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 BME688 Environmental Sensor Breakout with Gas, Temperature, Humidity & Pressure Monitoring The 7Semi BME688 Environmental Sensor Breakout is a next-generation module designed for creators, engineers, and researchers looking to capture highly accurate environmental data in one compact board. Built using Bosch Sensortec’s advanced technology, it measures temperature, humidity, barometric pressure, and a wide range of gases - including VOCs, VSCs, CO, and hydrogen. With AI-enabled gas scanning, this sensor offers unmatched flexibility and precision, making it ideal for air quality monitoring, IoT devices, and smart home automation. This tiny board brings premium reliability, fast response times, and long-term stability to any embedded setup. Thanks to support for both I2C and SPI interfaces, the BME688 integrates easily with platforms like Arduino, ESP32, and Raspberry Pi. Whether you’re building an indoor air quality tracker, creating a wearable environmental sensor, or developing research-grade monitoring equipment, this module delivers the depth of data you need. With intelligent gas detection powered by machine learning and a wide operating range, the BME688 excels in environmental sensing, embedded electronics, and modern IoT applications without adding bulk or complexity. Features: Delivers 4-in-1 sensing capabilities with precise measurement of temperature, humidity, atmospheric pressure, and multiple gases in a single compact module. Features AI-enabled gas scanning that detects VOCs, VSCs, carbon monoxide, hydrogen, and other gases using machine-learning-based profiling. Provides high accuracy, low drift, and rapid response speeds for dependable long-term environmental monitoring. Offers flexible integration with both I2C and SPI interfaces for seamless compatibility across microcontrollers and embedded systems. Compact, lightweight design makes it suitable for portable devices, IoT deployments, smart home systems, and environmental research setups. Allows custom tuning of sampling rates, power consumption, and gas sensitivity for specialised applications. Backed by Bosch Sensortec’s reputation for durability, ensuring stability and reliable performance in continuous operation. BME688 4-in-1 Air Quality Sensor Breakout Dimensions: BME688 4-in-1 Air Quality Sensor Breakout Pinouts:

7Semi BMP585 I2C Pressure Sensor Breakout Module The 7Semi BMP585 I2C Pressure Sensor Breakout Module is a high-precision sensor designed to measure atmospheric pressure with exceptional accuracy, covering a range of 300–1250 hPa. This BMP585 Pressure Sensor combines low power consumption with compact design, making it perfect for mobile devices, battery-powered systems, and IoT projects. With both I2C and SPI interface support, it can be easily integrated into various electronics projects, enabling applications such as altimetry, weather monitoring, indoor navigation, and environmental sensing. Its reliable performance ensures accurate readings in real-time, making it an essential component for makers and engineers seeking precise pressure measurement. Features: Exceptional pressure sensing resolution at 1/64 Pa and accuracy of ±0.5 hPa provide highly precise data. Wide Pressure and Temperature Range: Measures pressure from 30 to 125 kPa and temperature from -40°C to 85°C, ensuring versatility in a variety of applications. Flexible Data Communication: Compatible with both I2C (up to 1MHz) and SPI (up to 12MHz) protocols, allowing enabling easy integration into a variety of systems. Programmable features include variable oversampling, a FIFO buffer (stores up to 32 samples), low-pass filtering, and 6 bytes of user-programmable non-volatile memory. Energy-Efficient Operation: Provides five operational modes with minimal power usage (1.5µA in Deep Standby and 260µA peak during measurements). Compact Design: A small breakout board with pin spacing of 0.1" allows for simple soldering and connecting.

