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Fermion: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)
· MPN: SEN0629
The BME688 AI Environmental Sensor is a highly advanced MEMS sensor that combines temperature, humidity, barometric pressure, and VOC detection in a s...
The BME688 AI Environmental Sensor is a highly advanced MEMS sensor that combines temperature, humidity, barometric pressure, and VOC detection in a single, compact package. Featuring ±0.5°C temperature accuracy, ±3% humidity accuracy, and ±0.6 hPa pressure accuracy, it offers reliable environmental monitoring for a variety of applications. With support for I2C and SPI communication, the sensor is compatible with Arduino, Raspberry Pi, ESP32, and ESP8266, making it an excellent choice for indoor air quality tracking, smart home automation, industrial safety, and AI-driven environmental research.
AI-Driven Gas Analysis
The BME688 takes air quality sensing to the next level with Bosch’s BME AI-Studio and the BSEC2-Arduino library. This allows users to train custom AI models for detecting specific gas profiles, making it an ideal tool for air quality monitoring, industrial leak detection, and environmental studies. Unlike its predecessor, the BME680, the BME688 directly feeds data into AI algorithms, unlocking new possibilities in smart sensing.
High-Precision Environmental Sensing
Equipped with improved temperature compensation, the BME688 delivers highly accurate readings with a temperature accuracy of ±0.5°C. This level of precision makes it well-suited for scientific research, climate studies, and industrial monitoring where reliable environmental data is critical.
Advanced Air Quality Monitoring
Designed for real-time air quality assessment, the BME688 can detect volatile organic compounds (VOCs) and other airborne pollutants. Its integrated heating element ensures stable and accurate readings by reducing external environmental interference. Whether for smart homes or industrial applications, this sensor provides crucial insights into indoor air quality.
Applications
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Indoor Air Quality Monitoring: Detect VOCs and assess air quality in homes and offices.
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Weather Stations: Measure temperature, humidity, and pressure for meteorological applications.
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IoT Projects: Integrate into smart devices for environmental monitoring.
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Gas Leak Detection: Identify hazardous gas leaks in industrial environments.
Specifications
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Operating Voltage: 3.3–5V DC (SPI supports only 3.3V)
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Operating Current: 5mA (25mA when VOC measurement is enabled)
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Output Interface: I2C/SPI
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Temperature Range: -40°C to +85°C
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Temperature Accuracy: ±0.5°C (0–65°C)
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Humidity Range: 0-100% R.H.
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Humidity Accuracy: ±3% R.H. (20-80% R.H. @ 25°C)
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Barometric Pressure Range: 300-1100 hPa
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Pressure Accuracy: ±0.6 hPa (300-1100 hPa @ 0-65°C)
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Module Size: 18 × 15.6 mm (0.71 × 0.61 inches)
Documents
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Product Wiki
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Pinout Diagram
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Tutorial
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Arduino Library API List
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Compatibility Test Report
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Schematic & PCB Layout
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Dimensions
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BME688 Datasheet
Shipping List
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Fermion: I2C BME688 Environmental Sensor ×1
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XH2.54-10pin Header ×1
Jargon buster
Plain-language definitions for the technical terms used above.
- API
- An API is a software interface that lets a program control hardware or features provided by the operating system. In this product, API support matters if you want your software to adjust display settings such as brightness or contrast automatically.
- BME680
- A Bosch environmental sensor chip that measures temperature, humidity, air pressure, and gas-related air quality changes. Seeing BME680 tells you this breakout is built around a specific all-in-one sensor, so you can check library support, accuracy, and datasheet details for that chip.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- PCB
- A printed circuit board is a rigid board with copper tracks that connect electronic parts without loose wires. For this kit, the PCBs also form the airplane shape, so they are both the circuit base and part of the finished model.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
- Temperature compensation
- Temperature compensation means the sensor adjusts its readings to reduce errors caused by changes in water temperature. This matters for field monitoring because ponds, rivers, and tanks can vary in temperature throughout the day and across seasons.
- VOC
- Volatile organic compounds are gases released from things like paints, cleaners, smoke, and some plastics. A VOC reading helps indicate indoor air quality, but it is usually an index or estimate rather than a direct identification of each chemical.
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