SmartElex BS412 Digital PIR Motion Sensor Module

SmartElex PAM8403 5V Two-Channel Stereo Mini Class-D Audio Amplifier The SmartElex PAM8403 5V Two-Channel Stereo Mini Class-D Audio Amplifier is a compact audio amplification module designed to deliver clear and efficient stereo sound from low-power audio sources. It solves the need for adding audio output to small electronic projects without bulky components or complex circuits. This module is suitable for students, makers, engineers, educators, and startups who want an easy way to integrate stereo audio into DIY electronics, learning kits, and embedded system prototypes. This stereo mini Class-D audio amplifier is commonly used in robotics, IoT devices, automation systems, and portable electronics that require lightweight and power-efficient audio output. It can be easily interfaced with platforms such as Arduino, Raspberry Pi, and ESP32 to drive small speakers in projects like voice alerts, sound feedback systems, and interactive devices. The simple design and stable performance make it easy to integrate into both prototype builds and finished products, enabling reliable audio output with minimal setup effort. Features: Two-channel stereo Class-D audio amplifier for clear sound output Operates on a 5V power supply, ideal for embedded projects High efficiency design with low heat generation Compact size suitable for space-constrained applications Drives small speakers for stereo audio output Compatible with Arduino, Raspberry Pi, ESP32, and other audio-enabled projects

7Semi BMP585 I2C Pressure Sensor Breakout Module The 7Semi BMP585 I2C Pressure Sensor Breakout Module is a high-precision sensor designed to measure atmospheric pressure with exceptional accuracy, covering a range of 300–1250 hPa. This BMP585 Pressure Sensor combines low power consumption with compact design, making it perfect for mobile devices, battery-powered systems, and IoT projects. With both I2C and SPI interface support, it can be easily integrated into various electronics projects, enabling applications such as altimetry, weather monitoring, indoor navigation, and environmental sensing. Its reliable performance ensures accurate readings in real-time, making it an essential component for makers and engineers seeking precise pressure measurement. Features: Exceptional pressure sensing resolution at 1/64 Pa and accuracy of ±0.5 hPa provide highly precise data. Wide Pressure and Temperature Range: Measures pressure from 30 to 125 kPa and temperature from -40°C to 85°C, ensuring versatility in a variety of applications. Flexible Data Communication: Compatible with both I2C (up to 1MHz) and SPI (up to 12MHz) protocols, allowing enabling easy integration into a variety of systems. Programmable features include variable oversampling, a FIFO buffer (stores up to 32 samples), low-pass filtering, and 6 bytes of user-programmable non-volatile memory. Energy-Efficient Operation: Provides five operational modes with minimal power usage (1.5µA in Deep Standby and 260µA peak during measurements). Compact Design: A small breakout board with pin spacing of 0.1" allows for simple soldering and connecting.

DFRobot Gravity 7/24 Industrial Analog pH Sensor Meter Kit for Arduino The DFRobot Gravity 7/24 Industrial Analog pH Sensor Meter Kit for Arduino is a high-precision Analog pH Sensor designed for professional and industrial applications requiring continuous pH monitoring. This Arduino pH Sensor uses an industrial-grade glass membrane electrode with low impedance, delivering fast response, excellent thermal stability, and stable performance over long periods. It supports a full measurement range of 0 pH to 14 pH with linear voltage output, ensuring accurate and reliable readings. The sensor integrates easily through a BNC connector and PH2.0 interface, allowing direct connection to any Arduino analog input. Its reference system, based on Ag/AgCl gel electrolyte with a PTFE membrane, provides strong anti-pollution characteristics and prevents clogging, making it an ideal industrial pH sensor for Arduino for water treatment systems, environmental monitoring, and laboratory analysis. Attention: The probe's bottle top contains protective fluids (3.3mol/L KCL). Even if the bottle cap is tightly fastened, some protective liquid may leak around it, resulting in white crystals. However, as long as the bottle top contains protective liquid, the probe's life and accuracy will be unaffected. Please use it with confidence. It is recommended that the white crystals be returned to the bottle cap's protective liquid. Features Industrial-grade Analog pH Sensor for accurate measurement Compatible with Arduino and other microcontrollers Measures pH range from 0 to 14 Fast response with high stability BNC connector for secure sensor connection Plug-and-play PH2.0 analog interface Built-in power indicator LED Suitable for long-term online monitoring Low maintenance and long sensor life Ideal for water quality and lab applications Applications Water Quality Surveillance Aquaculture