BMP180 Pressure Sensor Module BMP180 Digital Barometric Pressure Sensor Module compatible with Arduino will Measure the absolute pressure of the environment using a digital barometer such as this has some interesting applications. By converting the pressure measured into altitude, you have a reliable pressure sensor for determining the height of your robot, plane or projectile! Using a sensor as capable as the BMP180 you can achieve an accuracy of 1m, with the noise of only 17cm in ultra-high resolution noise. The device will operate at the only 0.3uA meaning low current draw for battery-powered applications. The BMP180 comes fully calibrated and ready to use. As the device operates over I2C we’ve added optional I2C pull-ups that can be enabled using the PU (pull up) jumper on the board for your convenience and ease during breadboarding. Using I2C, the device provides pressure and temperature as 16bit values, which are used along with calibration data within the device are used to provide a temperature compensated altitude calculation. check out : BMP180 Pressure Sensor Module (Pack of 25)

DFRobot Gravity Analog Water Pressure Sensor Module The Gravity Analog Water Pressure Sensor is a simple yet powerful tool that helps you monitor water systems by detecting both the presence of water and measuring its pressure. This DFRobot sensor uses a standard Gravity 3-pin interface that makes it compatible with Arduino and similar microcontrollers. It works with 5V input voltage and provides a linear output voltage between 0.5V and 4.5V that corresponds to the pressure level. When used with a Gravity IO Expansion Shield, you can connect this sensor directly to your Arduino board without any complicated wiring, making it perfect for beginners and students working on water monitoring projects. This versatile liquid pressure monitor can be the foundation of many practical applications. By combining it with components like solenoid valves and water turbine generators, you can build complete smart water systems for homes, gardens, or farms. The sensor works like a stethoscope for water pipes, helping you diagnose water flow issues and monitor pressure levels in real-time. With its waterproof design, it can be used in various environments including indoor plumbing, outdoor water sources like rivers and lakes, and water storage tanks. This makes it an excellent choice for smart home control systems, Internet of Things (IoT) projects, and equipment monitoring applications where water pressure data is important. Features Pressure measurement range from 0 to 1.6 MPa for wide application possibilities High accuracy of 0.5% for reliable measurements in critical applications Waterproof rating of IP68 allowing use in fully submerged conditions Fast response time of less than 2.0 ms for real-time monitoring G1/4 thread with included G1/2 to G1/4 adapter for easy installation Operating temperature range from -20°C to 85°C for various environments Impressive service life of over 10 million measurements for long-term reliability DFRobot Gravity Analog Water Pressure Sensor Interfacing with Arduino Connection Diagram

BMP180 Pressure Sensor Module BMP180 Digital Barometric Pressure Sensor Module compatible with Arduino will Measure the absolute pressure of the environment using a digital barometer such as this has some interesting applications. By converting the pressure measured into altitude, you have a reliable pressure sensor for determining the height of your robot, plane or projectile! Using a sensor as capable as the BMP180 you can achieve an accuracy of 1m, with the noise of only 17cm in ultra-high resolution noise. The device will operate at the only 0.3uA meaning low current draw for battery-powered applications. The BMP180 comes fully calibrated and ready to use. As the device operates over I2C we’ve added optional I2C pull-ups that can be enabled using the PU (pull up) jumper on the board for your convenience and ease during breadboarding. Using I2C, the device provides pressure and temperature as 16bit values, which are used along with calibration data within the device are used to provide a temperature compensated altitude calculation.

MPX10DP Differential Pressure Sensor The MPX10DP Differential Pressure Sensor consists of a pressure-sensitive element to determine the actual pressure applied to the sensor and some components to convert this information into an output signal. The MPX10DP Pressure Sensor is a dual-port uncompensated Silicon Pressure Sensor for environmental control systems and level indicators. The MPX10 series silicon piezoresistive pressure sensor provides a very accurate and linear voltage output, directly proportional to the applied pressure. This standard uncompensated sensor permits manufacturers to design and add their own external temperature compensation and signal conditioning networks. This sensor has on-chip temperature compensation and is laser-calibrated. As the output voltage is linear with the pressure the signal is particularly easy to interpret. check out : Differential Pressure Transmitter for Variable Air Volume(VAV) Connection Diagram with Arduino: Features: Dual-port uncompensated Silicon Pressure Sensor Accurate and linear voltage output proportional to applied pressure On-chip temperature compensation and laser calibration Easy interpretation of output voltage Suitable for flow measurement, level indicators, pressure-operated switches, and weather stations Applications: Flow measurement Level indicators Air Movement Control Pressure-operated switches Weather stations Pneumatic Control Systems

