Waveshare BME680 Environmental Sensor Supports Temperature Humidity Barometric Pressure Gas Detection 1. Onboard BME68X sensor to measure temperature, humidity, barometric pressure and gas 2. Support I2C interface communication, can set I2C address, support I2C bus cascading 3. Support SPI interface communication, the default is I2C interface, SPI can be enabled through CS chip selection 4. On-board level conversion circuit, compatible with 3.3V5V working level 5. Provide complete supporting information manuals (RaspberryPiPicoArduinoESP32 sample programs and user manuals, etc.) Parameter: 1. Function: BME680 can detect atmospheric pressure, ambient temperature, relative humidity, VOC gas change detection (combined with Bosch software package, can calculate IAQ air quality coefficient), BME688 can detect atmospheric pressure, ambient temperature, relative humidity, VOC and VSC Gas change detection (combined with Boschs software package, which can calculate IAQ air quality coefficient and integrate AI function) 2. Communication interface: I2C and SPI 3. Temperature measurement range: -40~85 degrees Celsius 4. Temperature measurement accuracy: BME680: +-1.0 degrees Celsius (0~65 degrees Celsius), BME688: +-0.5 degrees Celsius (0~65 degrees Celsius) 5. Humidity measurement range: 0~100%RH 6. Humidity measurement accuracy: +-3%RH 7. Air pressure measurement range: 300~1100 hPa 8. Air pressure measurement accuracy: +-0.6hPa (0~65 degrees Celsius) 9. Gas measurement: BME680: VOC gas change detection, BME688: VOC and VSC gas change detection 10. Product size: 27 × 20mm Packing list: -Environment sensor x 1 -PH2.0 6PIN cable 20cm × 1