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SmartElex Dual Channel Battle Relay module The SmartElex Dual Channel Battle Relay Module is a compact and practical relay board designed to safely control high-power electrical loads using low-voltage control signals. It helps users switch devices like motors, lights, pumps, or appliances without directly handling high voltage, making projects safer and more reliable. This module is well suited for students, makers, educators, and engineers who are working on control systems, robotics projects, or learning automation concepts in labs and classrooms. This dual-channel relay module is commonly used in robotics, home automation, IoT experiments, and industrial prototyping where isolated and dependable switching is required. It integrates easily with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick connection and straightforward control through digital pins. With stable operation and simple interfacing, the SmartElex Dual Channel Battle Relay Module enables developers to focus on logic and application design, making it ideal for DIY projects, academic experiments, and early-stage product development. Connection Diagram : Features: Dual-channel relay module for independent control of two loads Safely switches high-power devices using low-voltage control signals Electrical isolation for improved safety and reliable operation Easy interfacing with Arduino, Raspberry Pi, and ESP32 boards Suitable for robotics, RC systems, automation, and DIY projects Compact design ideal for prototyping and embedded applications Applications: Control of auxiliary systems in RC combat and battle vehicles Glow plug control in RC nitro-powered cars and models Switching high-power lighting systems in RC aircraft, boats, and cars Domestic appliance control for home automation projects Non-critical automotive electronics control such as glow wires

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

7Semi ENS160 Air Quality Sensor I2C Probe (ES-12183) The 7Semi ENS160 Air Quality Sensor I2C Probe (ES-12183) is a compact and ready-to-use air quality sensing module built to measure indoor environmental conditions. It uses the advanced ENS160 multi-gas sensor to detect volatile organic compounds (VOCs) and other indoor pollutants, helping you understand the quality of the air around you. The probe provides clean, processed digital outputs that make monitoring easy. This sensor communicates over a standard I2C interface and works at 3.3 V, making it simple to connect to popular controllers like Arduino, ESP32, or Raspberry Pi. With features like long-term stability, low power use, and reliable performance across a range of temperatures and humidity levels, it’s a great choice for smart home systems, air purifiers, HVAC monitoring, and other environmental projects. Features: Advanced ENS160 multi-gas sensor for indoor air quality monitoring Detects VOCs and air quality levels for healthier environments I2C digital interface for simple integration with microcontrollers Factory-calibrated sensor for reliable and consistent readings Low power consumption, suitable for continuous monitoring Compatible with Arduino, ESP32, Raspberry Pi, and IoT systems 7Semi I2C Wire Color Code

Waveshare UGV Rover ROS 2 Open-source 6 Wheels 4WD AI Robot With Jetson Orin Nano 4GB Kit, Dual controllers, 360° Flexible Omnidirectional Pan-Tilt Waveshare UGV Rover ROS 2 Open-Source 6-Wheel 4WD AI Robot is a powerful mobile robotics platform designed for Jetson Orin series boards. Built for advanced AI, perception, and autonomous navigation tasks, it features a rugged 6-wheel 4WD design, dual controllers, and a 360° flexible omnidirectional pan-tilt system for full-range vision. Ideal for research, prototyping, and robotics development, this UGV offers seamless ROS 2 integration and high performance for real-world robotic applications Features Supports Pan-Tilt drag-and-drop control via mouse or touch panel of the laptop, providing a better control experience as FPS games Powered by Jetson Orin series computer Supports Jetson Orin Nano 4GB Kit, provides up to 20 TOPS AI Performance. High-speed reading/writing, to meet the development needs of large AI projects Advanced AI Recognition & Tracking Based on OpenCV, supports color recognition and automatic targeting with one-key Pan-Tilt control and auto LED lighting. Expandable for additional AI functions. Face Detection & Recognition Automatically captures photos or records videos when a face is detected, providing enhanced security and AI interaction. Cross-Platform Web Control No app installation required! Simply connect via a web browser on mobile, tablet, or PC. Supports WASD keyboard shortcuts and mouse control for seamless navigation. WebRTC real-time video transmission Adopts Flask lightweight web application, based on WebRTC ultra-low latency real-time transmission, using Python language and easy to extend, working seamlessly with OpenCV Features at a glance Multiple Autonomous Navigation Modes UGV Rover supports multiple autonomous navigation modes, allowing it to navigate complex environments with precision. Whether following predefined paths, avoiding obstacles, or performing AI-assisted route planning, the robot adapts intelligently to real-world terrains. Dimensions

Holybro S500 V2 DIY Drone Kit (Included Motor, Prop and ESC) The Holybro S500 V2 DIY Drone Kit (Included Motor, Prop and ESC) is a complete DIY drone kit designed for builders and enthusiasts who want a reliable, high-performance UAV platform right out of the box. This all-in-one kit includes quality motors, propellers, Electronic Speed Controllers (ESCs), and a durable S500 V2 frame, giving you everything you need to assemble a capable multirotor drone with confidence. Whether you're a hobbyist looking to build your first drone or a professional seeking a customizable platform for experimentation and upgrades, this kit provides a solid foundation. Engineered for ease of assembly and dependable flight performance, the Holybro S500 V2 DIY Drone Kit combines balanced thrust, stable handling, and efficient power delivery for smooth flight characteristics. Its thoughtfully selected components ensure compatibility and optimized performance, making the build process straightforward while offering room for future enhancements. From casual flying to aerial photography and DIY experimentation, this kit empowers you to bring your custom drone ideas to life with quality and precision. Features: Complete DIY drone kit including frame, motors, propellers, and ESCs for easy assembly. Durable S500 V2 frame designed for stable and reliable multirotor performance. Balanced propulsion system delivers smooth thrust and efficient flight. Supports customization and upgrades with compatible flight controllers and accessories. Suitable for beginners learning drone assembly as well as advanced UAV projects. Ideal for DIY builds, aerial experimentation, and educational drone applications.

7Semi ESP32-DEVKIT-E – ESP32 WiFi BLE Development Board with CP2102 USB-UART The 7Semi ESP32-DEVKIT-E is a compact and powerful development board built around the ESP32-WROOM-32E module, offering dual-core processing, onboard WiFi, and Bluetooth connectivity. Designed for makers, students, and IoT developers, it provides reliable wireless performance and plenty of GPIO pins to interface with sensors, displays, motors, and more. Whether you're experimenting with automation, creating smart devices, or building connected prototypes, this board gives you the flexibility and power needed to push your ideas further. With a CP2102 USB-to-UART bridge for easy programming, breadboard-friendly spacing, and multiple power input options (USB, 5V, or 3.3V), the ESP32-DEVKIT-E is built for smooth prototyping. It delivers a stable development experience with 4MB Flash, a PCB antenna, and support for protocols like SPI, I2C, I2S, ADC, DAC, and PWM - making it ideal for IoT, robotics, wearables, smart home projects, and low-power connected applications. Features: Powered by the ESP32-WROOM-32E module featuring a dual-core processor running at 160MHz for fast and efficient performance. Integrated WiFi and Bluetooth support enables seamless wireless connectivity for IoT and smart device applications. Includes multiple GPIO pins that allow easy interfacing with sensors, displays, motors, and other electronic components. Breadboard-friendly pin layout ensures easy prototyping and smooth development workflows. Equipped with a CP2102 USB-UART bridge for convenient programming and debugging via USB. Flexible power options including Micro USB, 5V, and 3.3V inputs to suit a wide variety of project needs. Built-in PCB antenna, 4MB flash memory, and compact, cost-effective design ideal for beginners and advanced developers alike. ESP32 Devkit Pinout Diagram:

SmartElex BS312 PIR Motion Sensor The SmartElex BS312 PIR Motion Sensor is a compact passive infrared sensor designed to detect human motion by sensing changes in infrared radiation. It helps systems respond only when movement is present, reducing unnecessary power usage and improving efficiency. This sensor is suitable for students, makers, engineers, educators, and startups who are building 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 those that run on batteries or need low standby power consumption. It can be easily interfaced with popular platforms such as Arduino, Raspberry Pi, and ESP32, making integration quick and straightforward. Common use cases include motion-activated lighting, smart alarms, occupancy detection, and compact IoT monitoring solutions where dependable performance and simple integration are essential. Features: Compact PIR sensor for accurate human motion detection Detects movement using passive infrared technology Low power consumption ideal 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

Holybro Micro M9N GPS With Case The Holybro Micro M9N GPS With Case is a compact, high-performance M9N GPS with case module designed to deliver precise positioning and reliable navigation for advanced drone and UAV applications. Featuring multi-constellation GNSS support, this GPS unit tracks multiple satellite systems simultaneously to ensure fast satellite acquisition, improved accuracy, and strong signal reliability. The included protective case not only enhances durability but also simplifies mounting and installation on a variety of drone frames and robotic platforms. Equipped with an IST8310 compass and a high-performance antenna, this GPS module provides accurate heading information and robust signal reception, enhancing overall flight stability and control. Whether you’re conducting waypoint missions, autonomous navigation, or complex aerial maneuvers, the Holybro Micro M9N GPS With Case delivers dependable performance in both indoor and outdoor environments. Its lightweight design and advanced features make it an excellent choice for hobbyist builders and professional UAV developers alike. Features: Compact M9N GPS with case designed for accurate and reliable drone navigation. Supports multi-constellation GNSS for faster satellite lock and improved positioning accuracy. Integrated IST8310 compass provides precise heading and orientation data. High-performance antenna ensures strong signal reception and stable navigation. Protective case improves durability and simplifies installation on drone frames. Ideal for multirotor drones, UAV platforms, and autonomous navigation applications.

7Semi EC20 CAT-4 LTE 4G GNSS Nano Modem The 7Semi EC20 CAT-4 LTE 4G GNSS Ultra-compact Nano Modem is a powerful and space-saving solution designed to bring fast, reliable cellular connectivity to IoT and M2M applications. Built around Quectel’s EC20 R2.1 module, it supports LTE, UMTS/HSPA+, and GSM networks, enabling seamless communication across diverse environments. With download speeds up to 150 Mbps and upload speeds up to 50 Mbps, the modem delivers the performance needed for data-intensive applications like tracking, telemetry, remote monitoring, and industrial IoT. Beyond connectivity, the module features advanced multi-GNSS positioning including GPS, GLONASS, BeiDou, Galileo, and QZSS. It comes with a micro-USB interface for direct PC/laptop connectivity, optional UART support, nano SIM slot, and flexible powering through USB or 5–14V external input. With its wide operating temperature range and compact form factor, this modem is ideal for Raspberry Pi integrations, embedded projects, and outdoor systems requiring stable cellular + GNSS capabilities. Features: Offers multi-network connectivity with LTE, UMTS/HSPA+, and GSM/GPRS/EDGE support for global coverage. Provides high-speed data performance with up to 150 Mbps downlink and 50 Mbps uplink for demanding IoT applications. Supports advanced GNSS systems including GPS, GLONASS, BeiDou, Galileo, and QZSS for accurate geolocation. Includes micro-USB interface for direct PC/laptop connection and optional UART for embedded hardware integration. Compatible with nano SIM cards and can operate on 5V USB or 5–14V external power for wide deployment flexibility. Designed for rugged use with a wide operating temperature range of -40°C to 80°C. Ideal for PC, laptop, and Raspberry Pi usage, including remote monitoring, navigation, and IoT deployments. Includes high-gain internal antenna (8dBi) with IPEX connector for strong and stable signal reception. 7Semi EC20 CAT-4 LTE 4G GNSS Nano Modem Dimensions

reComputer J401 – Carrier Board for Jetson Orin Nano & Orin NX The reComputer J401 is an advanced NVIDIA Jetson Orin NX carrier board, purpose-built to support both Jetson Orin Nano and Orin NX modules. Designed as an open-source extension board, it breaks out a comprehensive range of I/O interfaces from the SoM, offering seamless high-speed and low-speed connectivity to meet diverse development needs. With its compact form factor, reliable performance, and developer-friendly architecture, the J401 simplifies the process of building, testing, and scaling embedded systems. Ideal for prototyping, edge deployments, and long-term product updates, it accelerates time-to-market while providing the flexibility required for robotics, computer vision, and AI-powered edge applications. Features: NVIDIA Elite Partner certified – ensuring reliable quality and compatibility. 260-pin Jetson module connector – supports both Jetson Orin NX and Orin Nano modules. Open-source hardware – flexible and developer-friendly for customization. Compact form factor – measures just 100mm x 80mm for space-saving integration. Wide operating temperature range – works reliably from -10°C to 60°C. Wireless connectivity – M.2 Key E slot for WiFi and Bluetooth expansion. Storage expansion – M.2 Key M slot supports SSD integration. High-speed networking – RJ-45 GbE port with 10/100/1000M support. Camera and display support – includes 2x CSI camera interfaces and 1x HDMI 2.1. Versatile USB options – 1x USB 2.0 Type-C (device mode) + 4x USB 3.2 Type-A (10Gbps). Stable power input – DC Jack 12V/5A for dependable operation. Optimized for edge applications – ideal for robotics, computer vision, and generative AI projects. Applications: AI Video Analytics Machine Vision Autonomous Mobile Robot (AMR) Generative AI Hardware Overview: Applications Gallery – Sample Edge AI Setups AI Video Analytics Rig : Orin NX + J401 + CSI camera + NVMe SSD for real-time video inference and storage. Autonomous Mobile Robot (AMR) : Combine wheel motors (via MCU or controller board), sensors, camera feed, and edge-AI inference on Orin for navigation, obstacle detection, and decision-making. Industrial Automation & Monitoring : Use Gigabit Ethernet, CAN port, multiple sensors, and AI inference to monitor machines, detect anomalies or control actuators. Generative AI / Edge ML Server : Use Orin NX with SSD and cooling via J401 to run heavy ML workloads locally ideal for edge-AI deployments without cloud dependency. Computer Vision + Robotics Laboratory Setup : Multiple cameras via dual CSI, USB 3.2 devices, external sensors build a flexible AI-powered research or prototyping station.

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 8 Channel Multiplexer Breakout Module – (74HC4051) The SmartElex 8 Channel Multiplexer Breakout Module (74HC4051) is a compact and efficient solution for expanding input and output options in electronic projects. This 74HC4051 multiplexer breakout allows users to route multiple signals through a single microcontroller pin, solving the problem of limited I/O availability when working with sensors, switches, or analog inputs. It is designed for students, makers, engineers, educators, and startups who need a practical way to manage multiple device connections without increasing hardware complexity. This module acts as both an 8 channel multiplexer and demultiplexer, making it suitable for robotics, IoT systems, automation tasks, and rapid prototyping. It integrates smoothly with Arduino, Raspberry Pi, ESP32, and similar platforms, enabling users to scale projects without sacrificing performance or stability. Whether you are building sensor hubs, data acquisition systems, or experimenting with signal routing, this multiplexer demultiplexer module offers a reliable and easy-to-use interface that enhances flexibility in circuit design. Features: Based on the 74HC4051 8-channel analog/digital multiplexer IC Expands I/O by routing up to 8 signals through a single control interface Works as both a multiplexer and demultiplexer for flexible signal routing Helps manage limited microcontroller pins in multi-sensor projects Compatible with Arduino, Raspberry Pi, ESP32, and similar platforms Ideal for robotics, IoT systems, data acquisition, and prototyping

7Semi BME688 Environmental Sensor Probe with Gas, Pressure, Temperature & Humidity Sensor The 7Semi BME688 Environmental Sensor Probe is a compact, AI-enabled environmental monitoring solution designed for precise measurements of temperature, humidity, barometric pressure, and gas levels. Built using the advanced Bosch BME688 sensor, it provides highly accurate, real-time environmental data that supports air quality monitoring, research applications, industrial automation, and smart home systems. Housed in a durable plastic shell, the probe ensures long-term stability while maintaining excellent breathability necessary for accurate gas sensing. This versatile environmental probe uses an I2C digital interface for easy integration with microcontrollers and embedded systems, making it suitable for both portable and fixed installations. With a wide operating range and low power consumption, it delivers stable performance even in harsh or fluctuating environments. AI-powered gas sensing adds advanced analytical capabilities such as IAQ scoring, VOC detection, CO₂-equivalent estimation, and bVOC outputs, making this probe a powerful tool for environmental diagnostics and air-quality-driven automation. Features: Provides simultaneous measurement of temperature, humidity, pressure, and gas concentration, enabling complete environmental assessment in a single compact device. AI-powered gas sensing detects VOCs, CO₂-equivalents, and various gases at ppb-level sensitivity for accurate indoor air quality monitoring. Durable plastic enclosure offers strong resistance to corrosion, dust, and temperature variations while maintaining high permeability for reliable sensing. Wide operational range ensures dependable performance from -40 to 85°C and 0–100% RH, suitable for both indoor and outdoor monitoring environments. Low power design supports battery-operated systems, making it ideal for portable, energy-efficient projects. Mini Round Shell (MRS) connector with a 1m cable provides secure and professional-grade installation flexibility. I2C digital communication interface simplifies integration with embedded systems and common microcontrollers. NIST-traceable factory calibration guarantees accuracy for industrial, regulatory, and research applications. Delivers advanced analytical outputs including IAQ, bVOC, CO₂-equivalent, gas intensity, gas scan, and air quality indexes. Humidity Sensors Pins: Digital Humidity and Temperature Sensor Probe I2C Interfacing with MCU:

