ATmega328P-U PDIP-28 8 BIT Microcontroller IC

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 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 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.

1500V USB To USB Isolator Module ADUM4160 & 3160 - Optical Isolation Board for USB Protection The USB to USB Isolator Module is designed to protect your devices and computer from electrical noise, ground loops, and voltage spikes. Featuring optical isolation technology, this module ensures safe communication between USB interfaces by isolating the data and power lines. It supports both low-speed (1.5 Mbps) and full-speed (12 Mbps) USB communication, making it suitable for a variety of microcontroller programmers, USB test instruments, HID devices, and data-acquisition tools. With an isolation voltage of up to 3000V and a built-in 1500V isolated power module, this board offers robust electrical protection in demanding environments. It is plug-and-play, powered directly from the host USB port, and requires no additional drivers. Ideal for labs, embedded systems, industrial environments, and DIY electronics, the ADUM3160 isolator helps ensure stable signal integrity and protects both the host system and connected equipment. Features: Provides strong electrical isolation using ADUM3160/ADUM4160 to protect USB devices from noise, surges, and ground loops. Supports USB 1.5 Mbps low-speed and 12 Mbps full-speed communication for wide compatibility. Built-in 1500V isolated power module and 3000V data isolation capability for enhanced safety. Compatible with many programmers and USB devices such as FT232, CH341, J-Link, PICKIT2, card readers, cameras, and more. Plug-and-play design powered directly from the host USB port—no external drivers required. Designed to operate in a wide temperature range from -40°C to 85°C, suitable for lab and industrial use. Compact PCB for easy integration into workbenches, test setups, and embedded development systems.

7Semi MAX31855 K-Type Thermocouple Amplifier Breakout The 7Semi MAX31855 Thermocouple Amplifier Breakout is designed for creators, engineers, and industrial users who need reliable and highly accurate temperature readings from extreme environments. With its advanced MAX31855 converter IC, this breakout allows effortless digital temperature measurement using K-type thermocouples, making it a powerful choice for applications like 3D printing, HVAC monitoring, and high-heat industrial systems. The onboard cold-junction compensation ensures precision by automatically correcting any thermal offsets at the connector. Supporting temperatures from -270°C to +1372°C, it delivers 14-bit resolution with smooth 0.25°C read steps, providing dependable, noise-free readings for sensitive processes. Built-in fault detection helps identify open circuits or shorts, making the system easier to troubleshoot and safer for continuous operation. With its SPI-based digital interface and compatibility with 3.3V/5V logic microcontrollers, the module integrates cleanly with Arduino, ESP32, Raspberry Pi, and industrial controllers. Features: Supports a wide thermocouple measurement range from –270°C to +1372°C, making it suitable for extreme heat and cryogenic applications. Provides 14-bit high-resolution output with precise 0.25°C increments for accurate temperature monitoring. Includes built-in cold-junction compensation, ensuring reliable compensation for ambient temperature fluctuations. Offers a simple SPI digital interface, requiring minimal I/O pins for easy integration with most microcontrollers. Compatible with multiple thermocouple types including K, J, N, T, S, R, and E, providing versatility in system design. Features fault detection for open thermocouples and shorts to VCC/GND to enhance system safety. Supports both 3.3V and 5V logic levels, ensuring broad compatibility across development boards.

7Semi MAX31865 PT1000 RTD 3-Wire Temperature Sensor Amplifier Breakout Board The 7Semi MAX31865 PT1000 RTD 3-Wire Temperature Sensor Amplifier Breakout Board is designed for highly accurate temperature measurement using PT1000 sensors. Equipped with the MAX31865 RTD to Digital Converter, it compensates for lead resistance and supports 2, 3, and 4-wire PT1000 configurations, ensuring precise readings. The board easily connects to microcontrollers via SPI and operates at both 3.3V and 5V, making it a versatile solution for industrial, laboratory, and advanced DIY temperature monitoring projects. Features: The PT1000 RTD, a cornerstone of industrial temperature monitoring, provides high accuracy and repeatability, outperforming thermocouples in harsh situations. MAX31865 RTD Amplifier: This specialized amplifier is designed to read the low resistance of PT1000 RTDs, resulting in optimal signal processing and error minimization. 3-Wire Compatibility: The breakout board offers 3-wire RTD connection combinations to meet your individual setup needs. excellent Accuracy Temperature Sensor: Temperature measurement with little drift and excellent resolution, ideal for applications requiring accuracy. MAX31865 SPI Interface: The breakout board seamlessly integrates with popular microcontrollers such as Arduino and Raspberry Pi, allowing for easy data collecting and control. PT1000 RTD Amplifier Calibration: The MAX31865 RTD amplifier has calibration capabilities, ensuring consistent and accurate readings throughout time. MAX31865 Fault Detection: Built-in fault detection procedures aid in the identification of issues such as sensor disconnections or over-temperature conditions, hence improving system reliability. Versatile Applications: Suitable for thermal cycling, industrial process control, laboratory investigations, and any scenario requiring precise temperature measurement. The 7Semi PT1000 RTD 3-Wire Temperature Sensor Amplifier Breakout Board - MAX31865 can help you optimize your temperature sensing capabilities. Elevate your projects with unrivaled precision and dependability.

