SmartElex RP2350A Microcontroller NEO Development Board

7Semi BME680 Temperature, Humidity, Pressure & Air Quality Sensor Breakout with Qwiic Interface The 7Semi BME680 Environmental Sensor Breakout is a compact yet powerful module designed for applications that require accurate measurement of temperature, humidity, pressure, and indoor air quality. Built around the trusted Bosch BME680 sensor, it provides dependable multi-parameter environmental data in real time, making it ideal for IoT projects, smart home automation systems, and portable environmental monitoring devices. Its efficient gas sensor intelligently detects VOC levels, helping you assess indoor air quality with ease. Engineered for universal compatibility, this breakout includes both a voltage regulator and level shifter, enabling seamless integration with 3.3V and 5V microcontroller platforms such as Arduino and Raspberry Pi. The Qwiic connector and I2C/SPI support ensure quick setup without messy wiring, while its compact size makes it perfect for wearables and space-constrained builds. With low-power operation, stable readings, and selectable I2C addresses, this module provides developers with a simple and reliable way to enhance environmental sensing in modern embedded projects. Features: Provides accurate measurement of temperature, humidity, pressure, and VOC-based air quality, making it an all-in-one environmental sensor solution. Supports I2C and SPI communication, ensuring smooth integration with Raspberry Pi, Arduino, ESP32, and other development boards. Includes selectable I2C addresses (0x76/0x77) to allow multiple sensors on a single bus without conflicts. Features a built-in voltage regulator and level shifting circuitry, allowing safe use with both 3.3V and 5V systems. Designed with low power consumption, suitable for long-term, battery-powered, or portable applications. Comes in a compact 19×19 mm breakout form factor, perfect for handheld devices, IoT wearables, and mini weather stations. Provides stable VOC readings after a short burn-in time, ensuring reliable indoor air quality measurements.

Official Arduino UNO Q SBC 4GB ABX00173 The Arduino UNO Q SBC 4GB ABX00173 is a powerful and humanized dual-brain development platform designed to seamlessly bridge high-performance computing with real-time control. Featuring a Linux® Debian-capable Qualcomm® Dragonwing™ QRB2210 microprocessor alongside a real-time STM32U585 microcontroller (MCU), this 4GB variant delivers enhanced memory capacity for demanding AI-driven applications. Whether you're building systems for object recognition, voice commands, motion detection, or other intelligent edge applications, the Arduino UNO Q 4GB provides the perfect balance between a full-fledged single-board computer and precise microcontroller control. It’s not just Arduino—it’s a complete innovation platform ready to power your next advanced project. This edition of Arduino UNO Q has 4 GB of RAM and 32 GB of eMMC, making it the best choice if: You plan to use UNO Q in single-board computer (SBC) mode. Your application requires numerous high-level processes to execute at the same time. You intend to use larger, more complex AI or machine learning models (such as high-resolution computer vision or advanced audio processing). You'll need enough of built-in storage for logs and data, as well as a strong development environment. The Arduino UNO Q is the ideal tool for prototyping your next robotics or IoT project because: All-in-One Toolbox: The Arduino UNO Q is a versatile tool that combines the Dragonwing™ QRB2210 microprocessor (MPU) with a real-time STM32U585 microcontroller (MCU), making it ideal for any project. AI in a blink: Discover AI-powered vision and sound solutions that respond to their surroundings. Millions of Arduino users have created libraries, sketches, and projects for the UNO ecosystem. Compatible with the Arduino UNO ecosystem: UNO Q is compatible with a wide range of Arduino hardware, including old UNO shields and new carriers, as well as Modulino® nodes and third-party modules via the Qwiic connector. Streamlined software experience: In addition to the Arduino IDE and Arduino Cloud, you can get started with a plethora of pre-built examples and AI models available through Arduino App Lab. Seamless, unified development: create classic Arduino Sketches, code in Python® using the pre-installed Linux® Debian OS, or combine the two from a single interface - easy with Arduino App Lab. What is the Arduino App Lab? Unified Developer Experience App Lab is a brand-new comprehensive development environment that unifies the journey from Linux® to real-time OS. Preloaded on the UNO Q, App Lab combines Arduino Sketches, Python® scripts, and containerized AI models to create fully integrated applications that can be administered from a single interface. Ready-to-use Apps and Bricks Get started quickly with Arduino Apps, self-contained examples that include everything you need. Add plug-and-play capabilities to your projects using pre-built Bricks to help you push your ideas even further. Pre-loaded AI models With pre-loaded AI models in Arduino App Lab, you can use real-world data for a variety of tasks, including object/human detection, anomaly detection, image categorization, sound recognition, and keyword spotting. Find out more in the official documentation . Features: Microprocessor: Qualcomm® Dragonwing™ QRB2210 Microcontroller: Real-time, low-power STM32U585 MCU RAM: 4 GB LPDDR4 Storage: 32 GB eMMC built-in (no SD card required) Connectivity: Dual-band Wi-Fi® 5 (2.4/5 GHz), Bluetooth® 5.1 High-speed headers: Power advanced peripherals – vision, audio, display Classic UNO headers: Mount shields to add capabilities LED matrix: 8 x 13 LED matrix for visual creation and feedback USB-C connector: Power delivery, video output, or connect keyboard, mouse, USB microphones or USB cameras via dongle Qwiic connector: Expand easily with Modulino® nodes – no soldering required

