SmartElex Industrial USB TO RS485 Bidirectional Converter Programmer Module with original CH340C Chipset

7Semi EC200U 4G LTE Cat 1 Dongle with GNSS Positioning The 7Semi EC200U 4G LTE Cat 1 Dongle is designed to deliver stable, high-speed connectivity for industrial systems, IoT deployments, and edge computing devices. Powered by the reliable Quectel EC200U-CN module, it supports LTE Cat 1, GSM, and GPRS networks, making it a dependable choice for projects that require continuous wireless communication. Its plug-and-play USB design ensures quick setup on Windows, Linux, and embedded platforms like Raspberry Pi or industrial PCs. Along with strong cellular performance, the dongle features integrated GNSS positioning, supporting GPS, GLONASS, BeiDou, Galileo, and QZSS for accurate tracking. Whether used for remote monitoring, automation, telemetry, or cloud-connected devices, this LTE Cat 1 dongle offers seamless integration, reliable communication protocols, and long-term durability making it ideal for modern IoT and industrial connectivity needs. Features: Supports LTE Cat 1, GSM, and GPRS networks for dependable wireless connectivity. Delivers stable data speeds up to 10Mbps downlink and 5Mbps uplink for real-time communication. Integrated GNSS engine supports GPS, GLONASS, BeiDou, Galileo, and QZSS for accurate positioning. Plug-and-play USB interface with wide compatibility for Windows, Linux, Raspberry Pi, and industrial hosts. Supports multiple communication protocols including TCP, UDP, HTTP, MQTT, HTTPS, NTP, FTP, SSL, and more. Features a nano SIM card slot (1.8V/3V) for flexible network access. Reliable build quality designed for continuous industrial operation. Flexible antenna design for enhanced signal performance in challenging environments.

7Semi SC18IM704 UART to I2C Bus Bridge Breakout Board The 7Semi SC18IM704 UART to I2C Bus Bridge Breakout Board is a compact and efficient UART to I2C bridge converter designed to simplify communication between UART-based microcontrollers and I2C peripherals. It enables reliable protocol conversion with UART speeds of up to 460.8 kbit/s, while the integrated 256-byte FIFO buffer minimizes data loss during high-speed transfers. Using an easy-to-implement ASCII message protocol, developers gain precise control over I2C bus sequences, including timing and arbitration. With additional user-programmable GPIO pins, this board is well-suited for embedded systems, industrial control, and IoT applications where UART and I2C interfaces must work together seamlessly. Features: High-Speed Communication: Supports UART baud rates of up to 460.8 kbit/s and a 256-byte FIFO for efficient data processing. User-Friendly Interface: Communicates with the host MCU via conventional RX and TX pins, making integration into systems straightforward. I2C Protocol Control: The ASCII message protocol provides full control over I2C-bus sequences, including protocol, arbitration, and timing. Industrial Applications: Ideal for communication bridges, automation control, and I2C bus support in a variety of industrial configurations. Configurable GPIO Pins: Provides multiple user-configurable GPIO pins to meet unique application requirements.

12v Mini Square Siren 12V Mini Square Siren is a compact and reliable audio alert device designed to produce loud warning sounds in a variety of systems and applications. This siren operates on a standard 12 V DC supply, making it suitable for automotive, security, alarm, and industrial use. It solves the need for a simple yet effective audible alert, ideal for installers, technicians, hobbyists, and makers who require a clear sound signal in their projects or safety systems. Perfect for both professional setups and DIY electronics, this mini square siren can be integrated into vehicle alarms, home security systems, factory warning circuits, and other alerting applications where sound notification is needed. Its small size and straightforward installation allow users to deploy it easily in tight spaces, and its dependable performance ensures consistent alerts, enhancing safety and awareness in your systems.

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.