7Semi MCP23017 I2C to 16 IO Expander Breakout Board The 7Semi MCP23017 I2C to 16 IO Expander Breakout Board is designed to expand the digital I/O capability of microcontrollers using the trusted MCP23017 I2C IO Expander IC. It provides exactly 16 configurable GPIO pins over a single I2C bus, reducing wiring complexity while maintaining stable performance. Each pin can be independently set as input or output, and the onboard interrupt feature allows the controller to respond instantly to pin state changes. This MCP23017 Breakout Board is compact, easy to integrate, and ideal for applications such as home automation, robotics, industrial control panels, and any project that requires multiple digital inputs and outputs without consuming extra microcontroller pins. Features: 16 I/O Pins: Converts two signal pins into sixteen completely customizable I/O pins. Multi-board Expansion: For larger applications, stack up to 8 boards to provide up to 128 I/O pins. Configure I2C addresses by setting the A0, A1, and A2 jumpers. Dual Connectivity: Includes PH2.0 terminal and solder pad choices for simple connection. Wide Compatibility: Compatible with both 3.3V and 5V systems, ensuring platform versatility. Interrupt Support: The INTA and INTB interrupt pins are used for real-time signal handling. Development Resources: Includes detailed instructions and sample projects for Raspberry Pi, Arduino, STM32, and micro. Easy Integration: The I2C interface, combined with a 4Pin 2.0 mm JST connector, provides for an easy and flexible connection to any MCU.

7Semi SHT45 and SGP41 Environmental Sensor Breakout The 7Semi SHT45 and SGP41 Environmental Sensor Breakout is a versatile environmental sensor module designed for accurate and simultaneous measurement of temperature, humidity, and air quality. By combining high-precision SHT45 sensing with the advanced SGP41 air quality sensor on one compact board, it simplifies environmental monitoring for a wide range of projects. Whether you’re building smart home systems, indoor air quality stations, or industrial monitoring tools, this sensor package provides reliable real-time data where it matters most. Offering stable performance with easy digital communication interfaces, this breakout is ideal for both beginners and advanced makers. Its compatibility with popular microcontrollers and development platforms makes integration seamless for IoT applications, HVAC control, weather stations, and wellness monitoring systems. Students, hobbyists, and professionals alike will appreciate the module’s precision, low power use, and plug-and-play ease for projects requiring dependable environmental sensing. Features: SHT45 High accuracy with ±1.0% RH and ±0.1°C temperature precision Built on advanced CMOSens technology for improved accuracy and low power use Optimized for standard SMD assembly, suitable for high-volume production SGP41 Digital VOC sensor designed for indoor air quality monitoring Patented CMOSens technology with temperature-controlled micro-hotplate I²C interface for easy integration with microcontrollers Humidity compensation for accurate air quality readings Compatible with VOC algorithms for immediate IAQ evaluation

7Semi MAX31856 Universal Thermocouple Amplifier Breakout (ES-12229) The 7Semi MAX31856 Universal Thermocouple Amplifier Breakout is a versatile temperature sensing board designed to work with a wide range of thermocouple types. It allows you to measure temperatures accurately, from very low to extremely high ranges, making it suitable for both industrial and experimental applications. This breakout board converts the small voltage signals from a thermocouple into clear digital data that can be easily read by microcontrollers. With built-in cold-junction compensation and a simple digital interface, it reduces complexity and improves measurement reliability. Whether you’re working on monitoring systems, lab equipment, or advanced electronics projects, this module makes temperature measurement straightforward and dependable. Features: Supports multiple thermocouple types for universal temperature measurement High-accuracy temperature readings with built-in cold-junction compensation Digital interface for easy connection to microcontrollers Wide temperature measurement capability for low and high-temperature applications On-board signal amplification and noise filtering for stable output Compact breakout board suitable for industrial, lab, and DIY projects