7Semi DC Buck Converter Breakout 5V 2A Out (AP62301) (BO-10133) The 7Semi DC Buck Converter Breakout 5V 2A Out (AP62301) is a small power module that converts higher DC input voltages into a steady 5V output with up to 2A current. It allows you to power 5V-based electronics from a wide range of DC power sources such as batteries and adapters. This makes it perfect for projects that need a reliable 5V supply. Built with an efficient synchronous buck converter design, this module delivers stable power while keeping energy loss and heat to a minimum. Its compact size makes it easy to add to space-limited electronics projects like IoT devices, microcontroller boards, and portable systems. Whether you’re building sensors, development boards, or embedded systems, this buck converter gives you a simple and dependable way to get 5V power. Features: Provides a stable 5V output with up to 2A continuous current Accepts a wide range of DC input voltages for flexible power sources Efficient synchronous buck converter design for low power loss Low heat generation for cool and reliable operation Compact breakout board for easy integration and prototyping Ideal for powering 5V microcontrollers, sensors, and IoT devices Perfect for embedded systems, portable electronics, and hobby projects

7Semi BMP581 High-Precision Barometric Pressure & Altitude Sensor Breakout The 7Semi BMP581 Barometric Pressure & Altitude Sensor Breakout is engineered for projects that demand highly accurate atmospheric pressure and altitude data. Built on Bosch’s advanced sensing technology, this compact module delivers exceptional precision with ±30 Pa absolute accuracy and ±6 Pa relative accuracy, translating to altitude precision as fine as ±0.5 meters. Its ability to operate across a wide 300–1250 hPa pressure range makes it ideal for applications like weather stations, environmental monitoring, and UAV altitude tracking. Designed for effortless integration, the BMP581 supports I2C, I3C, and SPI interfaces, making it compatible with a wide range of development boards and embedded systems. The Qwiic connector ensures solder-free wiring, while the low-power operation makes it suitable for portable and battery-powered devices. Whether you're building an IoT sensor node, a smart altimeter, or barometric logging system, this breakout brings reliable performance, high sensitivity, and fast data rates, perfect for altitude measurement and barometric pressure sensing projects. Features: Provides high-precision barometric readings with ±30 Pa absolute accuracy and ±6 Pa relative accuracy for reliable altitude measurement. Offers extremely fine resolution down to 1/64 Pa, ensuring smooth and accurate environmental data output. Includes Qwiic Connect support for solder-free I2C connectivity along with 0.1" header pins for SPI or wired I2C connections. Operates with ultra-low power consumption, only 1.5 µA in deep standby and 260 µA during active measurements. Covers a wide pressure sensing range from 30 to 125 kPa with high output data rates up to 622 Hz for real-time applications. Provides flexible configuration options, including adjustable oversampling, FIFO buffer, and low-pass filtering for optimized performance. Features 6 bytes of onboard non-volatile memory for storing user-specific calibration or configuration data.

