SmartElex Multiplexer USB/TTL/RS232/RS485 Communication Converter The SmartElex Multiplexer USB/TTL/RS232/RS485 Communication Converter is a versatile interface board designed to simplify data communication between different serial protocols. It allows users to convert and connect USB signals to TTL, RS232, or RS485 devices without complex wiring or additional hardware, making it ideal for students, makers, engineers, educators, and startups working with industrial equipment, microcontrollers, or legacy communication systems. This module helps bridge communication gaps between computers and embedded hardware, reducing setup time during development and troubleshooting. This multiplexer converter is commonly used in robotics, IoT device management, automation systems, PLC communication, sensor networks, and serial debugging tasks. It works smoothly with Arduino, Raspberry Pi, ESP32, and other microcontroller platforms, enabling stable data exchange and reliable serial protocol conversion for both prototypes and field applications. With easy integration and dependable performance, the SmartElex USB/TTL/RS232/RS485 converter is a practical tool for laboratories, development environments, and industrial interfacing projects that require seamless multi-protocol communication. Features: Supports USB to TTL, RS232, and RS485 serial communication Enables multiple protocol conversions in a single module Simplifies interfacing between computers and embedded systems Compatible with Arduino, Raspberry Pi, ESP32, PLCs, and sensors Ideal for robotics, IoT, automation, and industrial applications Suitable for debugging, monitoring, and data communication testing

7Semi FT232 USB-C To UART TTL Communication Module The 7Semi FT232 USB-C To UART TTL Communication Module is a compact and dependable FT232 USB UART module designed for smooth and efficient serial communication between USB devices and TTL-level hardware. Powered by the original FT232RL chipset, this USB to UART TTL module ensures excellent compatibility across Windows, Linux, Mac OS, and Android systems. It features a flexible VCCIO power selection that allows users to choose between 5V and 3.3V output using a jumper, or draw power directly from the target board within a 3.3V to 5V range. The onboard TX, RX, and PWR LEDs provide clear visual feedback during data transmission, while accessible pin headers and drilled holes make integration easy for prototyping, debugging, and embedded development projects. Designed with a standard pin pitch, this module is a reliable choice for developers, engineers, and electronics enthusiasts seeking stable USB-to-TTL communication. Features: Original FT232RL onboard. Supports MacOS, Linux, Android, WinCE, and Windows 7/8/8.1/10/11. 3x VCCIO power mode with jumper settings: VCCIO - 5V: 5 volt output VCCIO - 3.3V: 3.3 volt output Open the jumper: powered by the target board (3.3V-5V). 3x LED indicators: TX, RX, and PWR Pins accessible on pinheaders: TX, RX, RTS, and CTS Other pins are accessible through drilled holes and can be simply connected to the user's application system.

SmartElex PL2303 USB to UART Board with Type-A Connector The SmartElex PL2303 USB UART Board with Type-A Connector is a reliable USB UART Board designed to simplify PC-to-microcontroller serial communication. Built around the proven PL2303TA chipset, this USB Type-A UART adapter module delivers stable, high-speed data transfer of up to 6 Mbps, making it suitable for programming, debugging, and embedded development. With jumper-selectable 3.3V and 5V logic levels, it supports a wide range of development boards and MCUs. Clear LED indicators for power, TX, and RX provide real-time communication status, while the compact, plug-and-play design ensures quick setup and hassle-free use for developers, students, and electronics hobbyists. Applications: Programming and Debugging Microcontrollers Serial connection between embedded systems USB to TTL converter for different devices Data logging and monitoring. Cautions: To avoid damage, ensure that the voltage is set correctly using the onboard jumper. This module is intended for TTL level signals; do not connect directly to RS232 ports. Avoid dampness and static discharge. Features: Prolific PL2303TA Chipset - Provides stable and fast data connectivity. USB Type-A Interface - Most PCs allow for a simple plug-and-play connection. Dual Voltage Support - An inbuilt jumper allows you to select between 3.3V and 5V. High Baud Rate - Allows for speeds of up to 6 Mbps for quick data transfer. LED Indicators - Visual status for TXD, RXD, and Power facilitates debugging. Multi-OS Compatibility: Compatible with Windows XP, 7, 8, 8.1, and 10. Compact and lightweight, weighing only 8g and perfect for mobile or embedded use. TTL Serial Communication - Provides a seamless connection between microcontrollers and PCs. Durable PCB Design - Reliable enough for long-term use in test setups. Ideal for Developers - Suitable for embedded system development and prototyping.

7Semi Compact FT232 USB-C UART (TTL) Communication Module The 7Semi Compact FT232 USB-C UART (TTL) Communication Module is a reliable and easy-to-use USB UART Module designed for stable USB-to-TTL serial communication. Powered by the FT232RNL chip, it ensures accurate data transfer between USB ports and microcontrollers, development boards, or embedded systems. With support for both 5V and 3.3V logic levels, this USB UART Module adapts easily to different hardware requirements. Its USB Type-C interface enhances durability and connectivity, while the onboard TX and RX LEDs provide clear visual feedback during data transmission, making it ideal for debugging, programming, and serial communication applications. Features: Time-saving: With quick setup and straightforward use, you can focus on your job rather than connectivity issues. Wide Application: It is compatible with a wide range of TTL devices, making it suitable for a variety of projects. Project tracking allows you to easily monitor data flow and ensure that everything goes properly. Adaptable: The flexible power and logic levels accommodate a wide range of development situations. FT232 devices provide two driver options: VCP (Virtual COM Port): Ideal for simple projects in which you want your device to behave like a conventional serial device. D2XX: Provides greater control and flexibility, but requires programming using API functions. Select this if you require advanced functionality.

SmartElex CP2102 Type C, USB To UART (TTL) Communication Module The SmartElex CP2102 module is a compact and reliable communication module designed to convert USB-C signals into UART (TTL) serial communication. It helps users easily connect microcontrollers and development boards to a computer for programming, debugging, and serial monitoring, removing the need for complex interfaces. This module is well suited for students, makers, educators, engineers, and startups who need a dependable USB to serial solution for everyday electronics work. This USB to UART TTL converter module works smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, making it useful for robotics, IoT development, automation systems, and rapid prototyping. Its plug-and-play USB-C design allows quick setup and stable data communication, saving time during development and testing. Whether used for firmware upload, device configuration, or serial communication, this module offers reliable performance and easy integration for practical embedded projects. Applications: Programming and debugging microcontrollers Serial communication with embedded systems USB to TTL conversion for compatible devices Data logging, testing, and monitoring tasks Cautions: Ensure the correct voltage is selected using the onboard jumper to avoid damage Designed only for TTL-level signals; do not connect directly to RS232 interfaces Avoid exposure to moisture and protect the module from static discharge Features: USB-C to UART (TTL) communication module for serial interfacing Based on CP2102 chipset for stable and reliable data transfer Plug-and-play design for quick setup with a computer Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Ideal for programming, debugging, and serial monitoring tasks Suitable for robotics, IoT, automation, and DIY electronics projects

SmartElex PL2303 USB To UART Communication Converter Module The SmartElex PL2303 module is a reliable USB to UART converter designed to make serial communication simple and accessible for embedded projects. It helps users connect microcontrollers and development boards to a computer through USB, solving common debugging and programming challenges. This USB to Serial TTL Module is ideal for students, makers, educators, engineers, and startups who need a dependable interface for testing, flashing, and communicating with serial devices. This module works smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, making it useful for robotics, IoT development, automation systems, and rapid prototyping. Its plug-and-play design allows quick setup without complex wiring, helping users save time during development and troubleshooting. Whether used for firmware upload, serial monitoring, or device communication, this converter offers stable performance and easy integration for everyday electronics projects. Features: Reliable USB to UART converter for serial communication Based on the PL2303 chipset for stable data transfer Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Plug-and-play operation for quick setup and use Ideal for programming, debugging, and serial monitoring Suitable for robotics, IoT, automation, and DIY electronics projects

SmartElex USB HUB with 4x USB 2.0 Ports The SmartElex USB HUB with 4x USB 2.0 Ports is a compact and efficient USB 2.0 4-port hub expansion solution designed to extend USB connectivity for PCs, laptops, Raspberry Pi, and development boards such as Arduino. This compact USB hub for Raspberry Pi & PC connects via a USB Type-C port and allows simultaneous use of up to four USB devices, including keyboards, mice, USB flash drives, and USB hard drives. With a maximum data transfer speed of 480 Mbps, it ensures reliable performance for data communication and peripheral control. Its plug-and-play functionality eliminates the need for external power or driver installation, making it a practical and portable accessory for DIY electronics, embedded projects, and everyday productivity setups. Features: 4 USB 2.0 Ports - Turn one port into four. High-Speed Transfer - Up to 480 Mbps. Plug and play - no drivers or configuration necessary. Compact design allows for easy portability and space savings. Backward Compatibility: Supports USB 1.1 and earlier devices. Universal compatibility - supports Windows, Linux, and Mac OS. Ideal for development boards, such as Raspberry Pi and Arduino. Low power consumption - In most circumstances, it can operate without the need for external power.

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 A603 Carrier Board for Jetson Orin™ NX/Orin™ Nano The Seeed Studio A603 Carrier Board for Jetson Orin™ NX/Orin™ Nano is a powerful and versatile extension board designed to maximize the performance of NVIDIA’s Jetson modules. Equipped with a GbE port, M.2 Key M for SSD storage, and M.2 Key E for WiFi/Bluetooth connectivity, it ensures seamless integration for data-intensive applications. With MIPI CSI and HDMI support, the carrier board enables high-quality video capture and display, making it ideal for AI vision projects. It also includes 4x USB ports, a built-in cooling fan, and RTC functionality, all powered by a flexible 9–20V input. Its compact and space-saving design allows easy integration into a wide range of edge computing and embedded AI solutions. Features: Compatible with Jetson Orin™ NX/Orin™ Nano modules High-speed Gigabit Ethernet (GbE) port M.2 Key M slot for SSD storage expansion M.2 Key E slot for WiFi/Bluetooth modules MIPI CSI and HDMI interfaces for video input/output 4x USB ports for peripheral connectivity Built-in cooling fan and RTC support Wide 9–20V DC power supply input Compact design for easy integration in edge computing Applications: Autonomous Mobile Robot (AMR) AI Video Analytics Machine Vision Generative AI Hardware Overview:

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.