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.

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

Holybro Tekko32 F4 4 in 1 50A ESC The Holybro Tekko32 F4 4 in 1 50A ESC is a high-performance 50A ESC designed to deliver smooth and reliable power distribution for multirotor drones and other UAV platforms. Built with cutting-edge components and an efficient F4 processor, this ESC ensures responsive throttle control and precise motor management, enhancing flight stability and overall performance. Its compact 4-in-1 design consolidates four individual ESCs into a single unit, simplifying installation and reducing wiring complexity for cleaner builds. Engineered for both hobbyists and professional drone builders, this 4 in 1 50A ESC supports advanced features like BLHeli_32 firmware compatibility, high refresh rates, and robust current handling for demanding flight maneuvers. The rugged construction and optimized thermal performance make it ideal for racing drones, freestyle builds, and custom UAV projects that require dependable power delivery and efficient heat dissipation. Whether you’re pushing your craft to its limits or seeking smooth, consistent control, the Holybro Tekko32 F4 delivers the performance and reliability you need. Pin Map: Features: High-performance 50A ESC designed for smooth and efficient motor control in multirotor drones. 4 in 1 ESC design combines four controllers into a single unit, reducing wiring and saving space. Supports advanced ESC firmware for precise throttle response and improved flight performance. Handles high current loads reliably, making it suitable for demanding flight conditions. Optimized thermal design ensures stable operation and effective heat dissipation. Ideal for racing, freestyle, and professional UAV drone builds.

7Semi I2C BME680 Sensor Probe Powered by Bosch Sensortec BME680 Sensor The 7Semi BME680 Environmental Sensor Probe is a compact and rugged sensing module designed for high-accuracy air quality monitoring in demanding indoor and industrial environments. Built around the Bosch BME680 multisensor chip, it delivers precise temperature, humidity, barometric pressure, and VOC gas readings over a reliable I2C interface. With its fully calibrated output and fast response time, this probe is ideal for engineers and system designers building smart HVAC controls, home automation setups, or environmental monitoring equipment. Encased in a breathable, chemically resistant plastic shell, the BME680 probe ensures long-term stability even when exposed to dust, high humidity, or harsh atmospheric conditions. The integrated 1-meter cable with a Mini Round Shell connector makes installation easy across ducts, walls, chambers, and compact enclosures. Its low power consumption and wide operating range make it a dependable choice for air quality monitoring projects, IoT systems, and precision sensor applications. Features: Offers 4-in-1 environmental sensing, providing temperature, humidity, barometric pressure, and VOC gas measurements in a compact and efficient module. Utilizes the Bosch BME680 sensor for high accuracy and fast response across a wide range of environmental conditions. Enclosed in a breathable, durable plastic housing that protects the sensor from dust, chemicals, and environmental wear while ensuring excellent air permeability. Supports I2C digital communication for seamless integration with microcontrollers and embedded systems. Includes a 1-meter cable with a Mini Round Shell Plastic connector, enabling flexible installation in tight or industrial spaces. Operates on low voltage (1.71V to 3.6V), making it ideal for energy-efficient and battery-powered applications. Fully factory-calibrated sensor output eliminates the need for manual tuning or recalibration. Designed for reliable performance in pipes, ducts, walls, HVAC units, greenhouses, and high-humidity environments.

SmartElex FT232RL USB to TTL Converter – High-Speed USB to UART Module The SmartElex FT232RL Industrial USB to TTL Converter is a durable and high-performance communication module designed to bridge USB and TTL interfaces seamlessly. Powered by the reliable FTDI FT232RL chipset, it ensures stable and efficient data transmission, making it perfect for industrial use, embedded systems, and automation setups. Its robust design, built-in ESD protection, and resettable fuse make it a trusted tool for long-term and demanding environments. This USB to UART converter supports both 3.3V and 5V logic levels, giving you flexibility for various applications such as microcontroller programming, data logging, and debugging. With plug-and-play support across Windows, macOS, Linux, and Android, it’s user-friendly and versatile. The onboard LEDs for TXD, RXD, and power make monitoring communication easy, while the fool-proof 8-pin header ensures secure and reliable connections every time. Applications: Programming and debugging microcontrollers Serial communication with embedded systems USB to TTL conversion for various devices Data logging and monitoring Integration with industrial automation systems. Cautions: Ensure correct voltage selection using the onboard jumper to prevent damage. This module is designed for TTL level signals; do not connect directly to RS232 interfaces. Avoid exposure to moisture and static discharge. Features: Built with the original FTDI FT232RL chipset for reliable USB to UART communication. Supports 3.3V and 5V logic levels, selectable via jumper. Wide baud rate range from 300 bps to 3 Mbps. Features TXD, RXD, and Power LEDs for clear status indication. Equipped with ESD protection diodes and a resettable fuse for safety. Compatible with Windows, macOS, Linux, and Android systems. Compact and lightweight design, ideal for embedded and industrial setups.

