7Semi MCP23017 I2C to 16 IO Expander Breakout Board

SmartElex 5-inch TFT LCD Capacitive Touch Display 800×480 SmartElex 5-inch TFT LCD Capacitive Touch Display (800×480) is a compact graphical interface solution designed for students, hobbyists, engineers, and product developers who need a responsive touchscreen for their projects. It provides a clear and smooth display experience, making it ideal for building user interfaces in prototypes, educational projects, and small production devices. With its capacitive touch panel, users can interact effortlessly through precise touch inputs, making it suitable for applications that need intuitive control and quick navigation without external buttons or controls. This display is well-suited for robotics dashboards, IoT control panels, industrial monitoring, and home automation systems that require real-time interaction. It can be integrated with popular microcontrollers and development platforms like Arduino, Raspberry Pi, and ESP32 through appropriate interface modules, allowing makers and startups to develop projects with minimal setup time. The robust build and consistent touch response help ensure reliable performance in long-term installations, while the versatile visual output supports both experimentation and final project deployment in labs, workshops, and field environments. Features: Bright and clear 5-inch TFT LCD screen with high-resolution visuals for sharp graphics and text Responsive capacitive touch interface for smooth and accurate touch control Wide viewing angles and good color reproduction for easy visibility from different directions Compatible with development platforms like Arduino, Raspberry Pi, and ESP32 with suitable interface support Suitable for interactive user interfaces in robotics, IoT devices, automation systems, and custom control panels Durable design for regular use in prototyping and finished electronic projects

SmartElex Industrial Grade 15D DC Motor Driver The SmartElex Industrial Grade 15D DC Motor Driver is a powerful and reliable smart motor driver built for precise speed and direction control of DC motors in industrial and automation applications. This 15D Motor Speed Controller Board supports 15 amps continuous current and handles peak loads up to 30 amps for 10 seconds, making it suitable for high-torque motor operations. Operating at a 16 kHz switching frequency, the DC Motor Driver ensures quiet and smooth performance. Integrated with an intelligent microcontroller, it offers essential safety features like current limiting and thermal protection. The smart temperature control system automatically reduces motor speed by 50% at 80°C, restores normal operation below 70°C, and completely shuts down at 100°C, protecting both the motor and driver for long-lasting, stable performance. Features: Support motor voltages ranging from 7V to 28V. independent direction and speed control Onboard Low-internal resistance MOSFETs are switched at a frequency of 16 KHz. Overcurrent and thermal protection.

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

SmartElex Micro ISM330DHCX 6DoF IMU Sensor The SmartElex Micro ISM330DHCX 6DoF IMU Sensor is a compact motion-sensing module that combines an accelerometer and gyroscope to measure movement, orientation, and rotation. It helps users track motion data accurately in three-dimensional space, making it useful for students, hobbyists, engineers, and educators working on robotics, automation, and motion-based electronics. This IMU breakout board simplifies motion tracking in projects where stability, responsiveness, and precision are important, without requiring complex circuit design or calibration setups. This 6DoF IMU sensor is commonly used in self-balancing robots, gesture-controlled systems, IoT wearables, drones, and embedded automation projects that rely on movement or orientation feedback. It integrates smoothly with popular development platforms like Arduino, Raspberry Pi, and ESP32, making setup and data processing beginner-friendly and efficient. With dependable performance and straightforward compatibility, the SmartElex Micro ISM330DHCX is a practical choice for prototyping, academic learning, and product development where reliable motion tracking and sensor fusion are essential. Features: 6DoF IMU with built-in accelerometer and gyroscope for motion tracking Measures linear acceleration and rotational movement in real time Compact breakout board designed for easy integration in projects Compatible with Arduino, Raspberry Pi, ESP32, and similar platforms Ideal for robotics, drones, wearables, and gesture-based control systems Reliable module for prototyping, STEM learning, and embedded development

7Semi PCA9306 I2C Bidirectional Voltage Level Translator Breakout Board The 7Semi PCA9306 I2C Bidirectional Voltage Level Translator Breakout Board is a compact and efficient PCA9306 voltage level translator designed to safely interface I2C and SMBus devices operating at different logic levels. Supporting voltage translation from 1.2V to 5.0V, this board enables seamless communication between low-voltage sensors and higher-voltage microcontrollers without manual direction control. As a dependable I2C logic level converter, it delivers minimal signal delay and stable bidirectional data flow, making it ideal for robotics, industrial controllers, embedded systems, and DIY electronics projects requiring precise mixed-voltage I2C communication. Allowable Voltage Level Translation The breakout can transfer voltages ranging from 3.3V to 5V. VREF1 (Low Side) VREF2 (High Side) 1.2V 1.8V, 2.5V, 3.3V, 5V 1.8V 2.5V, 3.3V, 5V 2.5V 3.3V, 5V 3.3V 5V Features: Wide Voltage Range Support: Operates between 1.2V and 5.0V, accommodating a wide range of components. Dual Bidirectional Channels: Translates both the SDA and SCL lines for complete I2C compatibility. I2C and SMBus Protocol Support: Fully compatible with regular and fast-mode I2C devices, as well as SMBus peripherals. No Direction Pins Required: Signal direction is automatically detected for easier design. Low propagation delay: A delay of less than 1.5ns maintains data integrity at high speeds. 5V Tolerant I/O Ports: Securely links 5V signals to lower voltage devices. Compact and simple to use: ideal for embedded applications, prototyping, and compact systems.

7Semi SGP41 VOC Sensor Breakout Board for Indoor Air Quality Monitoring The 7Semi SGP41 VOC Sensor Breakout Board is a compact and reliable solution for monitoring indoor air quality with high precision. Built around Sensirion’s advanced SGP41 sensing technology, this VOC Sensor accurately detects volatile organic compounds, helping assess air freshness and pollution levels in real time. Operating at an exact 3.3V and communicating via an I2C interface, it integrates smoothly with popular microcontrollers and development boards. The onboard Qwiic connector simplifies wiring, making this air quality VOC sensor ideal for applications such as air purifiers, HVAC systems, smart buildings, and long-term environmental monitoring where accuracy and stability matter. Leverage the power of the SGP41 to create innovative air quality solutions. Whether you're developing air purifiers, ventilation systems, or environmental monitoring devices, this sensor breakout is your essential component. Features: Sensirion SGP40 Sensor: Provides accurate VOC and NOx detection for better air quality assessments. The Digital I2C Interface simplifies communication and integration with your system. Robust Construction: Designed to endure real-world situations while maintaining long-term stability. Compact design is ideal for applications that require limited space. Easy integration: Solderable headers allow for a simple connection.

SmartElex RJ45 magjack Connector Breakout Board The SmartElex RJ45 MagJack Connector Breakout Board is a convenient module designed to make Ethernet connectivity accessible for custom electronics projects. It breaks out an RJ45 Ethernet jack with integrated magnetics, allowing users to interface network signals with development boards, prototypes, and embedded circuits without needing to design their own connector layout. This board is ideal for students, makers, engineers, educators, and startups who want to experiment with wired networking, communication protocols, or LAN-based control in robotics and IoT applications. This RJ45 MagJack breakout board is commonly used in IoT networks, automation systems, communication modules, and hardware prototypes that require Ethernet access for data transfer or device control. It can be used with platforms like Arduino, Raspberry Pi, ESP32, and other microcontroller boards that support Ethernet interfacing through additional hardware or modules. With reliable connectivity and a beginner-friendly breakout design, the SmartElex RJ45 MagJack Connector Breakout Board is a practical choice for testing, learning, and developing Ethernet-enabled electronic devices and embedded systems. Features: Breaks out an RJ45 MagJack Ethernet connector to easy-to-use pins Simplifies Ethernet interfacing for prototyping and custom circuits Integrated magnetics for stable network signal handling Compatible with Arduino, Raspberry Pi, ESP32 (with Ethernet support) Ideal for IoT, automation, LAN communication, and embedded systems Great for testing, learning, and building Ethernet-enabled devices

SmartElex TPS61040 12V Boost Converter Module SmartElex TPS61040 12V Boost Converter Module is designed to step up lower DC voltages to a stable 12V output, making it an ideal solution when your circuit requires a higher operating voltage than the available power source. This 12V boost converter is especially useful for students, hobbyists, engineers, educators, and startups working with battery-powered electronics or low-voltage microcontroller projects. It solves the challenge of powering 12V devices from compact power supplies like 3V or 5V inputs, without needing bulky transformer-based solutions. As a 3V to 12V boost converter, it integrates easily with platforms like Arduino, Raspberry Pi, ESP32, and other development boards, making it highly suitable for robotics, IoT nodes, portable gadgets, automation circuits, and prototyping environments. Its compact design and reliable output make it a practical choice for powering sensors, actuators, communication modules, and small peripherals that need a 12V line. This module helps builders maintain efficiency and portability in their designs while ensuring stable performance across a range of real-world applications. Features: Steps up lower DC input to a stable 12V output Based on the TPS61040 high-efficiency boost converter IC Enables 12V operation from 3V, 5V, or other low-voltage sources Ideal for battery-powered and portable electronics Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Suitable for sensors, small modules, IoT devices, and automation projects

SmartElex NS412 Digital PIR Motion Sensor Module The SmartElex NS412 PIR Motion Sensor is a compact NS412 PIR Motion Sensor module designed for accurate human body detection in electronic and automation projects. It helps users detect movement by sensing changes in infrared radiation, making it useful for security, energy saving, and smart control applications. This human body detection module is suitable for students, makers, educators, engineers, and startups who want a simple and reliable way to add motion sensing to their projects. The sensor works smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing easy integration into robotics, IoT devices, and automation systems. Its stable digital output makes it ideal for applications like smart lighting, intrusion detection, occupancy sensing, and DIY prototypes. With easy interfacing and dependable performance, this module enables developers to quickly build motion-based solutions for real-world use. Features: Accurate motion detection using infrared sensing technology Designed for reliable human body detection applications Digital output for easy connection with microcontrollers Compatible with Arduino, Raspberry Pi, and ESP32 boards Low power operation suitable for continuous monitoring Ideal for security systems, smart lighting, and automation projects

7Semi SHT41 Temperature & Humidity Sensor Tiny Breakout with I2C Qwiic The 7Semi SHT41 Temperature & Humidity Sensor Tiny Breakout is crafted for engineers, IoT developers, and embedded system designers who need precise environmental monitoring in extremely compact spaces. Powered by the fourth-generation SHT41 sensor, it delivers exceptional accuracy with ±1.8% RH and ±0.2°C precision, making it ideal for sensitive applications like HVAC regulation, smart home devices, and industrial IoT nodes. Its stable readings and fast response time ensure reliable environmental sensing even in dynamic conditions. Designed for low-power performance, this breakout operates on a 3.3V supply and consumes less than 0.15 mA in low-power mode, making it a perfect match for wireless systems and battery-powered deployments. With built-in I2C support, multiple address options, and a compact 1.27 mm pitch connector, integration is quick and hassle-free. Whether you're building connected sensors, indoor air-quality systems, or compact IoT hardware, this module provides dependable data for real-time decision-making and energy-efficient operations. Features: Designed with the advanced SHT41 sensor, offering high-precision measurements with ±1.8% RH humidity accuracy and ±0.2°C temperature accuracy. Operates with ultra-low power consumption, drawing less than 0.15mA in low-power mode to extend battery life in portable systems. Supports I2C communication with multiple configurable addresses for flexible integration in multi-sensor setups. Compact and lightweight form factor with a 1.27 mm pitch 4-pin connector, making it suitable for tight-space and embedded applications. Built for industrial-grade reliability, ensuring consistent performance across typical indoor and light industrial environments. Simple plug-and-play workflow enables quick installation for IoT platforms, smart buildings, automation systems, and environmental monitoring.

SmartElex 12V 3A 2 Channel Signal Relay Module The SmartElex 12V 3A 2 Channel Signal Relay Module is a compact and dependable solution for controlling multiple electrical loads using low-power control signals. It allows users to switch devices safely without directly handling higher voltages or currents, helping protect sensitive control circuits. This relay module is suitable for students, makers, engineers, educators, and startups working on embedded systems, control projects, and automation setups that require reliable dual-channel switching. This 2-channel relay module is ideal for robotics, IoT applications, home and industrial automation, and general prototyping where two devices need to be controlled independently. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, making it simple to control lights, motors, pumps, alarms, or other external equipment. The straightforward design and stable performance make it easy to integrate into both experimental projects and finished products, supporting consistent and safe operation. Features: Dual-channel relay module for controlling two devices independently Operates on 12V, suitable for automation and control systems Supports up to 3A load current per channel Provides electrical isolation between control and load circuits Compatible with Arduino, Raspberry Pi, ESP32, and other controllers Compact design with LED indicators for easy status monitoring

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.

7Semi SHT40 Temperature & Humidity Sensor Breakout I2C Qwiic SHT40 Breakout (ES-13514) The 7Semi SHT40 Temperature & Humidity Sensor Breakout (I2C Qwiic) is a compact and reliable sensor module designed to measure both temperature and humidity with high accuracy. It is based on the Sensirion SHT40 sensor, making it suitable for modern electronics projects that need precise environmental data. This breakout board supports I2C communication and comes with a Qwiic connector, allowing quick and solder-free connections with microcontrollers like Arduino, ESP32, and Raspberry Pi. Its small size and low power consumption make it ideal for IoT devices, weather monitoring, indoor air quality projects, and learning applications where simplicity and accuracy matter. Features: High-accuracy temperature and humidity sensing using the SHT40 sensor Supports I²C communication for easy integration with microcontrollers Qwiic connector enables quick, solder-free plug-and-play connections Wide measurement range of 0–100% RH and –40°C to +125°C temperature Low-power and compact design, ideal for IoT and battery-powered projects Compatible with Arduino, Raspberry Pi, ESP32, and other development boards SHT40 Board Dimensions

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.

24v 0.15A Brushless DC Fan The 24v 0.15A Brushless DC Fan is a compact and reliable cooling solution designed for efficient airflow in electronics and industrial applications. This dc brushless fan 24v features a high-performance brushless motor that ensures low noise, reduced power consumption, and extended lifespan compared to traditional fans. Its centrifugal blower-style design directs air precisely where needed, making it perfect for 3D printers, control cabinets, power supplies, and embedded systems. With a 24V DC operating voltage and 0.15A current rating, it delivers consistent cooling performance while maintaining energy efficiency. Built with durable housing and easy mounting points, this fan is ideal for continuous operation environments. Features: Efficient cooling performance Stable 24V DC operation Low power consumption Quiet and smooth airflow Compact and space-saving design Durable brushless motor technology Easy installation and wiring Ideal for electronics and enclosure cooling