7Semi OPT3004 Digital Ambient Light Sensor Breakout with I2C STEMMA QT / Qwiic The 7Semi OPT3004 Digital Ambient Light Sensor Breakout is a compact and high-precision module designed to measure visible light just the way the human eye perceives it. Built around the OPT3004 sensor, it delivers exceptional accuracy, wide dynamic range, and excellent infrared rejection, making it ideal for real-world lighting applications. With seamless I2C compatibility and Qwiic/STEMMA QT support, this breakout is easy to integrate into microcontroller or IoT setups without complicated wiring. Whether you're building smart lighting systems, automating energy-efficient environments, or experimenting with environmental monitoring projects, this module provides consistent and dependable lux readings. Its advanced design, low-power performance, and precise optical filtering make it a reliable choice for hobbyists, students, and professional developers looking for accurate ambient light sensing in their projects. Features: The breakout uses the OPT3004 sensor, which delivers precise visible light measurements with excellent IR rejection to mimic human eye response. It offers a wide measurement range from 0.01 lux to 83,000 lux, allowing accurate performance in dim to bright environments. The module includes automatic gain ranging with a 23-bit effective dynamic range, ensuring stable results without manual adjustments. Designed with I2C support and Qwiic/STEMMA QT connectors, it enables quick, solder-free integration into various electronics projects. The board operates smoothly on both 3.3V and 5V supplies, making it compatible with popular microcontroller platforms. Its compact 27×20 mm footprint makes it suitable for space-constrained embedded or portable applications. Built with precision optical filtering to block over 99% infrared light within a ±85° angle for truly accurate lux readings.

7Semi Vikram-3015 High-Power 30V 15A Single-Channel DC Motor Driver Module The 7Semi Vikram-3015 is a powerful and reliable high-current motor driver designed to handle demanding brushed DC motor applications with ease. Built for makers, robotics engineers, and automation projects, it supports a wide operating voltage range of 6V to 30V and delivers a continuous 15A output without requiring a heat sink. Its fully NMOS H-Bridge architecture ensures excellent efficiency, making it ideal for high-load motor control setups that require consistency and stable performance. With support for 3.3V and 5V logic levels, the Vikram-3015 easily integrates with popular development platforms such as Arduino, Raspberry Pi, and PLC systems. The on-board test buttons, motor output LEDs, and robust protection circuitry, such as overcurrent, overheating, and undervoltage protection, simplify debugging and ensure long-term reliability. Whether you're building robotics systems, automation hardware, or DIY mechatronics, this motor driver provides a dependable foundation for high-torque motor control. Features: Provides smooth bidirectional control for single-channel brushed DC motors, enabling forward and reverse operation with high responsiveness. Operates efficiently across a wide 6V–30V voltage range while delivering a strong and stable 15A continuous current output. Supports both 3.3V and 5V logic inputs, ensuring seamless compatibility with microcontrollers and SBCs like Arduino and Raspberry Pi. Includes onboard testing features such as dedicated buttons and motor output LEDs for quick diagnostics and validation. Offers robust safety mechanisms including overcurrent protection, over-temperature shutdown, and undervoltage lockout for long-term durability. Uses a fully NMOS H-Bridge, improving efficiency and eliminating the need for bulky heat sinks.