Cytron Maker Reflect IR Reflectance Sensor for Beginner The Cytron Maker Reflect IR Reflectance Sensor is a compact and beginner-friendly module designed to help learners understand how infrared reflectance works in robotics and automation. Using an IR LED and a high-sensitivity phototransistor, it measures how much IR light bounces back from a surface and generates an analog voltage that’s easy for any microcontroller to read. This makes it perfect for exploring concepts like surface detection, black-and-white line following, and reflectivity measurement. Designed by Cytron with simplicity in mind, this sensor is ideal for kids, students, and makers stepping into DIY robotics projects. Its ultra-small size and centered mounting hole allow it to fit even in tight robot designs, while its 3.3V and 5V compatibility ensures smooth use with Arduino, Raspberry Pi, and all common controllers. Whether you're building a line follower, Sumo bot, maze robot, or encoder-based mechanism, the Maker Reflect delivers reliable IR performance with minimal setup. Features: Works as a hands-on IR reflectance sensor that uses an IR LED + phototransistor to measure surface reflectivity for reliable detection. Helps beginners learn analog sensing, line detection, object presence, and robot navigation, building strong STEM fundamentals. Built with safe, durable Cytron components, ensuring stable performance even in beginner-level DIY robotics projects. Fully compatible with 3.3V and 5V systems, making it easy to interface with Arduino, Raspberry Pi, microcontrollers, and robotics platforms. Offers a sensing distance of 1mm to 40mm at 5V (ideal for black/white surface detection and line following). Provides analog voltage output, allowing smooth interpretation of different surface colors and reflectivity. Compact size of 18.1mm × 8.4mm × 4.2mm, with a centered mounting hole for accurate positioning at the front of robots. Suitable for school projects, robotics clubs, and maker experiments - perfect for line followers, Sumo robots, maze solvers, and encoder wheels. Makes a great STEM learning gift for young robotics enthusiasts and beginners exploring IR sensors.

SmartElex PCA9546 4-Channel I2C Multiplexer Compatible with TCA9546A SmartElex PCA9546 4-Channel I2C Multiplexer is designed to simplify communication management when working with multiple I2C devices that share the same address. This compact module helps prevent signal conflicts by allowing users to connect and control up to four separate I2C buses from a single master device. It’s an ideal solution for students, makers, engineers, educators, and startups who are building projects where multiple sensors or modules need to coexist without addressing limitations or communication errors. Compatible with popular development platforms like Arduino, Raspberry Pi, and ESP32, this PCA9546 I2C multiplexer works as a practical I2C bus expander for robotics, IoT systems, automation projects, and prototype development. It offers a stable, plug-and-play approach to expanding I2C networks, making it easy to integrate sensors, displays, and controllers into both simple and advanced builds. Whether you are creating a multi-sensor environment, debugging complex circuits, or scaling an existing project, this module provides clear routing and dependable performance to streamline development. Features: Enables connection of up to four independent I2C device channels Prevents address conflicts by isolating I2C buses when needed Based on PCA9546 IC and compatible with TCA9546A devices Ideal for expanding I2C networks in multi-sensor projects Works with Arduino, Raspberry Pi, ESP32, and similar controllers Simple control through I2C commands for channel selection

7Semi DS18B20 2M Cable Waterproof Digital Temperature Probe The 7Semi DS18B20 2M Cable Waterproof Digital Temperature Probe is built for anyone who needs precise and stable temperature monitoring in challenging environments. With its stainless-steel sealed casing and durable 2-meter cable, this sensor delivers highly accurate readings, even when fully submerged or installed in remote locations. Whether you're monitoring aquaponics systems, greenhouse conditions, or industrial temperature processes, this digital probe ensures you get consistent and reliable data every single time. Designed with a simple 1-Wire digital interface, the DS18B20 works seamlessly with Arduino, Raspberry Pi, ESP boards, and other microcontrollers, making it ideal for hobbyists, engineers, and automation enthusiasts. Its long cable, waterproof build, and wide temperature range make it a versatile choice for environmental monitoring and precision-driven applications where stability and robustness matter the most. Features: Measures temperatures from –55°C to +125°C, making it suitable for industrial, environmental, and underwater applications. Provides ±0.5°C accuracy, ensuring stable and trustworthy readings. Fully waterproof stainless-steel enclosure protects against moisture, corrosion, and rugged terrain. Comes with a 2-meter high-strength cable to support remote, underwater, or difficult-to-access installations. Supports 9–12 bit resolution and easily integrates using its 3-wire connection and 1-Wire digital protocol.

