M5Stack Temperature, Humidity, Pressure and Gas Sensor (BME688)
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M5Stack Temperature, Humidity, Pressure and Gas Sensor (BME688)
ENV Pro Unit is an environmental sensor that utilizes the BME688 sensor solution, supporting the measurement of various environmental parameters such as volatile organic compounds (VOCs), indoor air quality (IAQ), temperature, humidity, and atmospheric pressure. It features a compact size, wide operating range, simple communication interface (I2C), excellent performance, and low power consumption, making it suitable for weather stations, indoor environmental monitoring, and air quality detection applications.
ENV Pro Unit can operate in environments ranging from 300hPa to 1100hPa of pressure, 0% to 100% humidity, and -40°C to 85°C temperature, covering sea-level to high-altitude regions, and is resistant to dryness, humidity, cold, and heat in various extreme conditions.
Compared to the previous ENV series products, the ENV Pro Unit measures temperature, humidity, and atmospheric pressure and includes the capability to measure VOCs and perform gas scanning. It offers outstanding sensitivity with a detection range down to parts per billion (ppb) level. Based on specific application requirements, the gas scanning functionality can be customized for sensitivity, selectivity, data rate, and power consumption.
Users can utilize the BME AI-Studio tool to train the ENV Pro Unit for specific applications such as home appliances, IoT products, or smart homes. It allows for digital output of various data parameters such as air quality index (IAQ), volatile organic compounds (VOC) and CO2 equivalent (ppm), gas scanning results (%), and intensity level (%), facilitating AI data analysis.
Features
- Highly integrated sensors
- I2C Communication
- High precision and low power consumption
- real-time monitoring
- Multi-platform programming Arduino UIFlow
Includes
- 1x ENV Pro Unit
- 1x Grove Cable (20cm)
Applications
- Indoor and outdoor air quality measurement
- Detect leaks or fires
- Agricultural temperature and humidity detection
Specification
| Resources | Parameters |
|---|---|
| Key parameters of gas sensor | Standard scanning speed: 10.8s |
| Key parameters of humidity sensing | Response time（τ 0-63%）: 8 seconds Accuracy: ±3%R.H measuring range：0 ~ 100% R.H. |
| Key parameters of atmospheric pressure sensing | Square root noise value: 0.12Pa, equal to 1.7cm altitude Offset temperature coefficient: ± 1.3Pa /K, equal to ± 10.9cm altitude (1°C temperature change) measuring range：300 ~ 1100 hPa |
| Key parameters of temperature sensing | Absolute accuracy: ±0.5 °C (0-65 °C) measuring range：-40 ~ +85 °C |
| Product Size | 32*24*8mm |
| Package Size | 136* 92*8mm |
| Product Weight | 3.9g |
| Package Weight | 9.5g |
Examples
Arduino
UIFlow
UIFlow Blocks
Effective Date: March 27, 2025
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