{"title":"Adafruit BME680 - Temperature, Humidity, Pressure and Gas Sensor","handle":"adafruit-bme680-temperature-humidity-pressure-and-gas-sensor","url":"/products/adafruit-bme680-temperature-humidity-pressure-and-gas-sensor","description":"The BME680 from Bosch delivers comprehensive environmental sensing in a single compact package. This precision sensor measures temperature, humidity, barometric pressure, and VOC gas levels, all accessible over I2C or SPI.\n\nIn addition to standard environmental readings, the BME680 includes a small MOX (metal oxide) sensor that changes resistance based on volatile organic compounds in the air. This enables detection of gases and alcohols such as ethanol and carbon monoxide, making it suitable for air quality monitoring. Note that it provides a single overall VOC resistance value and cannot differentiate between individual gases.\n\nKey Features\n\n\nTemperature – ±1.0°C accuracy\n\nHumidity – ±3% relative humidity accuracy\n\nBarometric Pressure – ±1 hPa absolute accuracy\n\nAltimeter – ±1 metre accuracy (derived from pressure)\n\nVOC Gas Sensor – Heated MOX element for volatile organic compound detection\n\nDual Interface – I2C and SPI communication\n\nVoltage Range – 3.3V or 5V operation via onboard regulator and level shifting\n\n\nAlso Available\n\n\nAdafruit BME688 – Drop-in replacement with programmable heater for odour analysis\n\nAdafruit BME280 – Temperature, humidity, and pressure (no gas sensing)\n\n\nIdeal For\n\nIndoor air quality monitoring\nWeather stations and environmental logging\nIoT environmental sensing projects\nAltitude estimation applications\n\n\n\nNote: Like all VOC/gas sensors, the BME680 has variability and should be calibrated against known sources for precise measurements. Run the sensor for 48 hours on first use to \"burn it in\", then allow 30 minutes of warm-up each time it is powered on.\n\n\nPackage Contents\n\n1× Adafruit BME680 breakout board with headers\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":6634,"title":"Default Title","sku":"AF-3660","price":38.07,"on_sale":false,"in_stock":true,"available_quantity":100,"option1":"Default Title"}]}