SmartElex 10A 5V 1-Channel Relay Module The SmartElex 10A 5V 1-Channel Relay Module is a compact and dependable low level trigger relay module designed to control high-power devices using low-voltage microcontrollers. Operating at 5V DC, this single channel relay module features an SPDT relay rated for 10A at 250VAC, making it suitable for switching lights, motors, pumps, and other appliances. Its isolated input circuitry helps protect sensitive control boards from voltage spikes, while the onboard pull-down circuit prevents false triggering during startup. With a clear power indicator and secure mounting design, this 5V Relay Module delivers safe, stable, and long-lasting performance for home automation, industrial control, and DIY electronics projects. Features: A single-channel relay module with SPDT setup Supports up to 10A at 250 VAC for high-current applications. High-level trigger for dependable control. Compatible with a wide range of microcontrollers, including Arduino, AVR, PIC, and ARM. Isolated inputs to protect sensitive control circuitry. Contains a pull-down circuit to avoid inadvertent activation. Power supply indicator for rapid status checks. complies with international safety standards Convenient installation with four mounting holes.

SmartElex 12V 20A Single Channel Power Relay Module The SmartElex 12V 20A Single Channel Power Relay Module is a high-current switching solution designed to control heavy electrical loads using low-voltage control signals. It helps safely operate high-power devices without directly exposing microcontrollers or control circuits to high current, reducing risk and improving system reliability. This module is suitable for students, makers, engineers, educators, and startups who are working on power control, automation, or embedded electronics projects that demand robust switching capability. This single channel power relay module is ideal for robotics, IoT systems, home and industrial automation, and power management applications where devices such as motors, heaters, pumps, or high-load appliances need reliable control. It can be easily interfaced with popular platforms like Arduino, Raspberry Pi, and ESP32, making it convenient for both prototyping and deployment. The strong build quality and straightforward integration make it a dependable choice for projects requiring consistent and safe high-current switching. Features: Single channel power relay module for high-current load control Operates on 12V, suitable for industrial and automation systems Supports heavy load switching up to 20A Electrical isolation between control and power circuits for safety Compatible with Arduino, Raspberry Pi, ESP32, and similar controllers Robust design for reliable operation in power control applications

7Semi ESP32-C6 Mini Wifi Development Board Qwiic (DC-10116) The 7Semi ESP32-C6 Mini Wifi Development Board Qwiic is a compact and powerful wireless development board built around the modern ESP32-C6 chipset. It brings together fast Wi-Fi connectivity and flexible input/output options in a small Qwiic-compatible form factor, making it easy to use in projects that need smart communication and control. This board supports Wi-Fi 6 and Bluetooth/BLE connectivity, along with plenty of programmable pins for sensors, modules, and other components. With its Qwiic connector, you can plug in compatible accessories without soldering, simplifying prototyping and expanding your project quickly. Whether you’re building IoT devices, smart sensors, or remote controls, this ESP32-C6 board delivers reliable performance and effortless integration. Features: Powered by the ESP32-C6 chipset for modern wireless applications Supports Wi-Fi 6 for faster and more reliable connectivity Built-in Bluetooth / BLE support for short-range communication Qwiic connector for quick, solder-free sensor and module connections Compact form factor ideal for IoT and embedded projects Multiple GPIO pins for connecting sensors, actuators, and displays Compatible with popular development environments and libraries Suitable for smart devices, automation, and prototyping Pinouts

