SmartElex MPL3115A2 Altitude Pressure Sensor Breakout Board

7Semi SGP40 VOC Air Quality Sensor Breakout with Qwiic I2C Interface The 7Semi SGP40 VOC Air Quality Sensor Breakout is designed for creators, engineers, and HVAC professionals who need accurate and dependable indoor air quality measurement. Built around Sensirion’s advanced SGP40 sensor, it detects a wide range of volatile organic compounds with high sensitivity, making it ideal for smart home automation, air purifiers, and environmental monitoring projects. Its compact 19 x 19 mm footprint and low power consumption make it an excellent fit for battery-powered devices and space-constrained applications. With its digital I2C interface and compatibility with both 3.3V and 5V systems, this breakout offers effortless integration with popular microcontroller platforms. The built-in VOC Index algorithm translates raw sensor data into an easy-to-understand metric, helping users track real-time changes in indoor air quality. Whether you're building a DIY sensor hub or upgrading an advanced HVAC system, this VOC sensor module provides reliable, fast, and consistent performance. Features: High-performance SGP40 sensor capable of detecting a broad spectrum of volatile organic compounds for precise indoor air quality monitoring. Fully digital 16-bit output with on-chip humidity compensation to ensure consistent and accurate readings in varying environments. Wide supply compatibility with 3.3V and 5V systems, making it suitable for Arduino, Raspberry Pi, ESP32, and similar controllers. Sensirion VOC Index algorithm interprets raw VOC events and provides actionable, human-readable VOC Index values. Ultra-compact 19 × 19 mm PCB with low heat emission for stable humidity and temperature readings. Low average power consumption down to 6 mW, enabling long-life battery-powered applications. Fast response time under 10 seconds, ensuring quick detection of changes in indoor pollutant levels. Board Dimensions: Arduino I2C Connection Diagram:

SmartElex RS-485 (SP3485) Transceiver Breakout Module The SmartElex RS-485 (SP3485) Transceiver Breakout Module is a compact and reliable solution for enabling RS485 module based communication in electronics and automation projects. Designed to simplify long-distance and noise-resistant data transfer, it helps overcome the limitations of standard serial communication in industrial and field environments. This module is ideal for students, hobbyists, engineers, educators, and startups working on projects that require stable, differential signal communication for robotics, industrial controls, or embedded systems. With support for rs485 transceiver based networking, this board makes it easy to add rs485 communication to microcontrollers and development boards like Arduino, Raspberry Pi, and ESP32. Its breakout form factor allows quick integration into prototypes, IoT setups, and automation systems where devices need to communicate over long cables and noisy electrical environments. Whether used for sensor networks, building management systems, or PLC interfacing, it offers dependable performance that helps users build scalable and robust communication links without unnecessary complexity. Features: Enables RS485 module communication for long-distance, noise-resistant data transfer Based on the SP3485 transceiver for stable rs485 transceiver performance Supports differential signal communication ideal for industrial and field environments Easy-to-use breakout format for quick prototyping and integration Works with popular controllers such as Arduino, Raspberry Pi, and ESP32 Helps implement multi-node networks over twisted pair cabling Compact design suitable for compact robotics, IoT, and automation projects Provides reliable rs485 communication without complex wiring or circuitry

HGLRC ELRS 2.4G Receiver The HGLRC ELRS 2.4G Receiver is a compact and efficient communication module designed for use in remote-controlled devices such as FPV drones. Operating on the reliable 2.4GHz frequency, it delivers fast and stable signal transmission with low latency, ensuring precise control during flight. Its small size and lightweight design make it easy to integrate into various drone builds without adding extra weight or complexity. This receiver supports advanced features like telemetry, allowing real-time data such as signal strength and system status to be sent back to the transmitter for improved monitoring and control. Built for performance and reliability, it is ideal for FPV enthusiasts who require consistent connectivity, enhanced responsiveness, and better overall flight experience in both racing and freestyle applications. Features: Operates on the reliable 2.4GHz frequency, ensuring stable and interference-resistant communication for RC models Supports ELRS (ExpressLRS) protocol, providing long-range connectivity and efficient signal performance Compact and lightweight design allows easy installation without adding extra weight to the drone or aircraft Delivers ultra-low latency, enabling fast and precise control for better responsiveness during flight Suitable for FPV drones and RC aircraft, making it a versatile choice for both racing and recreational use Offers consistent signal strength for smooth and uninterrupted operation Designed for high performance in demanding flying conditions Enhances overall control experience with improved reliability and efficiency

7Semi BNO086 IMU Mini Breakout Board for Robotics The 7Semi BNO086 IMU Mini Breakout Board for Robotics is a high-precision 9-axis inertial measurement unit designed to deliver accurate motion and orientation data in real time. Powered by the Bosch BNO086 sensor, it integrates a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer with an advanced built-in sensor fusion algorithm, eliminating the need for complex external processing. This breakout board provides exact orientation, acceleration, and rotational data through I2C and SPI interfaces, making it easy to integrate with microcontrollers used in robotics and embedded systems. Its compact size and reliable performance make it ideal for robot navigation, drone stabilization, AR/VR motion tracking, and IoT automation applications, where precise and stable motion sensing is critical. Features: High-Precision Motion Tracking: Ceva's MotionEngine enables seamless 9-Axis and 6-Axis sensor fusion, improving the user experience in AR, VR, robotics, and IoT apps. Dynamic Calibration: Automatically adjusts for bias in the accelerometer and gyroscope based on time and temperature, ensuring consistent performance under changing conditions. Configurable Activity Tracking: Includes classification modes for walking, running, standing, in-vehicle, and cycling activities. Intelligent Power Management: Activity classifiers and wake-on-motion features help to optimise power use. Host-Side Library Compatibility: Expands capabilities by including libraries that support VR, AR, and attitude monitoring, making it ideal for high-performance sensor applications. Flexible Connectivity Options: Includes a 4-pin JST connector for easy MCU connection and 0.1"-spaced pins for breadboard use. I2C Interface Compatibility: Allows for flexible and efficient connection, ensuring dependable data transport.

Pludo STEM Kit Gyro Transmitter – Learns Inertia, Balance & Motion for Kids 11–14 | Grade 6–8 DIY Science Kit Dive into the world of motion and balance with the Pludo STEM Kit Gyro Transmitter, a fascinating science kit designed to make physics fun and hands-on. This interactive activity lets children explore the principles of inertia, motion, and gyroscopic balance by building their own gyro transmitter model. As students assemble and test the model, they learn that inertia is the tendency of an object to keep doing what it is already doing unless acted upon by an external force. When the gyro spins at high speed, it becomes stable and resists changes in direction. This spinning motion allows the gyro to stay upright and steady even when the transmitter is moved, clearly demonstrating how inertia helps spinning objects maintain balance and direction—a principle used in vehicles, navigation systems, and engineering applications. Blending creativity and experimentation, this science experiment kit helps students visualize how inertia affects movement and stability in real-world applications like vehicles and engineering systems. As part of Pludo’s advanced STEM kits, it provides an engaging, age-appropriate experience that bridges classroom concepts with practical understanding, making science both exciting and meaningful for young innovators. What Your Child Will Learn Learn how inertia keeps rotating objects stable even when forces act on them. Understand the principles of gyroscopic motion and how rotation affects balance and direction. Strengthen logical thinking, creativity, and problem-solving skills while building and testing the model. Observe real-world physics concepts in action, connecting theory to practical examples. Gain confidence by completing a functional project inspired by aerospace, robotics, and transportation systems. Educational Outcomes Inertia & Motion: Discover how objects resist changes in movement — a key concept in physics and engineering. Gyroscopic Balance: Learn how rotating systems maintain stability, used in everything from bicycles to spacecraft. Advanced STEM Skills: Develop analytical thinking, experimental reasoning, and hands-on engineering understanding. Real-World Applications: Connect classroom learning to robotics, drones, navigation systems, and automotive technology. Scientific Exploration: Encourage curiosity and deeper scientific thinking through guided experimentation. 💡 Did You Know? Gyroscopes are used in airplanes, spacecraft, and even smartphones to help them stay balanced and oriented — the same principle your child experiments with in this kit! Features Hands-on DIY science experiment kit exploring inertia, motion, and gyroscopic balance through a gyro transmitter activity. Encourages creativity, logical thinking, and problem-solving as kids build and test rotational stability. Made from durable, safe, high-quality materials for a reliable and enjoyable learning experience. Designed for ages 11–14 (Grade 6–8) with an age-appropriate introduction to advanced physics concepts. Promotes real-world understanding of inertia used in vehicles, robotics, aerospace systems, and navigation tools. Perfect for classroom demonstrations, science fairs, or home experiments, making physics interactive and exciting. Includes all necessary materials and a step-by-step instruction manual for guided assembly and exploration. Makes an excellent educational gift for birthdays, holidays, or STEM enthusiasts — inspiring curiosity and advanced scientific thinking.

25 x 3mm Neodymium Disc Circular Magnet This 25mm x 3mm Neodymium Disc Magnet is a high-strength rare earth magnet designed for projects that require maximum magnetic force in a compact size. Made from premium NdFeB neodymium alloy, this disc magnet delivers exceptional holding power, making it ideal for DIY crafts, industrial applications, science experiments, home repairs, and various electronic uses. With a durable Ni-Cu-Ni triple coating, it offers corrosion resistance and long-lasting performance. Its compact disc shape makes it easy to use in projects such as motors, speakers, sensors, household repairs, custom holders, craft models, and magnetic displays. Whether you're creating functional mechanisms or designing mechanical setups, this magnet provides reliable magnetic force and stable attachment for multiple use cases. Features: High-quality NdFeB (Neodymium) rare earth material ensures strong magnetic performance. Compact 25mm × 3mm disc size ideal for both DIY and industrial projects. Triple-layer Ni-Cu-Ni coating prevents rust, corrosion, and surface damage. Magnetized through the diameter for stable and uniform magnetic force. Precision build with ±0.1 mm tolerance for accurate fitting in assemblies. Suitable for applications in electronics, tools, crafts, models, motors, and sensors. Safe operating temperature up to 80°C, ensuring reliability across environments

HGLRC SPECTER 1404 2750KV Brushless Motor The HGLRC SPECTER 1404 2750KV is a compact yet powerful brushless motor for drone applications, specifically engineered for micro drones and quadcopters. With an exact 2750KV rating, it delivers high rotational speed that translates into strong thrust and quick responsiveness, making it ideal for fast-paced and acrobatic flying. The 1404 motor size strikes the perfect balance between lightweight construction and performance, ensuring efficient power delivery without compromising agility. Whether you're building a freestyle quad or upgrading your micro drone, this motor offers excellent speed, control, and reliability for high-performance flight. Features: New rotor look design with an anodized two-color process. 7075 aircraft aluminum, high-strength one-piece rotor. Customized N52H curved magnetic steel with strong magnetism and high torque Super high temperature resistant 200° copper wire winding, the motor works more steadily. Imported Kawasaki silicon steel sheets, low loss stator, minimize heat generation and increase efficiency. New and refined tune, maintain high torque at low speeds, linear power production when the throttle changes quickly, and precise and fast response when turning. Alloy Steel Outlet Shaft, excellent strength, reduces fuselage weight. Suitable for the 2-inch Tiny drone or the 4-inch toothpick drone. ESC:> 15A Recommended propeller size: 2-4 inches Motor dimensions: Φ19.13mx12.25mm.

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 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

SmartElex Soil Moisture Sensor The SmartElex Soil Moisture Sensor is a simple and efficient sensor module designed to measure the moisture content in soil for gardening, farming, and automation projects. It helps users detect water levels in soil and determine when plants need watering, making it ideal for students, hobbyists, educators, and engineers building smart irrigation or environmental monitoring systems. This soil moisture sensor module offers an easy way to collect data without complex circuit design, providing reliable readings for learning and experimentation. This sensor is commonly used in IoT farming projects, home gardening automation, greenhouse monitoring, and prototype irrigation setups where data-driven watering is required. It works smoothly with Arduino, Raspberry Pi, ESP32, and similar development boards, making integration and testing quick and beginner-friendly. With consistent performance and a user-friendly interface, the SmartElex Soil Moisture Sensor is a practical choice for DIY electronics, academic projects, and early-stage product development focused on smart agriculture and plant care solutions. Features: Measures soil moisture level for plant and irrigation monitoring Simple analog output for easy data reading and interpretation Works smoothly with Arduino, Raspberry Pi, and ESP32 boards Ideal for smart irrigation, gardening, and IoT-based agriculture Beginner-friendly design for quick setup and testing Suitable for DIY projects, classrooms, and agricultural prototypes

Radiolink TS100 V2.0 Mini GPS Module The Radiolink TS100 V2.0 Mini GPS Module is a compact and high-precision positioning solution designed for RC drones, UAVs, and autonomous flight systems. Built for reliable performance, this mini GPS module provides accurate real-time location tracking, ensuring improved navigation and enhanced flight safety. Integrated with a built-in digital compass, the TS100 V2.0 Mini GPS delivers precise directional data, enabling stable flight control, return-to-home functionality, waypoint navigation, and autopilot operations. Its optimized antenna design ensures faster satellite acquisition and strong signal stability, even in environments with potential interference. Designed for seamless compatibility with Pixhawk flight controllers and Radiolink transmitters, this lightweight GPS module is easy to install on quadcopters, fixed-wing aircraft, and multi-rotor platforms. The Radiolink TS100 V2.0 Mini GPS Module is an excellent choice for drone enthusiasts and professionals seeking dependable navigation performance in a compact form factor. Radiolink MINI M8N GPS TS100 Configuration: Equipped with u-blox UBX-M8030 (M8) GPS decoder chip with 72-channel reception capability. Integrated Infineon MMIC BGA715L7 power amplifier for enhanced signal performance. Delivers better accuracy and stability compared to standard single GNSS 7N modules. Supports simultaneous dual GNSS operation for improved positioning reliability. Compatible with GPS/QZSS L1 C/A, GLONASS L1OF, and BeiDou B1 signals. Supports SBAS L1 C/A systems including WAAS, EGNOS, and MSAS. Built-in QMC5883L geomagnetic sensor based on similar technology to Honeywell HMC5983. Features 2.5 dBi high-gain ceramic antenna for strong signal reception. Includes Murata Surface Acoustic Wave Filter (SAWF) for improved signal filtering. Designed for stable performance with strong anti-interference capability. Features: Supermini Size – Compact and lightweight design ideal for small drone and UAV builds. Excellent Performance – Provides fast satellite lock with stable and accurate positioning. Worry-free Practice – Ensures reliable GPS tracking for safe and confident flight operations.

7Semi MAX31855 K-Type Thermocouple Amplifier Breakout The 7Semi MAX31855 Thermocouple Amplifier Breakout is designed for creators, engineers, and industrial users who need reliable and highly accurate temperature readings from extreme environments. With its advanced MAX31855 converter IC, this breakout allows effortless digital temperature measurement using K-type thermocouples, making it a powerful choice for applications like 3D printing, HVAC monitoring, and high-heat industrial systems. The onboard cold-junction compensation ensures precision by automatically correcting any thermal offsets at the connector. Supporting temperatures from -270°C to +1372°C, it delivers 14-bit resolution with smooth 0.25°C read steps, providing dependable, noise-free readings for sensitive processes. Built-in fault detection helps identify open circuits or shorts, making the system easier to troubleshoot and safer for continuous operation. With its SPI-based digital interface and compatibility with 3.3V/5V logic microcontrollers, the module integrates cleanly with Arduino, ESP32, Raspberry Pi, and industrial controllers. Features: Supports a wide thermocouple measurement range from –270°C to +1372°C, making it suitable for extreme heat and cryogenic applications. Provides 14-bit high-resolution output with precise 0.25°C increments for accurate temperature monitoring. Includes built-in cold-junction compensation, ensuring reliable compensation for ambient temperature fluctuations. Offers a simple SPI digital interface, requiring minimal I/O pins for easy integration with most microcontrollers. Compatible with multiple thermocouple types including K, J, N, T, S, R, and E, providing versatility in system design. Features fault detection for open thermocouples and shorts to VCC/GND to enhance system safety. Supports both 3.3V and 5V logic levels, ensuring broad compatibility across development 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.

Holybro Pixhawk 6C Flight Controller With PM02 Power Module and M9N GPS The Holybro Pixhawk 6C Flight Controller with PM02 Power Module and M9N GPS is an advanced pixhawk flight controller built to deliver reliable, precise control for a wide range of UAV platforms. Equipped with a high-performance processor and advanced sensors, this controller ensures stable flight dynamics, quick response times, and superior handling for multirotor, fixed-wing, and VTOL drones. Designed with both hobbyists and professional developers in mind, it supports popular open-source firmware and provides the flexibility needed for autonomous missions, research applications, and custom drone builds. This complete package includes a robust drone flight controller, the PM02 power module for clean and regulated energy supply with real-time current and voltage monitoring, and the high-precision GPS module with integrated compass for accurate positioning and navigation. Together, these components simplify setup, enhance flight reliability, and improve overall performance, making it an ideal choice for builders seeking a comprehensive flight system with dependable power management and precision location tracking. Features: High-performance pixhawk flight controller designed for fast processing and stable, accurate drone control. Includes PM02 power module for clean and regulated power delivery with real-time voltage and current monitoring. Comes with M9N GPS module and integrated compass for precise positioning and reliable navigation. Supports multirotor, fixed-wing, and VTOL drone platforms for versatile UAV applications. Compatible with popular open-source flight controller firmware for flexible customization. Simplified wiring and robust power management improve safety and overall system reliability.

HGLRC M100 MINI GPS The HGLRC M100 MINI GPS is a compact and high-performance positioning module designed to deliver fast and precise location tracking for FPV drones. Powered by the latest 10th-generation UBLOX chip, it ensures quick satellite acquisition and accurate positioning, enhancing overall flight reliability. Its ultra-compact 15×15mm size makes it ideal for a wide range of drone builds, especially 2–7 inch quadcopters where space and weight are critical factors. Equipped with a high-quality ceramic antenna and an externally optimized PCB design, the M100 MINI GPS offers improved signal reception, allowing it to lock onto satellites efficiently even in challenging environments. It supports multiple global navigation systems including GPS, Galileo, and BDS, ensuring faster and more reliable positioning across different regions. Additionally, the onboard LED indicators, including power and PPS (positioning) indicators, provide clear real-time status updates, making it easy for users to monitor the GPS performance during operation. Features: Powered by a 10th generation chip for fast and precise positioning performance Compact design, making it suitable for 2–7 inch drones available in the market Features a high-quality ceramic antenna with an optimized PCB layout for improved satellite signal reception Supports GPS, Galileo, and BDS for multi-mode positioning and quick location tracking in any environment Equipped with onboard POWER and PPS LED indicators for clear and easy status monitoring.