Anycubic Wash & Cure 3 Max The Anycubic Wash & Cure 3 Max is a high-capacity post-processing solution designed to handle large resin prints and batch workflows with ease. Featuring an ultra-large 15.1L capacity, it supports models up to 305 × 165 × 300 mm, making it ideal for professional users and large-format resin printers. With its all-in-one design, the machine combines washing and curing into a single streamlined process, reducing manual handling and improving efficiency. Equipped with advanced spray cleaning, bottom immersion, and a powerful 360° curing system, it ensures thorough cleaning and uniform curing across all surfaces. The customizable modes allow users to adjust washing and curing times, while intelligent monitoring features enhance safety and reliability. Designed for convenience and performance, this machine significantly improves workflow while reducing solvent usage and operational effort. The massive 15.1L capacity allows users to process large models or multiple prints simultaneously, making it ideal for industrial and batch production workflows. It supports models up to 305 × 165 × 300 mm, significantly increasing efficiency and reducing the need for multiple cleaning cycles. The one-click automated system simplifies post-processing by combining washing and curing into a single operation. This reduces manual handling, minimizes mess, and ensures consistent results every time, making it highly convenient for both beginners and professionals. The machine uses a combination of spray cleaning and bottom immersion to thoroughly remove uncured resin from all surfaces. This dual approach improves cleaning efficiency while reducing solvent usage, making it both effective and cost-efficient. With a high-intensity UV system and rotating platform, the machine delivers uniform curing from all angles. The 405nm LEDs provide strong curing performance, ensuring better strength, durability, and surface finish for printed models. Intelligent Monitoring System The built-in monitoring system detects issues such as low liquid levels, blockages, or open covers, ensuring safe and reliable operation. These smart alerts help prevent errors and improve overall user experience during long processing cycles. Features: Ultra-large 15.1L cleaning and curing capacity Supports large models up to 305 × 165 × 300 mm Fully automated one-click wash and cure operation Dual cleaning system: spray + immersion High-power UV curing with 360° rotation Intelligent monitoring with safety alerts Customizable wash and cure modes IPA-saving design for cost efficiency Ideal for professional, industrial, and batch workflows.

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

Anycubic Photon P1 3D Printer The Anycubic Photon P1 is an advanced resin 3D printer engineered to deliver near-industrial precision with user-friendly operation. Featuring a high-resolution optical system with over 92% light uniformity, it ensures sharp details, smooth surfaces, and consistent curing across every layer. Its robust mechanical design, including a precision-ground steel build plate and dual-rail Z-axis system, provides exceptional stability and accuracy, making it ideal for professional-grade applications such as prototyping, dental modeling, and intricate design work. Designed for versatility and performance, the Photon P1 supports a wide range of resins, including high-viscosity industrial materials up to 8000 cps. It also introduces advanced technologies such as Wave Release for reduced peel force and a temperature-controlled resin vat for consistent printing even in challenging conditions. With optional dual-material and dual-color printing capability, it enables users to create complex models in a single print, significantly improving workflow efficiency and creative possibilities. Wave Release Technology Wave Release Technology is an advanced innovation designed to significantly improve the reliability and quality of resin 3D printing. It works by optimizing the layer separation process during printing, reducing the peel force required to detach each cured layer from the film. This reduction in force helps prevent common issues such as layer shifting, model deformation, or print failures, especially in complex or delicate designs. Precision-Fitted Industrial-Grade Ball Screw The precision-fitted industrial-grade ball screw enhances the printer’s Z-axis movement by delivering smooth, accurate, and highly stable vertical motion during the printing process. This high-quality component minimizes mechanical backlash and vibrations, ensuring consistent layer alignment and superior print accuracy even for intricate and detailed models. Its robust construction supports long-term durability and reliable performance, making it suitable for continuous industrial use. By maintaining precise positioning throughout each layer, it significantly improves surface finish and overall print quality, especially in high-resolution resin printing applications. Precision-Ground Steel Build Plate The precision-ground steel build plate is engineered to provide a perfectly flat and stable printing surface, ensuring excellent first-layer adhesion and consistent print quality. Its finely machined surface enhances grip for resin prints, reducing the chances of model detachment during the printing process. This high level of flatness and rigidity improves overall accuracy, especially for detailed and high-resolution prints. Built for durability, the steel construction withstands repeated use and maintains its precision over time, making it ideal for professional and industrial applications. Engineered for Ultra-Viscous 8000cps Resin Engineered to handle ultra-viscous resins up to 8000 cps, this feature allows the printer to work efficiently with thicker, high-performance materials that are typically challenging for standard resin printers. It ensures smooth and consistent resin flow, preventing issues like uneven curing or print defects. This capability expands material compatibility, enabling the use of specialized industrial resins for stronger, more durable, and functional prints. As a result, users can achieve higher-quality outputs with improved mechanical properties, making it ideal for advanced engineering, prototyping, and professional applications. Features: High-resolution resin printing with ultra-fine detail Dual-color and dual-material support (optional) LightTurbo 4.0 optical system for uniform curing Wave Release technology for improved reliability Supports high-viscosity industrial resins (up to 8000 cps) Temperature-controlled resin vat for stable performance Intelligent assistant for automated operation Strong and stable mechanical structure Ideal for dental, prototyping, and miniature printing.

