SparkFun Environmental Combo Breakout - ENS160/BME280 (Qwiic)

Sparkfun ElectronicsSKU: RB-Spa-2221
Manufacturer #: SEN-22858

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  • SparkFun Environmental Combo Breakout - ENS160/BME280 (Qwiic)
  • Offers a variety of environmental data
  • Features Air Quality Index, eCO2, and TVOC readings
  • Provides data on humidity, temperature, and barometric pressure
  • Ideal for smart home technology, HVAC systems, and health monitoring

The SparkFun Environmental Combo Breakout - ENS160/BME280 (Qwiic) is a distinctive breakout that offers a variety of environmental data. This includes Air Quality Index (AQI), Total Volatile Organic Compounds (TVOCs), equivalent CO2 (eCO2) levels, barometric pressure, humidity, and temperature. The communication is conducted solely via I2C, using the Qwiic system.

The ENS160 serves as the successor to the widely used CCS811 sensor, offering readings for equivalent CO2 (eCO2) in parts per million (PPM) and total volatile organic compounds in parts per billion (PPB). An additional feature of the ENS160 is its ability to refine its readings if it can access the current humidity and temperature.

The BME280, on the other hand, provides data on humidity, temperature, and barometric pressure. This allows the sensors to collaborate and deliver more precise readings. The Environmental Combo Breakout is perfect for applications such as building automation, smart home technology, HVAC systems, indoor/outdoor navigation, weather prediction, and even personal health and wellness monitoring.

The I2C address of the Environmental Combo Breakout is 0x53 / 0x77, which can be selected via a jumper to 0x52 / 0x76. To communicate with multiple Environmental Combo Breakout sensors on a single bus, a multiplexer/Mux is necessary.

  • 1x SparkFun Environmental Combo Breakout - ENS160/BME280 (Qwiic)
  • 1 x 1 inch / 25.4 x 25.4 mm

  • 2x Qwiic-Enabled Connectors
  • Input Voltage Range:
    • Typically 3.3 V via Qwiic cable


  • I2C Addresses: 0x53 (Default) or 0x52
  • Wide Operating Ranges:
    • VDD: 1.71 to 1.98 V
    • VDDIO: 1.71 to 3.6 V
    • Temperature: -40 to +85 °C
    • Humidity: 5% to 95% (non-condensing)
  • IAQ standard compliance for AQI, eCO2, and TVOC
    • Air Quality Index - Umweltbundesamt (AQI-UBA)
      • Range: 1 to 5
      • Resolution: 1
    • Equivalent Carbon Dioxide (eCO2)
      • Range: 400 to 65,000 ppm
      • Resolution: 1 ppm
    • Total Volatile Organic Compound (TVOC)
      • Range: 0 to 65,000 ppb
      • Resolution: 1 ppb
  • Immunity to humidity and ozone
    • Superior output stability over the whole temperature and relative humidity operating ranges
    • Effective ozone compensation
  • Independent sensor heater control for highest VOC selectivity and outstanding background discrimination


  • VDD: 1.71 to 3.6 V
  • VDDIO: 1.2 to 3.6 V
  • I2C Addresses: 0x77 (Default) or 0x76
  • Temperature
    • Operating Range: -40 to 85 °C
    • Full accuracy to ± 0.5 °C from -0 to 65 °C
    • Resolution: 0.01 °C
  • Humidity
    • Operating Range: 0% to 100% RH
    • Accurate to ±3% from 20% -80% RH
    • Resolution: 0.008%RH
  • Pressure
    • Operating Range: 30,000 Pa to 110,000 Pa
    • Absolute Accuracy of ±100 Pa
    • Relative Accuracy of ±12 Pa
    • Resolution: 0.18 Pa
  • Altitude Range:
    • 0ft to 30,000 ft (9.2 km)
    • Relative accuracy of 3.3 ft (1m) at sea level, 6 ft (2 m) at 30,000 ft
  • Power LED
  • 1.8 V AP2127K Voltage Regulator (for ENS160)
  • 2.2kΩ Pull-up Resistors
  • Jumpers
    • Power LED
    • I2C Pullup Resistors
    • Selectable Addresses:
      • ENS160: 0x53 (Default) or 0x52
      • BME280: 0x77 (Default) or 0x76
  • Weight: 2.50 g

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