Holybro PM07 Power Module (14S) The Holybro PM07 Power Module (14S) is a robust and reliable power module designed to deliver clean, regulated power to your drone’s flight controller and onboard electronics, supporting up to 14-cell LiPo battery configurations. Engineered for high-current UAV applications, this module provides accurate real-time voltage and current monitoring, helping ensure safe operation while protecting sensitive components from electrical faults. Its efficient power delivery and dependable performance make it an essential component for advanced drone builds and professional UAV platforms. Built to simplify wiring and enhance system reliability, the Holybro PM07 Power Module integrates seamlessly with popular flight controllers, reducing clutter and improving overall power management. Whether you’re developing high-performance multirotor drones, autonomous platforms, or research UAVs, this power module offers consistent energy supply, precise monitoring, and improved safety for extended flight operations, giving you confidence in both performance and durability. Please Note: The XT60 Plug and 12AWG wire that are pre-soldered on the board is rating for 30A continuous current and 60A burst current (< 60 Seconds). If a higher current is being used, the plug type and wire size should be changed accordingly. You can refer to this chart for reference. This PM02 Power Module uses analog data output and is not compatible to the Pixhawk 5X & 6X (Requires a digital PM like PM02D). Features: High-capacity power module designed to support up to 14S LiPo batteries for advanced UAV applications. Delivers clean and stable power to flight controllers and onboard electronics. Provides accurate real-time voltage and current sensing for improved flight safety. Built for high-current handling in professional and heavy-lift drone platforms. Reduces wiring complexity with an integrated power and monitoring solution. Ideal for multirotor drones, autonomous UAVs, and research-grade aerial systems.

SmartElex RedBot - Line Follower Sensor The SmartElex RedBot Line Follower Sensor is an easy-to-use infrared line tracking sensor designed to detect contrasting lines on the floor for robot navigation. It helps users build robots that can follow black or white track lines by sensing reflected infrared light, making it ideal for students, hobbyists, educators, and beginners in robotics. This line follower sensor removes the complexity of designing a tracking circuit from scratch, making it a practical choice for classroom learning, STEM competitions, and project-based exploration. This IR sensor line follower is commonly used in DIY robots, autonomous navigation systems, automation prototypes, and line-following competitions where reliable tracking is essential. It works smoothly with Arduino, Raspberry Pi, ESP32, and other microcontroller platforms, allowing easy integration and quick setup in existing projects. With stable performance and intuitive operation, the SmartElex RedBot Line Follower Sensor is well suited for prototyping, educational labs, and robotics builds requiring precise line tracking and direction control. Features: Infrared-based line detection for accurate track following Detects black or white line contrast for smooth navigation Simple design for beginner-friendly robotics and STEM projects Compatible with Arduino, Raspberry Pi, ESP32, and other controllers Compact module for easy mounting on small robot chassis Ideal for DIY robots, automation prototypes, and line-following competitions

Witty Fox Hot Melt Glue Gun 60w with EU Plug Witty Fox Hot Melt Glue Gun 60W with EU Plug is a powerful and versatile adhesive tool designed to handle a variety of bonding tasks with ease. With 60 watts of power, it heats up quickly and melts glue sticks efficiently, providing a strong and steady flow of hot glue. This makes it perfect for heavier DIY projects, crafting, home repairs, and even light woodworking tasks. This glue gun features a standard EU plug, so you can easily connect it directly to household power outlets without needing extra adapters. Its ergonomic design offers a comfortable grip and good control, making it easy to apply glue precisely where you need it. Whether you’re fixing broken items, creating decorative pieces, or working on larger craft projects, the Witty Fox 60W Hot Melt Glue Gun delivers reliable performance and strong adhesive results in a ready-to-use package. Features: 60W high-power heating for fast melt and strong glue flow Standard EU plug for direct connection to mains power Quick heat-up suitable for continuous and heavy-duty use Compatible with standard hot melt glue sticks Comfortable ergonomic handle for better control and precision Ideal for DIY crafts, home repairs, woodworking, and workshop tasks

RadioLink SE100 M10 GPS Module with High Positional Accuracy for Drones & UAVs The SE100 M10 GPS Module with High Positional Accuracy is a precision navigation sensor designed to provide reliable and accurate positioning data for drones, UAVs, robotics, and other GPS-enabled applications. Featuring advanced satellite signal processing and a compact form factor, this module ensures strong signal reception, fast satellite lock times, and stable performance even in challenging environments. Ideal for both hobbyists and professional developers, the SE100 M10 offers seamless integration with flight controllers and navigation systems, helping improve flight stability, waypoint tracking, and autonomous operation. Whether you’re building a custom drone, upgrading navigation accuracy, or enhancing your robotics project, this GPS module delivers dependable performance for enhanced control and situational awareness. Features: High positional accuracy GPS module for drones, UAVs, and robotics applications Powered by advanced M10 GNSS technology for improved satellite tracking Fast satellite acquisition with stable and reliable signal reception Compact and lightweight design for easy integration with flight controllers Supports precise navigation, waypoint tracking, and autonomous flight modes Suitable for hobby, research, and professional UAV projects

