Troubleshooting i2c connection on adafruit BMP280 sensor. It is intended for indoor air quality monitoring in personal devices such as watches and phones, but we've put it on a. The CCS811 Air Quality Breakout is a digital gas sensor solution that senses a wide range of Total Volatile Organic Compounds (TVOCs), including equivalent carbon dioxide (eCO 2) and metal oxide (MOX) levels. Bme280 fritzing BME280 Luftdruck-, Luftfeuchtigkeits- und Temperatursensor