K Type Patch Surface End Face Thermocouple Cold Pressure Nose Probe PT100 Temperature Sensor SMD Round Hole Temperature Probe (1 Meter)

7Semi INA240 4-80V Bidirectional Current Sensor Amplifier Breakout Board The 7Semi INA240 4-80V Bidirectional Current Sensor Amplifier Breakout Board features the renowned Texas Instruments INA240, delivering precise bidirectional current measurements with a 50 V/V gain across a wide voltage range of -4V to 80V. With superior PWM rejection, it maintains accurate readings even in electrically noisy conditions, making it perfect for motor drives, power monitoring, and advanced electronics applications. Compact, reliable, and easy to integrate, this INA240 Current Sensor breakout board is an essential tool for engineers, makers, and hobbyists seeking high-precision current sensing in their projects. Features: Wide Voltage Range (-4V to 80V): Measure current seamlessly throughout a wide common mode voltage range, including applications that operate below earth. Enhanced PWM Rejection: Maintain precision in the presence of significant common mode transients, ensuring reliable measurements in systems that use PWM signals. High-Precision Voltage Output: The INA240A2 onboard delivers a proportional voltage output that integrates well with your existing configuration. Compact and Convenient: The breakout board's design simplifies integration into your projects while providing easy access to critical pins and connections. Various Applications: Suitable for motor drives, solenoid control, battery management, power monitoring, and a variety of other tasks.

7SEMI PT100 RTD Temperature Sensor Probe 2-wire 1m -70~300C The 7SEMI PT100 RTD Temperature Sensor Probe 2-wire 1 m (-70 ~ 300°C) (ES-13519) is a reliable temperature sensor designed to deliver accurate and stable readings across a wide temperature range. It uses a platinum PT100 RTD element, which is well known for precision and long-term consistency, making it suitable for both learning and professional applications. The sensor comes with a 1-meter cable and a sturdy stainless-steel probe that can handle demanding environments. Its simple 2-wire design makes it easy to connect with temperature controllers, data loggers, and microcontroller-based systems. Whether you’re working on industrial monitoring, laboratory experiments, or electronics projects, this PT100 probe offers a good balance of accuracy, durability, and ease of use. Features: Uses a PT100 platinum RTD element for accurate and stable temperature measurement Wide operating temperature range from -70°C to 300°C 2-wire configuration for simple and reliable connectivity Stainless steel probe for durability and long service life Comes with a 1-meter insulated cable for flexible installation Suitable for industrial, laboratory, and electronics projects Provides consistent readings over time with minimal drift

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 BME280 Temperature, Humidity & Pressure Sensor Nano Breakout The 7Semi BME280 Nano Breakout is a compact and highly reliable environmental sensing module designed for projects that require accurate temperature, humidity, and barometric pressure readings. Powered by Bosch’s trusted BME280 sensor, it delivers precise data with ±1.0°C temperature accuracy, ±3% humidity accuracy, and ±1 hPa pressure accuracy. With its 2.54mm pitch header and I2C interface, this breakout integrates effortlessly into Arduino, Raspberry Pi, and other embedded systems, making it perfect for weather stations, smart home setups, and environmental monitoring projects. Its small footprint and robust construction make it suitable for space-constrained applications without compromising performance. Whether you're building a DIY weather dashboard, automating a greenhouse, or working on an IoT environmental sensor node, the BME280 ensures fast, stable, and reliable readings. This sensor is also capable of altitude measurement, bringing added versatility to drones, outdoor devices, and scientific experiments. Features: Provides highly accurate temperature, humidity, and barometric pressure measurements using the Bosch BME280 sensor. Supports I2C communication and operates at 3.3V, ensuring simple wiring and compatibility with common microcontrollers. Compact nano breakout design with a 2.54mm pitch header, making it ideal for breadboard and prototype-friendly builds. Offers dependable performance with ±1.0°C temperature accuracy, ±3% humidity accuracy, and ±1 hPa pressure accuracy. Functions as an altimeter with ±1 meter accuracy, adding enhanced functionality for robotics and outdoor applications. Built with a durable and reliable layout, ensuring long-term stability in environmental and scientific projects. Suitable for weather monitoring, smart home automation, agriculture, greenhouse tracking, and IoT systems.

7Semi SHT41 Temperature & Humidity Sensor Tiny Breakout with I2C Qwiic The 7Semi SHT41 Temperature & Humidity Sensor Tiny Breakout is crafted for engineers, IoT developers, and embedded system designers who need precise environmental monitoring in extremely compact spaces. Powered by the fourth-generation SHT41 sensor, it delivers exceptional accuracy with ±1.8% RH and ±0.2°C precision, making it ideal for sensitive applications like HVAC regulation, smart home devices, and industrial IoT nodes. Its stable readings and fast response time ensure reliable environmental sensing even in dynamic conditions. Designed for low-power performance, this breakout operates on a 3.3V supply and consumes less than 0.15 mA in low-power mode, making it a perfect match for wireless systems and battery-powered deployments. With built-in I2C support, multiple address options, and a compact 1.27 mm pitch connector, integration is quick and hassle-free. Whether you're building connected sensors, indoor air-quality systems, or compact IoT hardware, this module provides dependable data for real-time decision-making and energy-efficient operations. Features: Designed with the advanced SHT41 sensor, offering high-precision measurements with ±1.8% RH humidity accuracy and ±0.2°C temperature accuracy. Operates with ultra-low power consumption, drawing less than 0.15mA in low-power mode to extend battery life in portable systems. Supports I2C communication with multiple configurable addresses for flexible integration in multi-sensor setups. Compact and lightweight form factor with a 1.27 mm pitch 4-pin connector, making it suitable for tight-space and embedded applications. Built for industrial-grade reliability, ensuring consistent performance across typical indoor and light industrial environments. Simple plug-and-play workflow enables quick installation for IoT platforms, smart buildings, automation systems, and environmental monitoring.

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.

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

7Semi ACS772 50A 200KHz Current Sensor, Automotive Grade The 7Semi ACS772 50A 200 kHz Current Sensor is a high-performance current sensor module designed to accurately measure both AC and DC currents up to 50 A with a wide frequency response. Built with automotive-grade components, it delivers dependable and precise current sensing in demanding environments where stability and safety are critical. This sensor addresses the common challenge of obtaining accurate current measurements in power electronics, motor control, and battery systems, helping you monitor and protect circuits effectively. With its broad bandwidth of up to 200 kHz and robust design, the ACS772 current sensor module offers fast response, excellent linearity, and low noise, making it suitable for a wide range of applications. It’s perfect for students and hobbyists working on robotics or power monitoring, as well as professionals developing automotive systems, industrial equipment, and high-speed power electronics. The module’s ease of integration and reliability make it a practical choice for projects requiring real-time current feedback and protection. Features: High-accuracy current sensing with ±2.1% lifetime accuracy across temperature ranges Supports AC and DC current measurement for demanding power applications Ultra-low 100 µΩ internal conductor resistance for minimal power loss Reinforced galvanic isolation for safe high-side current monitoring Excellent noise immunity with advanced amplifier and filtering design Factory-trimmed gain and offset for consistent, reliable performance Compact, automotive-grade package for easy integration and mounting

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 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 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 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 SHT40 Temperature & Humidity Sensor Breakout I2C Qwiic SHT40 Breakout (ES-13514) The 7Semi SHT40 Temperature & Humidity Sensor Breakout (I2C Qwiic) is a compact and reliable sensor module designed to measure both temperature and humidity with high accuracy. It is based on the Sensirion SHT40 sensor, making it suitable for modern electronics projects that need precise environmental data. This breakout board supports I2C communication and comes with a Qwiic connector, allowing quick and solder-free connections with microcontrollers like Arduino, ESP32, and Raspberry Pi. Its small size and low power consumption make it ideal for IoT devices, weather monitoring, indoor air quality projects, and learning applications where simplicity and accuracy matter. Features: High-accuracy temperature and humidity sensing using the SHT40 sensor Supports I²C communication for easy integration with microcontrollers Qwiic connector enables quick, solder-free plug-and-play connections Wide measurement range of 0–100% RH and –40°C to +125°C temperature Low-power and compact design, ideal for IoT and battery-powered projects Compatible with Arduino, Raspberry Pi, ESP32, and other development boards SHT40 Board Dimensions

7Semi 1.27mm Pitch SHT41 Temperature & Humidity Sensor Breakout The 7Semi 1.27mm Pitch SHT41 Temperature & Humidity Sensor Breakout is a compact and high-performance sensing solution designed for modern embedded and IoT applications. Built around the advanced SHT41 Temperature & Humidity Sensor, it delivers precise environmental measurements with ±1.8% relative humidity accuracy and ±0.2°C temperature accuracy, ensuring reliable real-time data. Operating at 3.3V and consuming less than 0.15mA in low-power mode, this breakout board is optimized for long-term, battery-powered deployments. Its 16-bit digital output and flexible I2C communication with multiple address options allow seamless integration with popular microcontrollers, making it ideal for smart home systems, environmental monitoring, industrial automation, and portable electronics where accuracy, efficiency, and compact size are critical. Features: Sensing accuracy is ±1.8% RH (normal) in the 25%-75% range and ±0.2°C temperature, allowing for precise environmental observations. Ultra-Low Power Consumption: In low power mode, consumes less than 0.15mA, making it excellent for systems powered by batteries or limited electricity. The compact design features a 4-pin, 1.27 mm pitch header that allows for easy integration into dense PCB layouts. I2C Interface with Configurable Addresses: Simple to use using conventional I2C communication and pre-configured address settings. This technology has a wide range of applications, including intelligent buildings, IoT systems, industrial automation, smart homes, and environmental sensing. The temperature and humidity sensor is built using fourth-generation SHT40 digital sensor technology, ensuring long-term dependability and stability. Reliable Operating Range: Performs consistently from 0°C to 75°C under varying humidity levels.

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.