SmartElex Atmospheric Sensor Breakout – BME280 Temperature, Humidity & Pressure Sensor Module The SmartElex Atmospheric Sensor Breakout is a compact and reliable module designed to measure temperature, humidity, and air pressure with high accuracy. Built around the powerful BME280 sensor, this 3-in-1 sensor module makes it easy to monitor environmental conditions in real time. Perfect for weather stations, IoT systems, and smart home devices, this environmental sensor breakout delivers precise readings while consuming very little power. It supports both I2C and SPI communication interfaces, making it simple to connect with popular boards like Arduino, ESP32, or Raspberry Pi. Whether you’re building an automation project or a DIY weather monitor, this temperature, humidity, and pressure sensor breakout provides reliable performance and easy integration. It’s a great choice for makers, students, and developers who want accurate environmental data in a small and efficient module. Features: 3-in-1 Environmental Sensor: Accurately measures temperature, humidity, and barometric pressure using the BME280 sensor. High Precision Readings: Provides stable and accurate data for weather monitoring and environmental analysis. I2C & SPI Compatible: This I2C SPI environmental sensor module easily interfaces with Arduino, ESP32, Raspberry Pi, and other microcontrollers. Compact Design: Small and lightweight, making it perfect for embedded systems, IoT devices, and portable applications. Low Power Consumption: Efficient sensor design ensures reliable long-term use in battery-powered projects. Easy to Integrate: Ideal for beginners and professionals working on DIY weather stations, home automation, or environmental monitoring systems.

SmartElex BME280 Atmospheric Pressure Sensor Breakout Board The SmartElex BME280 Atmospheric Pressure Sensor Breakout Board is a compact and versatile solution for monitoring environmental conditions with high precision. Featuring the advanced BME280 sensor, it measures atmospheric pressure, humidity, and temperature efficiently, making it perfect for weather stations, home automation systems, and IoT-based environmental projects. This BME280 breakout supports both I2C and SPI communication, ensuring easy integration with microcontrollers like Arduino and Raspberry Pi. With its low power consumption and wide operating range (30kPa to 110kPa), this breakout board is designed to deliver accurate data for indoor and outdoor applications without occupying much space. Features: BME280: Barometric Pressure, Humidity, and Temperature Sensor Operating Voltage: 3.3V I2C and SPI Communication Interface Temperature Range: -40C to 85C. Humidity Range: 0 - 100% RH, -3% from 20 to 80% Pressure Range: 30,000Pa to 110,000Pa; relative accuracy of 12Pa; absolute precision of 100Pa. Altitude Range: 0 to 30,000 ft (9.2 km) with relative accuracy of 3.3 ft (1 m) at sea level and 6.6 (2 m) at 30,000 ft. Incredibly small

SmartElex LPS22 Pressure Sensor The SmartElex LPS22 Pressure Sensor is a compact and reliable pressure sensor designed to measure air pressure accurately in electronic systems. It helps users capture environmental pressure data for monitoring and analysis, making it suitable for students, makers, educators, and engineers working on sensing and measurement projects. This air pressure sensor is ideal for learning, experimentation, and early-stage product development where stable and consistent pressure readings are required. This pressure sensor is widely used in IoT devices, robotics, weather monitoring systems, and automation applications that rely on environmental data. It integrates easily with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick setup and smooth communication for prototyping and testing. With dependable performance and simple integration, the SmartElex LPS22 sensor is well suited for educational labs, DIY electronics projects, and embedded systems development. Features: Compact pressure sensor for accurate air pressure measurement Digital air pressure sensor with stable and consistent output Breakout board design for easy handling and quick prototyping Simple digital interface for reliable data communication Compatible with Arduino, Raspberry Pi, and ESP32 boards Ideal for IoT, robotics, and environmental monitoring projects