M5Stack Temperature, Humidity, Pressure and Gas Sensor (BME688)

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The ENV Pro Unit is an advanced environmental sensor powered by the BME688 sensor solution. This compact unit is capable of measuring a comprehensive range of environmental paramet ers, including volatile organic compounds (VOCs), indoor air quality (IAQ), temperature, humidity, and atmospheric pressure. Its small footprint, broad operating range, simple I2C communication interface, superior performance, and low power consumption make it an ideal choice for weather stations, indoor environmental monitoring, and air quality detection systems. Designed for versatility, the ENV Pro Unit operates reliably across an impressive range of environmental conditions: from 300hPa to 1100hPa pressure, 0% to 100% humidity, and -40°C to 85°C temperature. This robust performance ensures functionality from sea-level to high-altitude regions, enduring diverse extreme conditions including dryness, humidity, cold, and heat. Distinguishing itself from previous ENV series products, the ENV Pro Unit not only measures temperature, humidity, and atmospheric pressure but also integrates advanced capabilities for VOC measurement and gas scanning. It offers exceptional sensitivity, detecting gases down to the parts per billion (ppb) level. The gas scanning functionality is highly customizable, allowing users to tailor sensitivity, selectivity, data rate, and power consumption to meet specific application requirements. Users can leverage the BME AI-Studio tool to train the ENV Pro Unit for specialized applications in areas such as home appliances, IoT products, or smart homes. It provides digital output for various parameters, including air quality index (IAQ), volatile organic compounds (VOC) and CO2 equivalent (ppm), as well as gas scanning results (%) and intensity levels (%). This rich data output facilitates advanced AI data analysis for smarter environmental insights. Key Features Highly integrated environmental sensors Standard I2C communication protocol Exceptional precision and low power consumption Real-time monitoring capabilities Multi-platform programming support (Arduino, UIFlow) Package Contents 1x ENV Pro Unit 1x Grove Cable (20cm) Applications Indoor and outdoor air quality measurement Leak or fire detection systems Agricultural temperature and humidity monitoring Technical Specifications Parameter Value Gas Sensor Scanning Speed Standard: 10.8s Humidity Sensing Response Time (τ 0-63%) 8 seconds Humidity Sensing Accuracy ±3% R.H. Humidity Measuring Range 0 ~ 100% R.H. Atmospheric Pressure Square Root Noise Value 0.12Pa (equivalent to 1.7cm altitude) Atmospheric Pressure Offset Temperature Coefficient ± 1.3Pa /K (equivalent to ± 10.9cm altitude per 1°C change) Atmospheric Pressure Measuring Range 300 ~ 1100 hPa Temperature Absolute Accuracy ±0.5 °C (0-65 °C) Temperature Measuring Range -40 ~ +85 °C Product Size 32 x 24 x 8mm Package Size 136 x 92 x 8mm Product Weight 3.9g Package Weight 9.5g Examples & Resources Arduino ENV PRO Unit Arduino Demo (Read temperature, humidity, pressure, and indoor air quality values) Bosch BME688 Official Library Document Bosch BME688 Official Detection and Analysis PC Tools UIFlow ENV PRO Unit UIFlow Case (Read temperature, humidity, pressure, gas, etc.) UIFlow Blocks UIFlow2.0 This tutorial will guide you on initializing the configuration using the UIFlow2.0 graphical programming platform. ENV PRO Programming Guide Show more