7Semi 5A Analog INA169 DC Current Sensor Breakout The 7Semi 5A Analog INA169 DC Current Sensor Breakout is a precision Analog DC current sensor designed for accurate current monitoring in electronic circuits. Powered by the trusted INA169 chip, it delivers consistent current readings up to 5A across a wide input range of 2.7V to 60V. Its low offset voltage and minimal quiescent current ensure reliable measurements, while adjustable gain and overcurrent protection add versatility for various applications. Compact and easy to integrate with microcontroller-based systems, this INA169 current sensor is perfect for IoT projects, battery management, power monitoring, and smart energy solutions, providing dependable performance for both hobbyists and professional engineers. Features: Wide Voltage Range Compatibility: Operates efficiently between 2.7V and 60V, making it suitable for both low and high-voltage applications. High-Side Current measuring: Enables unipolar high-side current measuring for safer and more accurate readings. Customizable Gain Control: Easily alter output sensitivity with a single resistor to meet your individual application requirements. Built-in Signal Amplifier: Provides clean and amplified output signals for accurate ADC conversion. Overcurrent detection protects connected components by detecting and responding to excessive current. Low Quiescent Current: Consumes only 60 µA, making it ideal for energy-sensitive projects. Microcontroller-Friendly: Fully compatible with Arduino, ESP32, STM32, Raspberry Pi, and other development boards. Compact Design: Small form factor excellent for embedded system integration and space constraints. Connection Diagram with Arduino:

7Semi BME688 Environmental Sensor Nano Breakout with 2.54mm Pitch Header The 7Semi BME688 Environmental Sensor Nano Breakout with 2.54mm Pitch Header is a versatile and high-precision environmental sensor designed for modern monitoring applications. Built around Bosch’s advanced BME688, it accurately tracks temperature, humidity, air pressure, and gas levels, helping you gain meaningful insights into environmental conditions. Its compact nano form factor and I2C interface make integration simple with Arduino, Raspberry Pi, and other development boards. Whether you’re building a smart home system, an industrial monitoring setup, or an environmental research project, this environmental monitoring sensor delivers dependable performance in a user-friendly design. Features: AI-Enhanced Gas Sensing: Identifies dangerous gasses with exceptional accuracy. Comprehensive Monitoring: A single sensor measures numerous essential environmental factors. Flexible Interface: I2C connectivity enables seamless interaction with microcontrollers. Compact design: The nano breakout board is ideal for projects with limited space. 3.3V Operating Voltage: Suitable for a wide range of development boards. Gas sensor sensitivity, selectivity, and data rate can all be adjusted to meet your individual application requirements.

Cytron PS2 Shield for Arduino The Cytron PS2 Shield is a compact and reliable PS2 controller interface designed for Arduino boards, making remote control projects smoother and far more intuitive. Whether you're working with an Arduino Uno, Mega, Leonardo, or other compatible boards, this shield lets you easily integrate a wired or wireless PS2 controller into your robotics, DIY RC projects, or gaming-inspired builds. With simple UART communication and a plug-and-play connector, reading joystick inputs and button states becomes effortless, even for beginners. Built with developers and hobbyists in mind, the Cytron PS2 Shield provides flexible UART selection options, stackable headers for adding more shields, and support for vibration motors on PS2 controllers. Because it draws power directly from the Arduino board, setup stays clutter-free. This PS2 Shield is perfect for anyone looking to add remote control, robotics maneuvering, or wireless navigation to their Arduino-based projects using a familiar PS2 controller format. Features: Provides an easy and reliable interface for connecting wired or wireless PS2 controllers to Arduino boards. Supports multiple Arduino models including UNO, Mega, Leonardo, and other pin-compatible variants. Simple UART-based communication allows effortless reading of joystick and button states. Integrated support for controlling the PS2 controller’s vibration motor for enhanced feedback. Stackable headers enable additional shields to be mounted above the PS2 Shield without conflict. Jumper-based selection for baud rates (9600, 57600, 115200) and configurable UART TX/RX pins. Fully powered from the Arduino main board with low current consumption. Includes status LED and reset control via Arduino A1 pin for convenient operation.

