Fermion: BME680 Environmental Sensor (Breakout)
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Description
The Fermion BME680 is a compact 4-in-1 MEMS environmental breakout board that measures volatile organic compounds, atmospheric pressure, humidity, and temperature. Designed for indoor air quality tracking, weather stations, and IoT devices, it delivers multi-parameter monitoring in a miniature footprint. It is ideal for students, hobbyists, and engineers creating smart home or wearable applications.
Four-in-one environmental monitoring
The sensor integrates temperature, relative humidity, barometric pressure, and VOC gas detection into a single MEMS module. It tracks indoor air quality across an index range of 0 to 500 to identify ambient pollutants.
Wide operating range and accuracy
The module measures temperatures from -40°C to +85°C with ±1.0°C accuracy from 0°C to 65°C, and relative humidity across 0 to 100% r.H. It also detects air pressure from 300 to 1100 hPa with ±0.6 hPa precision.
Flexible communication interfaces
The breakout supports both I2C (default address 0x76) and SPI communication modes. An onboard voltage regulator and logic-level translation circuit allow direct I2C connection to both 3.3V and 5V development boards.
Low power operation
Operating from an input voltage of 3.3V to 5.5V, the board draws approximately 5mA during standard use and 25mA during active VOC sensing. This makes it well suited for energy-conscious IoT and portable monitoring projects.
Compact breakout design
Measuring just 18 mm by 15.6 mm, the module is engineered for easy installation in tight spaces. Standard 2.54 mm pitch pin breakouts allow quick integration into breadboards and custom circuits.
Included hardware
The package includes one BME680 environmental sensor module, one 4-pin 2.54 mm header, and one 6-pin 2.54 mm header.
Downloads & documentation
Specifications
| Input Voltage | 3.3V~5.5V |
| Operating Current | 5mA (25mA in VOC Measurement) |
| Communication Interface | I2C(Support 3.3V/5V) or SPI(other non-I2C ports only support 3.3V) |
| Default I2C Address | 0x76 |
| Temperature Measurement Range | -40℃~+85℃ |
| Temperature Measurement Precision | ±1.0℃(0~65℃) |
| Humidity Measurement Range | 0-100%r.H. |
| Humidity Measurement Precision | ±3%r.H.(20-80% r.H.,25℃) |
| Atmospheric Pressure Measurement Range | 300-1100hPa |
| IAQ (Indoor Air Quality) Range | 0~500 (the larger, the worse) |
| Dimension | 18×15.6(mm) /0.71x0.61(inches) |
In the box
| BME680 Environmental Sensor Module | 1 |
| 2.54 Single Row 4PIN Connector | 1 |
| 2.54 Single Row 6PIN Connector | 1 |
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