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Air Temperature Humidity Barometric Pressure BME280 I2C SPI Sensor Module

Price=800
B110
Out of stock
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The BME280 is as combined digital humidity, pressure and temperature sensor based on proven sensing principles. The sensor module is housed in an extremely compact metal-lid LGA package with a footprint of only 2.5 × 2.5 mm² with a height of 0.93 mm. Its small dimensions and its low power consumption allow the implementation in battery driven devices such as handsets, GPS modules or watches. The BME280 is register and performance compatible to the Bosch Sensortec BMP280 digital pressure sensor

Key Features:

  • Package- 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
  • Digital interface- I²C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
  • Supply voltage
        • VDD main supply voltage range: 1.71 V to 3.6 V
        • VDDIO interface voltage range: 1.2 V to 3.6 V
  • Current consumption 1.8 µA @ 1 Hz humidity and temperature
        • 2.8 µA @ 1 Hz pressure and temperature
        • 3.6 µA @ 1 Hz humidity, pressure and temperature
        • 0.1 µA in sleep mode
  • Operating range: -40…+85 °C, 0…100 % rel. humidity, 300…1100 hPa
  • Humidity sensor and pressure sensor can be independently enabled / disabled
  • Register and performance compatible to Bosch Sensortec BMP280 digital pressure sensor
  • RoHS compliant, halogen-free, MSL

Key parameters for humidity sensor:

  • Response time: 1 s
  • Accuracy tolerance: ±3 % relative humidity
  • Hysteresis: ±1% relative humidity

Key parameters for pressure sensor:

  • RMS Noise: 0.2 Pa, equiv. to 1.7 cm
  • Offset temperature coefficient: ±1.5 Pa/K, equiv. to ±12.6 cm at 1 °C temperature change

Typical applications:

  • Context awareness, e.g. skin detection, room change detection
  • Health monitoring / well-being
    • Warning regarding dehydration or heat stroke
    • Spirometry (measurement of lung volume and air flow)
  • Home automation control
    • control heating, venting, air conditioning (HVAC)
  • Internet of things
  • GPS enhancement (e.g. time-to-first-fix improvement, dead reckoning, slope detection)
  • Indoor navigation (change of floor detection, elevator detection)
  • Outdoor navigation, leisure and sports applications
  • Weather forecast
  • Vertical velocity indication (rise/sink speed)

BME280 Datasheet

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