Cytron SHIELD-MD10 – 10A 7V–30V DC Motor Driver Shield for Arduino The Cytron SHIELD-MD10 is a high-performance 10A DC motor driver shield designed for Arduino and compatible development boards. Built specifically for brushed DC motors, it supports 7V–30V motor voltage and delivers up to 10A continuous current, making it ideal for robotics, automation, RC systems, DIY machines, and educational electronics. With solid-state MOSFETs and a fully NMOS H-Bridge design, the Cytron SHIELD-MD10 ensures efficient, fast, and reliable motor control without the need for a heatsink, helping creators achieve accurate speed and direction control with minimal wiring. Optimized for maximum compatibility, the shield stacks directly onto popular boards like Arduino UNO R3, Arduino Mega 2560, Maker UNO, Maker UNO Plus, Arduino Leonardo, CT-UNO, and CT-ARM. Featuring selectable digital pins for PWM and DIR, stackable headers, and regenerative braking, the Cytron SHIELD-MD10 offers unmatched flexibility for robotics and mechatronics projects. Whether you're building a DIY robot, conveyor system, or motorized prototype, this durable and high-current driver shield delivers smooth performance and long-lasting reliability. Features: Bi-directional control for one brushed DC motor with smooth speed and direction adjustment. Supports motor voltage from 7V–25V (Rev 1.0) and 7V–30V (Rev 2.0). Delivers 10A continuous and 15A peak current for high-torque applications. Uses fully solid-state components with NMOS H-Bridge for high efficiency. No heatsink required thanks to low-loss MOSFET design. Supports both 3.3V and 5V logic inputs, making it compatible with multiple controllers. Regenerative braking for safe and controlled stopping. Stackable pin headers allow adding more Arduino shields. Selectable digital pins for PWM and direction via jumpers. PWM frequency supported up to 10 kHz for fine speed control.

Cytron URC10 Sumo Robot Controller R1.1 Arduino-Compatible Motor Driver Board The Cytron URC10 Sumo Robot Controller R1.1 is a powerful all-in-one robotics control board designed specifically for competitive sumo robot building. It combines an Arduino-compatible ATmega328P microcontroller, a dual 10A motor driver, and dedicated interfaces for ultrasonic, digital, and analog sensors - making it one of the most efficient and beginner-friendly solutions for robot builders. With support for 8V–25V DC motors, 30A peak current, and high-frequency PWM control, this controller ensures strong pushing power and fast maneuverability for 3kg sumo robot competitions. Cytron engineered the URC10 to simplify robot development by integrating essential hardware like built-in test buttons, motor output LEDs, onboard 5V/3.3V regulators, and a Micro-USB interface for programming. Whether you're designing autonomous systems, competitive sumo robots, or experimenting with robotics, the Cytron URC10 offers reliable performance, stable motor control, and easy sensor expansion for both beginners and advanced makers. Features: Designed specifically for up to 3kg sumo robot applications. Built around the Arduino-compatible ATmega328P microcontroller with Optiboot Bootloader. Integrated dual 10A continuous motor driver (30A peak per channel) for high-power brushed DC motors. Supports 8V–25V motor voltage for a wide range of robot motors. Features current limiting at 30A per channel for safe operation under heavy loads. Includes motor test buttons for quick verification without uploading code. Motor output status LEDs for easier debugging and inspection. Compatible with sign-magnitude and locked-antiphase PWM, supporting up to 20kHz frequency. Onboard 5V, 1A regulator and 3.3V, 500mA regulator for powering sensors and modules. Dedicated pins for motors, ultrasonic sensors, digital I/O, and analog sensors. Includes USB Micro-B + CH340 USB-serial system for easy programming upload. Provides 1× I2C port for additional modules. Compact design with dimensions 75.57mm × 99.7mm. Note: Reverse polarity protection is not included.

SmartElex HTU21D-F Temperature and Humidity Sensor with Breakout Board The SmartElex HTU21D-F Temperature and Humidity Sensor with Breakout Board is a compact and reliable temperature and humidity sensor designed for accurate environmental monitoring. It helps users measure ambient temperature and humidity digitally with stable output, making it suitable for students, makers, educators, and engineers working on sensing and monitoring applications. This digital temperature and humidity sensor is ideal for those who want dependable readings without complex circuitry, especially in learning, testing, and early product development environments. This I2C digital humidity sensor is widely used in IoT systems, weather monitoring projects, automation setups, and data logging applications where consistent environmental data is required. It integrates easily with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick setup and smooth communication through the I2C interface. With its breakout board design and reliable performance, the SmartElex HTU21D-F sensor is well suited for prototyping, robotics projects, and educational labs looking for a practical alternative to traditional sensors like SHT15 breakout boards. Features: Digital temperature and humidity sensor with stable and accurate readings I2C interface for simple and reliable data communication Compact breakout board for quick prototyping and testing Easy to use with Arduino, Raspberry Pi, and ESP32 platforms Suitable for IoT, automation, and environmental monitoring projects Ideal replacement option for older sensors like SHT15 breakout boards

Cytron ESP8266 WiFi Shield for Arduino with WROOM-02 Module The Cytron ESP8266 WiFi Shield is a beginner-friendly, plug-and-play solution that makes adding WiFi connectivity to Arduino projects incredibly easy. Powered by the reliable ESP8266 WROOM-02 module, this shield eliminates the wiring complications and level-shifting issues commonly faced when using standalone ESP modules. With preloaded Cytron_ESP_AT Firmware V2.2.0, onboard 3.3V regulation, selectable UART pins, and support for AT-command control, it is the perfect choice for IoT applications, wireless sensor systems, home automation, and connected electronics. Designed with the Arduino R3 layout, this WiFi shield works seamlessly with Arduino UNO, Maker UNO, CT-UNO, CT-ARM, and various compatible boards. It also offers direct programming access to the ESP8266, breakout I/O pins, and optional microSD card support for data logging. Whether you're uploading custom firmware or using AT commands for WiFi communication, the Cytron ESP8266 WiFi Shield delivers stable wireless performance, strong signal output, and unmatched ease of integration, making it ideal for both beginners and advanced IoT developers. Features: Compatible with Arduino R3 layout boards including Maker UNO, CT-UNO, CT-ARM, Arduino UNO R3, and Arduino Leonardo. Preassembled with ESP8266 WROOM-02 module and flashed with Cytron_ESP_AT V2.2.0 firmware. Onboard 3.3V regulator capable of supplying up to 500mA for stable WiFi operation. Selectable UART/Serial communication via mini jumpers (USB, hardware serial, software serial options). Supports 802.11 b/g/n, Wi-Fi Direct (P2P), Soft-AP mode, and full TCP/IP protocol stack. Integrated TR switch, balun, power amplifier, LNA, PLLs, regulators, and 32-bit CPU. +19.5 dBm output power for strong wireless range. Breakout pins available for programming or full I/O access of WROOM-02. Includes optional microSD slot for data logging and local storage. Each shield is fully assembled and tested before shipping.

7Semi DC-DC Buck Converter 5V 3A Out - MP2338 (BO-10182) The 7Semi DC-DC Buck Converter 5V 3A Out – MP2338 (BO-10182) is a compact power module designed to step down higher DC voltages to a stable 5V output with up to 3A current. It provides reliable and efficient power for electronics that require a steady 5V supply, such as microcontrollers, sensors, and development boards. Built around the MP2338 step-down converter, this module offers high efficiency and stable performance while minimizing heat and power loss. It supports a wide input voltage range and includes built-in protection features for safe operation. Whether you’re working on embedded systems, IoT devices, or custom electronics projects, this buck converter makes power management simple and dependable. Features: Boosts power efficiency with a high-performance MP2338 buck converter Provides a stable 5V output at up to 3A for reliable powering Wide input voltage range, compatible with various DC sources Compact breakout module for easy PCB or project integration Built-in protection features for safe and stable operation Ideal for microcontrollers, sensors, IoT boards, and embedded systems

Cytron UNO Special Edition – Arduino-Compatible Board with Side Connectors The Cytron UNO Special Edition (CT-UNO-SE) is a fully Arduino-compatible development board designed for makers, students, and hobbyists who need reliable performance for DIY electronics and robotics projects. Built around the ATmega328P microcontroller, this board offers the familiar Arduino UNO experience while adding enhanced stability with the FTDI FT231X USB-to-Serial chip, ensuring smoother programming and communication. Whether you're prototyping sensors, robotics circuits, or automation systems, this board delivers a dependable and beginner-friendly platform for all your microcontroller learning needs. What makes the CT-UNO-SE stand out is its unique side connectors, allowing it to be stacked on top of or beneath Arduino shields, giving you maximum flexibility while building layered circuits or compact embedded systems. With full Arduino UNO R3 shield compatibility, 14 digital I/O pins, 6 analog inputs, and both 5V and 3.3V regulated outputs, this special edition board combines convenience, versatility, and long-term durability - all wrapped into a sleek white PCB that makes your projects look clean and professional. Features Built with the ATmega328P microcontroller paired with the Optiboot bootloader for faster program uploads. Equipped with the FTDI FT231X USB interface, offering stable and reliable serial communication. Supports a wide DC input range of 7–15V, suitable for most maker power setups. Includes a 1A 5V regulator and 500mA 3.3V regulator for powering sensors and modules. Offers 14 digital I/O pins (6 PWM) and 6 analog inputs for versatile interfacing. Fully R3 shield compatible with special side connectors for flexible stacking. Features 32KB Flash memory, 2KB SRAM, and 1KB EEPROM for program storage. Comes with easily visible TX, RX, power, and pin-13 LEDs placed on the board edge. Utilizes a durable USB Micro-B connector on a clean white PCB. Dimensions

7Semi MCP23017 I2C to 16 IO Expander Breakout Board The 7Semi MCP23017 I2C to 16 IO Expander Breakout Board is designed to expand the digital I/O capability of microcontrollers using the trusted MCP23017 I2C IO Expander IC. It provides exactly 16 configurable GPIO pins over a single I2C bus, reducing wiring complexity while maintaining stable performance. Each pin can be independently set as input or output, and the onboard interrupt feature allows the controller to respond instantly to pin state changes. This MCP23017 Breakout Board is compact, easy to integrate, and ideal for applications such as home automation, robotics, industrial control panels, and any project that requires multiple digital inputs and outputs without consuming extra microcontroller pins. Features: 16 I/O Pins: Converts two signal pins into sixteen completely customizable I/O pins. Multi-board Expansion: For larger applications, stack up to 8 boards to provide up to 128 I/O pins. Configure I2C addresses by setting the A0, A1, and A2 jumpers. Dual Connectivity: Includes PH2.0 terminal and solder pad choices for simple connection. Wide Compatibility: Compatible with both 3.3V and 5V systems, ensuring platform versatility. Interrupt Support: The INTA and INTB interrupt pins are used for real-time signal handling. Development Resources: Includes detailed instructions and sample projects for Raspberry Pi, Arduino, STM32, and micro. Easy Integration: The I2C interface, combined with a 4Pin 2.0 mm JST connector, provides for an easy and flexible connection to any MCU.

Cytron Maker UNO Plus – Arduino-Compatible Educational Board The Cytron Maker UNO Plus is a beginner-friendly, Arduino-compatible development board designed to simplify electronics and coding for students, educators, and STEM hobbyists. With onboard LEDs, a built-in piezo buzzer, a programmable pushbutton, and upgraded components, this board removes wiring complexity allowing learners to focus on coding, debugging, and hands-on exploration. Whether used for school projects, robotics, or microcontroller education, the Cytron Maker UNO Plus ensures a smooth and frustration-free learning experience. Thanks to its pre-labeled pin headers, Micro USB connectivity, and fully Arduino-compatible architecture, setup becomes effortless for new users. Students can instantly code and visualize real-time pin activity through indicator LEDs, making debugging easier and more intuitive. The Cytron Maker UNO Plus is ideal for classroom teaching, STEM labs, maker workshops, and hobby projects, helping learners jump straight into creating fun electronics projects like light sequences, melodies, and interactive displays. Features: Fully compatible with Arduino ecosystem, sharing all libraries and example codes. Integrated 12× onboard LEDs for simplified debugging and visual learning. Built-in piezo buzzer and programmable pushbutton for interactive projects without extra wiring. Upgraded 3.3V line provides 500mA output to support more sensors and modules. Micro USB interface replaces bulky USB Type-B for universal connectivity. Uses FT231X USB-to-Serial converter for easier and more reliable driver installation. Includes pin-header label stickers for effortless classroom identification. CE, FCC & RoHS compliant - safe, environmentally friendly, and education-ready. Students can write their names directly on the board to avoid mix-ups.