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:

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 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

7Semi EC200G-CN LTE Cat 1 4G GNSS Industrial Modem The 7Semi EC200G-CN LTE Cat 1 4G GNSS Mini Industrial Modem is designed for applications where reliable connectivity and accurate positioning matter the most. Built around the Quectel EC200G-CN module, it brings together stable LTE Cat 1 communication, multi-GNSS support, and flexible interfacing in a compact industrial-ready form. With USB-C and UART interfaces, it integrates seamlessly with embedded systems, PCs, industrial controllers, and IoT gateways, making it ideal for real-time data acquisition and cloud-based applications. Engineered for field-grade performance, this modem includes a nano-SIM slot, external wide-range 5–26 V power input, and a high-efficiency FPC antenna with IPEX for strong and stable signal reception. Whether you’re building smart metering systems, industrial automation setups, or vehicle tracking solutions, this LTE Cat 1 GNSS modem ensures dependable communication, consistent GPS accuracy, and effortless deployment across diverse IoT environments. Features: LTE Cat 1 connectivity powered by the Quectel EC200G-CN module for stable and efficient cellular communication. Dual communication interfaces with USB-C and UART, allowing flexible integration with microcontrollers, edge devices, and computers. Wide input voltage support (5–26 V) for reliable operation in industrial and field deployments. Multi-GNSS system support including GPS, GLONASS, BeiDou, Galileo, and QZSS for precise and continuous location tracking. High-efficiency FPC antenna with IPEX (u.FL) connector ensures strong cellular and GNSS signal reception. Nano-SIM slot enabling immediate network access for IoT, telemetry, and monitoring systems. Compact, rugged, and installation-friendly design suitable for demanding environments and professional applications. Pinout Diagram:

7Semi SHT41 Temperature & Humidity Sensor Breakout with I2C Qwiic Interface The 7Semi SHT41 Temperature & Humidity Sensor Breakout is a high-precision humidity sensor module built for engineers, developers, and IoT creators who need reliable environmental data in compact embedded systems. Powered by Sensirion’s advanced CMOSens® technology, this I2C temperature sensor delivers accurate readings across a wide range, making it ideal for smart home automation, HVAC upgrades, weather stations, and industrial monitoring systems. With its accurate ±1.5% RH humidity and ±0.2°C temperature performance, it ensures consistent measurements even in demanding environments. Designed with a built-in Qwiic connector, the breakout allows fast, solder-free plug-and-play integration into Qwiic-compatible ecosystems like Arduino, Raspberry Pi, and other development platforms. Its quick response time, low power consumption, and compact 30 × 22 mm footprint make it a dependable environmental monitoring sensor for portable, battery-powered devices, IoT prototypes, and educational projects. Whether used in climate control systems or air-quality tracking, the SHT41 provides robust, long-term stability. Features: Designed with Sensirion’s CMOSens® technology to deliver high-accuracy temperature and humidity readings with long-term stability. Offers a full 0–100% RH humidity range and a wide temperature range of -40°C to 125°C, making it suitable for varied climates and applications. Integrated Qwiic connector provides seamless, solder-free connectivity for rapid prototyping and easy hardware integration. Supports I2C communication, allowing compatibility with Arduino, Raspberry Pi, ESP32, and other development platforms. Features a compact and lightweight 30 × 22 mm PCB, ideal for embedded and space-constrained designs. Operates on 3.3V–5V supply with low operating current, making it suitable for battery-powered and energy-efficient systems.

7Semi SHT40 Temperature & Humidity Sensor Breakout Board with 1.27mm Pitch The 7Semi SHT40 Temperature and Humidity Sensor Breakout is a compact, precision-engineered module built for applications where accurate environmental monitoring and ultra-low power consumption are crucial. Powered by Sensirion’s fourth-generation SHT40 sensor, it delivers highly reliable 16-bit temperature and humidity data while operating at just 3.3V. With its exceptionally low energy usage, fast response time, and robust ±1.8% RH and ±0.2°C accuracy, it’s an ideal upgrade for modern IoT, wearable, and battery-powered designs that demand consistent and stable performance. Designed for effortless integration, the board features a 1.27 mm pitch, a 4-pin header, and a versatile I2C interface with multiple address options, making it simple to deploy across embedded systems, development platforms, and prototype setups. Whether you're building smart home automation, industrial monitoring, or IoT environmental sensing projects, this SHT40 breakout ensures dependable, long-term operation even in demanding ambient conditions, helping engineers and makers achieve more accurate and energy-efficient data processing. Features: The SHT40 sensor delivers high-precision readings with ±1.8% RH humidity accuracy and ±0.2°C temperature accuracy for trustworthy environmental data. Designed for low-power applications, operating at under 0.15mA in low-power mode for extended battery life. Compact breakout board with a 1.27 mm pitch 4-pin header, making it ideal for tight-space electronic designs and fast prototyping. Provides a reliable I2C communication interface with multiple preconfigured addresses for easy use in multi-sensor networks. Efficient 3.3V operation ensures stable performance across microcontroller and IoT platforms. Fast response time of 8 seconds for real-time temperature and humidity tracking. Suitable for smart homes, industrial automation, IoT environmental nodes, air quality systems, and intelligent building applications.

7Semi High-Precision Temperature & Humidity Sensor Probe The 7Semi High-Precision One-Wire Temperature and Humidity Probe is engineered for applications where accuracy, durability, and reliability truly matter. Built with advanced CMOSens sensing technology, it delivers precise digital measurements even in extreme environmental conditions. Its stainless-steel porous housing provides excellent protection against moisture, dust, and chemical contaminants, making it dependable for long-term use in demanding setups. Designed for industrial automation, scientific research, HVAC systems, and environmental monitoring, this probe offers excellent responsiveness and stability across wide temperature and humidity ranges. The one-wire interface reduces wiring complexity, while the compact form factor and 1-meter cable make installation effortless. With its industrial-grade sensing, high-accuracy performance, and rugged enclosure, this probe is ideal for both stationary and mobile applications. Features: Designed with advanced CMOSens technology to deliver highly accurate humidity and temperature readings in challenging environments. Operates efficiently at 3.3V, making it suitable for battery-powered and portable devices. Works across extreme environmental conditions, including temperatures from -40°C to +125°C and pressures up to 150 bar. Encased in a stainless-steel breathable shell that resists corrosion, dust, chemical exposure, and moisture. One-wire digital interface ensures simple integration and minimal wiring requirements. Proven reliability in high-pressure, high-temperature, vacuum, and explosive environments. Built for long service life with strong resistance to oxidation and particulate blockage. Includes a 1-meter cable with a mini round shell connector for flexible installation in tight or specialized spaces. 7Semi High-Precision Temperature & Humidity Sensor Probe Pinout Diagram:

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 UCC21330 Dual-channel Isolated Gate Driver Breakout Board The 7Semi UCC21330 Dual-Channel Isolated Gate Driver Breakout Board is designed to efficiently drive power transistors like MOSFETs, IGBTs, and SiC devices with a peak source current of 4A and a peak sink current of 6A. Its 3kVRMS isolation barrier ensures safe and reliable operation in high-voltage environments, while programmable dead-time control allows precise timing adjustments to minimize switching losses and prevent shoot-through. Integrated protection features, including undervoltage lockout (UVLO) and a disable function, safeguard your system and enable immediate shutdown when needed. This compact breakout board is perfect for applications such as motor drives, power converters, and industrial automation systems requiring precise and reliable gate driving. Features: Supports dual low-side, dual high-side, and half-bridge configurations for a wide range of power applications. High Current Capacity: 4A peak source and 6A peak sink output provide robust transistor control. Enhanced Protection: All power supplies include UVLO protection and a configurable dead time for safe operation. Precision timing is achieved with a 33ns mean propagation latency and a maximum pulse-width distortion of 5ns. Robust CMTI operation: Common-mode transient immunity of more than 125V/ns enables dependable operation in high-noise settings. Fast Disable Logic: The built-in disable feature allows you to shut down both outputs at the same time.

