{"title":"Gravity: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)","handle":"gravity-bme688-ai-environmental-sensor-voc-temperature-humidity-pressure","url":"/products/gravity-bme688-ai-environmental-sensor-voc-temperature-humidity-pressure","description":"The Gravity BME688 is an advanced MEMS environmental sensor from Bosch that measures temperature, humidity, barometric pressure, and volatile organic compounds (VOC) in a single compact module. It supports both I²C and SPI interfaces via a Gravity connector, making integration with Arduino and other microcontrollers straightforward.\n\nWhat sets the BME688 apart from the earlier BME680 is its AI-driven gas analysis capability. Using the Bosch BME AI-Studio and BSEC2 Arduino Library, you can train custom gas profiles to detect and classify specific VOCs — ideal for air quality monitoring, environmental research, and industrial safety applications.\n\nKey Features\n\n\n4-in-1 Environmental Sensing – Temperature, humidity, barometric pressure, and VOC\n\nAI Gas Analysis – Train custom gas detection profiles via Bosch BME AI-Studio\n\nHigh Accuracy – ±0.5 °C temperature, ±3% RH humidity, ±0.6 hPa pressure\n\nI²C/SPI Interface – Gravity connector for plug-and-play wiring\n\nWide Voltage Support – 3.3–5 V DC\n\nBuilt-In Heater – Minimises ambient interference for stable VOC readings\n\n\nSpecifications\n\n\nSensor IC – Bosch BME688\n\nOperating Voltage – 3.3–5 V DC\n\nOperating Current – 5 mA (25 mA with VOC measurement enabled)\n\nInterface – I²C / SPI (Gravity connector)\n\nTemperature Range – −40 to +85 °C (±0.5 °C accuracy, 0–65 °C)\n\nHumidity Range – 0–100% RH (±3% RH accuracy, 20–80% RH at 25 °C)\n\nPressure Range – 300–1100 hPa (±0.6 hPa accuracy, 0–65 °C)\n\nModule Dimensions – 30 × 22 mm\n\n\nIdeal For\n\nDIY weather stations\nIndoor air quality monitoring and smart home systems\nPortable environmental monitoring devices\nAgricultural climate sensing\nScientific experiments and climate research\n\n\nResources\n\nProduct Wiki (includes pinout, tutorial, and API reference)\nBME688 Datasheet (PDF)\nSchematic (PDF)\nPCB Layout (PDF)\nBSEC2 Arduino Library (GitHub)\nBosch BME AI-Studio\n\n\nPackage Contents\n\n1× Gravity BME688 Environmental Sensor Module\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":810,"title":"Default Title","sku":"DF-SEN0617","mpn":"SEN0617","price":38.34,"compare_at_price":42.9,"on_sale":true,"in_stock":true,"available_quantity":261,"option1":"Default Title"}]}