Reference

API Description

• Create a bme object and write to IIC address.

  DFRobot_BME680_I2C bme(0x77);
  

• Initialize BME680 and library

  begin();
  

• Start data converting

  startConvert();
  

• Read converted data

  update();
  

• support reading the IAQ

  supportIAQ();
  

• Start data converting with IAQ

  iaqUpdate();
  

• Query whether the IAQ conversion is complete. If Completed return 1, else return 0.

  isIAQReady();
  

• Get temperature data, unit of ℃, precision of 0.01℃

  readTemperature();
  

• Get atmosphere pressure, unit of pa, precision of 0.01pa

  readPressure();
  

• Get humidity, unit of %rh, precision of 0.01%rh

  readHumidity();
  

• Get resistance value of gas-resistance, unit of ohm, precision of 0.01ohm

  readGasResistance();
  

• Get altitude, unit of m, precision of 0.01m

  readAltitude();
  

• Get sea level atmosphere pressure reference value and send altitude data

  readSeaLevel(float altitude);
  

• Get calibrated altitude value and send atmosphere pressure reference value

  readCalibratedAltitude(float seaLevel);
  

Principle

Other Supplementary Information

• Schematics Diagram
• BME680 Datasheet
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