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.

Anycubic Kobra 3 Max 3D Printer – EU power plug The Anycubic Kobra 3 Max 3D Printer – EU power plug is a high-performance large-format FDM 3D printer designed for fast, precise, and large-scale printing. With an expansive build volume, it allows users to create bigger models or multiple parts in a single print, making it ideal for professional prototyping, product design, and advanced DIY projects. Equipped with high-speed printing capabilities and intelligent automation features, it delivers consistent results with minimal manual intervention. Models Created Built for efficiency and ease of use, the printer features advanced auto bed leveling technology for perfect first layers, a stable dual-axis motion system for reduced vibrations, and a high-temperature hotend compatible with a wide range of filaments. The EU power plug ensures compatibility with standard 220–240V power systems. Whether for industrial use, educational labs, or creative projects, this 3D printer offers reliable performance and excellent print quality. 420*420*500mm Print Volume The massive 420 × 420 × 500 mm print volume of the Anycubic Kobra 3 Max enables users to create large-scale models in a single print without the need to split designs into multiple parts. This expansive build area is ideal for producing full-sized prototypes, architectural models, and functional components with greater efficiency and precision. It significantly reduces assembly time and improves structural strength since parts can be printed as one complete piece. Printing Speed Up to 600mm/s With a printing speed of up to 600 mm/s, the Anycubic Kobra 3 Max is designed to deliver rapid production without compromising on print quality. This high-speed capability significantly reduces overall printing time, allowing users to complete large models and batch prints much faster than traditional 3D printers. It is especially beneficial for professionals and businesses that require quick prototyping and efficient workflow. Despite the speed, the printer maintains stability and precision through its advanced motion system, ensuring clean layers and accurate results. Precise Auto-Leveling & Motor Anti-skip The printer features an advanced auto-leveling system that ensures the print bed is perfectly calibrated before every print, eliminating the need for manual adjustments and reducing setup time. This precise leveling improves first-layer adhesion, which is crucial for achieving high-quality and successful prints. In addition, the motor anti-skip mechanism enhances movement accuracy by preventing step loss during high-speed operations. This results in smoother motion, better layer consistency, and reduced chances of print failure. Extremely Easy to Use The printer is designed with user convenience in mind, making it extremely easy to use for both beginners and experienced users. Its intuitive interface and guided setup process allow you to get started quickly without any technical complexity. Features like automatic bed leveling and pre-configured settings reduce manual effort and minimize errors during printing. The streamlined design ensures smooth operation, while simple controls make monitoring and adjusting prints hassle-free. Features: Massive build volume for large-scale 3D printing High-speed printing capability for improved productivity Intelligent auto bed leveling system for perfect first layers High-temperature hotend supporting multiple materials Dual motor-driven axis for enhanced stability and accuracy User-friendly interface for easy operation Compatible with popular slicing software Durable and rigid frame for consistent performance Suitable for prototyping, manufacturing, and creative projects

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: