Things Wearable devices Health monitoring Education Low-Power(LP) networking Rapid prototyping

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 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 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