7Semi PT100 RTD 3-Wire Temperature Sensor Probe The 7Semi PT100 RTD Temperature Sensor Probe is built for engineers and industrial users who need dependable, high-accuracy temperature monitoring across a wide operating range. Using a premium JUMO PCA 1.2003.1EG platinum-chip element, this probe follows the IEC 60751:2008 Class F0.15 (Class A) standard, ensuring precise and stable readings from -70°C to +300°C. Its platinum resistance design offers exceptional repeatability with minimal drift, making it a reliable choice for long-term process monitoring and industrial automation systems. Designed with a durable 2-inch stainless steel probe and a 3-metre insulated 3-wire cable, this PT100 sensor is ideal for harsh, wet, or corrosive environments. Whether used in chemical plants, HVAC systems, laboratory setups, industrial machinery, or temperature-controlled processing units, it delivers consistently accurate performance. This combination of precision, durability, and affordability makes it a smart upgrade for anyone looking for a high-accuracy industrial temperature sensor. Features: Designed with a wide operating range from -70°C to +300°C, making it suitable for demanding industrial and laboratory applications. Built with a JUMO PCA platinum-chip element that meets IEC 60751:2008 Class F0.15 (Class A) standards for high accuracy and stability. Equipped with a 2-inch stainless steel probe, offering long-lasting durability even in harsh or corrosive conditions. Comes with a 3-metre insulated 3-wire cable, allowing easy installation in remote or hard-to-reach areas. Utilises platinum resistance technology for excellent repeatability, low drift, and consistent output over time. Features a waterproof design, enabling reliable operation in moisture-rich environments. Offers a cost-effective, high-reliability solution suitable for automation systems, industrial processes, and precision monitoring tasks.

7Semi Vikram-3025 High-Power 25A DC Motor Driver for 6–30V Motors The 7Semi Vikram-3025 is a heavy-duty single-channel DC motor driver built for demanding robotics, automation, and mechatronics projects. Designed to handle 25A continuous load with a 6V–30V operating range, it uses a high-efficiency discrete NMOS H-Bridge that eliminates the need for bulky heat sinks. Whether you're powering high-torque DC motors or creating reliable industrial controls, this driver ensures stable, smooth, and responsive performance. With built-in safety features like overcurrent protection, temperature protection, and undervoltage shutdown, your system stays secure even under heavy loads. This motor driver goes beyond basic control, it includes onboard test buttons, motor output LEDs, and a regulated 5V output for powering microcontrollers, making prototyping extremely convenient. It supports PWM/DIR control signals from a wide range of logic voltages (1.8V to 30V), ensuring compatibility with Arduino, Raspberry Pi, PLCs, and other controllers. It also offers manual control options using a potentiometer and switch, giving both beginners and advanced users flexible control in real-world applications. This makes it a dependable choice for custom robotics, high-power motor control, and automation systems. Features: Provides smooth and reliable bidirectional control for single brushed DC motors. Supports a wide operating voltage range from 6V to 30V for flexible motor compatibility. Handles a continuous motor current of 25A, ideal for high-load or high-torque applications. Includes an onboard 5V regulated output (250mA) to power a microcontroller without an external supply. Onboard test buttons and motor state LEDs allow quick, controller-free testing during prototyping. Offers dual input modes: PWM/DIR for digital control or potentiometer/switch for manual operation. Compatible with 1.8V, 3.3V, 5V, 12V, and 24V logic, making it suitable for Arduino, Raspberry Pi, PLCs, and more. Supports PWM input frequency up to 40kHz with a fixed 16kHz output for quiet motor operation. Built-in protections include active current limiting, overcurrent protection, temperature protection, and undervoltage shutdown.