7Semi MMC5983MA 3-axis Mini Magnetometer Sensor Breakout Module The 7Semi MMC5983MA 3-axis Mini Magnetometer Sensor Breakout Module is a high-precision magnetic sensor designed to measure magnetic fields along three axes with excellent accuracy and stability. It supports a magnetic field range of ±8 Gauss, delivering ultra-low noise and high-resolution output for reliable data. Communicating through a standard I2C interface, this magnetometer sensor ensures low power operation and fast response, making it ideal for navigation systems, orientation tracking, digital compasses, and magnetic anomaly detection. Its compact form factor allows seamless integration into space-constrained electronics, IoT devices, and embedded applications where precise magnetic sensing is essential. Features: Triple-Axis Magnetic Sensing provides great precision across three axes, with 0.4mG resolution and ±0.5° heading accuracy. High Dynamic Range and Resolution: ±8G FSR, 18-bit operation for precise measurements. Built-in Degaussing Circuitry: Effectively eliminates residual magnetization, ensuring consistent performance even when exposed to high external magnetic fields. Advanced Compensation Features: On-chip sensitivity and temperature compensation ensure consistent readings under changing situations. Fast I2C Communication: The I2C protocol has a fast mode of up to 400KHz, allowing for easy integration with other devices. The energy-efficient design consumes only 1µA during power down, making it excellent for power-sensitive applications. Compact form factor: A small PCB layout with a horizontal 4-pin 2mm pitch JST connection, ideal for space-constrained applications.

SmartElex Ebyte E103-W08A 2.4GHz Wi-Fi Re-Serial Module The SmartElex Ebyte E103-W08A is a high-performance industrial WiFi module operating on the 2.4 GHz band, developed for reliable re-serial wireless communication. It delivers a maximum transmit power of 10 dBm and integrates an ARM® Cortex®-M3 application processor along with an independent link controller, ensuring stable separation of application and connection layers. This Wi-Fi module supports 802.11b protocol with WPA and WPA2 encryption, making it suitable for secure industrial communication. Designed to meet real-world IoT demands, it supports TCP, HTTP, and MQTT protocols, along with automatic network reconnection and power-on data transmission. With multi-level power management and ultra-low current consumption of up to 120 µA while maintaining Wi-Fi connectivity, the E103-W08A offers an easy-to-use, reliable, and efficient solution for industrial automation, smart devices, and embedded wireless applications. Features: Support for the IEEE 802.11b standard Wi-Fi enabled state Support for WPA and WPA2 encryption. Supports standard TCP, HTTP client, MQTT, and other network connections. Support for AT instruction parameter setting. Wi-Fi scanning is supported. The AT instruction configuration parameters are supported.

Witty Fox Hot Melt Glue Gun 20w with EU plug The Witty Fox Hot Melt Glue Gun 20W with EU Plug is a compact and easy-to-use adhesive tool designed for fast gluing and bonding tasks. With 20 watts of power, it heats up quickly to melt glue sticks and deliver a steady flow of adhesive, making your craft and repair jobs smooth and efficient. This makes it perfect for home DIY projects, school crafts, and light-to-medium bonding work. Equipped with a standard EU plug, this glue gun can be connected directly to mains power without extra adapters. Its lightweight, ergonomic design ensures comfortable handling, even during extended use. Whether you’re fixing small items, making decorations, or working on creative projects, the Witty Fox Hot Melt Glue Gun delivers reliable performance in a simple and user-friendly package. Features: 20W power for fast heating and smooth glue flow Comes with a standard EU plug for easy connection to mains power Quick heat-up design — ready to use in minutes Ideal for DIY crafts, home repairs, and school projects Comfortable ergonomic grip for steady handling Works with standard hot melt glue sticks Compact and lightweight for easy storage and use Suitable for beginners and hobbyists alike

HGLRC M100 PRO GPS The HGLRC M100 PRO GPS is a compact and high-precision GPS module designed for drone applications. It utilizes a u-blox M10 chip, offering fast and accurate positioning with support for multiple satellite constellations, including GPS, GLONASS, Galileo, and BeiDou. This multi-constellation capability enhances signal reliability and accuracy, even in challenging environments. The module is known for its low power consumption and small form factor, making it ideal for space-constrained builds. Additionally, it often features a built-in compass for heading information and a high update rate, contributing to stable and reliable flight performance. Features Powered by the latest 10th generation chip, enabling faster processing and improved performance with the ability to search and connect to 50+ satellites for enhanced accuracy. Integrated QMC5883L compass ensures precise orientation and stable directional tracking, improving navigation reliability. Upgraded to support 120 receiving channels, allowing the module to lock onto more satellites simultaneously for quicker positioning and stronger signal acquisition. Advanced five-mode positioning system provides highly stable and reliable connectivity, ensuring consistent performance even in challenging environments. Enhanced signal stability and anti-interference capability help maintain accurate location tracking, offering better protection and control during operation. Optimized for faster satellite lock time, reducing delays and improving overall efficiency in real-time applications.

SmartElex Ai Thinker Ai M62 32S Development Kit The SmartElex AI Thinker Ai-M62-32S Development Kit is a powerful and versatile solution designed for modern wireless and IoT applications. Built around the BL616 RISC-V CPU, it delivers high performance with a maximum operating frequency of 320 MHz, making it suitable for real-time data processing and edge computing. This AI thinker modules platform supports Wi-Fi 6, BLE 5.3, and Thread protocol, ensuring fast, stable, and low-power connectivity. The Ai-M62-32S Development Kit features a wide range of interfaces including USB 2.0, SPI, UART, I2C, I2S, PWM, ADC, DAC, and GPIO, enabling seamless integration with sensors, displays, and peripherals. With built-in hardware security engines supporting AES, SHA, PKA, and TRNG, along with secure boot and encrypted firmware startup, it meets strict security requirements for IoT deployments. This makes the Ai-M62-32S Development Kit an excellent choice for smart home systems, wearable electronics, multimedia devices, and next-generation IoT solutions. Features: Supports the 2.4GHz operational frequency band. Support IEEE 802.11 B/G/N/AX. Support BLE 5.3. Wi-Fi Security Support WPS/WEP/WPA/WPA2/WPA3 Supports 20/40MHz bandwidth, 1T1R, maximum rate of 229.4 Mbps Supports STA, SoftAP, STA+SoftAP, and sniffer modes. A 32-bit RISC-V CPU with FPU and DSP has a maximum dominant frequency of 320M. 532KB SRAM, 128KB ROM, 4KB eFuse. Supports USB2.0, SDU, SD/MMC (SDH), SPI, UART, I2C, I2S, PWM, GPDAC, GPADC, ACOMP, and GPIO, among others.

ACEBOTT QD107 AI Vision For TinkerBott Car V1.1 (Car Kit is Not Included) ACEBOTT QD107 AI Vision Module for TinkerBott Car V1.1 enhances your robot with smart image recognition, object tracking, and AI-powered interaction capabilities. Built around an ESP32 camera system, this upgrade allows students and makers to explore computer vision, machine learning, and intelligent robotics in a hands-on way. Whether used in STEM classrooms or home robotics projects, the QD107 adds exciting new functionality to the TinkerBott platform, making coding and learning more engaging and interactive. Features AI-powered vision module enables object detection, recognition, and tracking. Built-in ESP32 camera provides fast image processing and wireless communication. Plug-and-play upgrade designed specifically for TinkerBott Car V1.1. Supports multiple programming platforms, making it ideal for beginners and advanced learners. Enhances STEM learning with hands-on experience in computer vision and AI robotics. Lightweight and modular design allows easy installation without affecting robot mobility.

ACEBOTT QD028 ESP32 2-in-1 Football & Battle Car Robotics Kit ACEBOTT QD028 2-in-1 Football & Battle Car Kit is a unique and exciting programmable robotics kit built around the powerful ESP32 controller. Designed for hands-on learning and creativity, this kit lets users build and customize a dual-mode robot that switches seamlessly between football player and battle car modes. With modular expandability and intuitive programming support, the QD028 is perfect for STEM classrooms, home learning experiences, activities, and friendly competitions. Features 2-in-1 Dual Gameplay Modes – Switch instantly between Football Mode and Battle Car Mode for endless fun and creativity. Powered by ESP32 Controller – Supports Wi-Fi and Bluetooth, enabling smart control, coding, and expandable IoT possibilities. Modular Assembly Design – Easy-to-build, kid-friendly components that encourage hands-on learning and fast reconfiguration. STEM-Focused Learning – Teaches robotics, electronics, coding, and problem-solving, perfect for classrooms and home education. Programmable with Multiple Platforms – Supports Arduino IDE and ACECode (Scratch-style coding) for all learning levels. Durable, Competition-Ready Build – Designed for activities, challenges, and competitions with stable control and smooth movement.