SmartElex DS3232 RTC (Real Time Clock) Breakout Module The SmartElex DS3232 RTC Breakout Module is a reliable DS3232 RTC module designed for accurate and long-term timekeeping in electronics and IoT projects. With an integrated crystal oscillator and temperature-compensated circuitry, it maintains precise date and time even under changing environmental conditions. This real-time clock module supports I²C communication, making it simple to interface with popular microcontrollers for applications such as data logging, digital clocks, alarms, and automation systems. A coin cell battery backup keeps the clock running during power loss, while its low power consumption and stable performance make it ideal for projects that demand exact timing and consistent operation over years. Features: Integrated crystal for accurate timekeeping. Temperature correction to reduce drift. Compact design that works well with breadboards. Works with I²C interface for microcontroller integration. Includes a coin cell battery backup for uninterrupted operation. Fully constructed and tested module ready for speedy deployment. Compatible with Arduino, Raspberry Pi, and other platforms. Low power usage results in longer battery life.

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

7Semi SHT40 SGP40 VOC Environmental Monitoring Sensor Module Qwiic-Ready The 7Semi SHT40 + SGP40 VOC Environmental Monitoring Sensor Module is designed to help you measure temperature, humidity, and air quality with high accuracy and minimal effort. Built with advanced SHT40 and SGP40 sensing technology, this compact module delivers precise data for temperature (–40°C to 125°C), humidity (0–100% RH), and VOC levels with excellent response time and reliability. Whether you're prototyping with Arduino, Raspberry Pi, or any I2C-based microcontroller, the Qwiic-compatible interface makes integration incredibly simple and clean. This breakout board is ideal for home automation, indoor air-quality projects, workplace monitoring, or industrial systems where accurate VOC readings matter. Its low power consumption and digital 16-bit output make it highly suitable for long-term IoT deployments, high-precision environmental sensing projects, and portable air-quality monitors. Features: Designed as a compact breakout board integrating the SHT40 high-precision temperature and humidity sensor and the SGP40 VOC sensor for reliable environmental monitoring. Offers fast and accurate measurements, including ±0.2°C temperature accuracy and ±1.8% RH humidity accuracy, ensuring dependable readings in various environments. Qwiic-compatible interface enables effortless plug-and-play connectivity with I2C-enabled microcontrollers and SBCs without soldering. Produces 16-bit digital raw and processed VOC Index signals for easy integration into data-logging, automation, or IoT systems. Ensures low power consumption, making it suitable for battery-powered and continuous-monitoring applications. Built to detect a wide range of volatile organic compounds such as ethanol, acetone, and formaldehyde with high sensitivity and quick response times. Board Dimensions: Arduino I2C Connection Diagram:

SmartElex AM312 PIR Motion Sensor The SmartElex AM312 PIR Motion Sensor is a compact passive infrared sensor designed to detect human motion by sensing changes in infrared radiation. It helps automate systems by triggering actions only when movement is detected, making projects more energy efficient and responsive. This sensor is well suited for students, makers, engineers, educators, and startups who are working on electronics projects that require reliable motion detection in a small, low-power form factor. This PIR motion sensor is ideal for robotics, IoT devices, security systems, and automation projects, especially where battery-powered operation is important. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick integration into prototypes and functional systems. Common applications include motion-activated lighting, smart alarms, occupancy detection, and low-power IoT monitoring solutions, where stable performance and simple integration are essential. Features: Compact PIR sensor for reliable human motion detection Detects movement using changes in infrared radiation Ultra-low power consumption suitable for battery-powered projects Digital output for easy interfacing with microcontrollers Fast response time for real-time motion detection Compatible with Arduino, Raspberry Pi, ESP32, and similar boards

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: