35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
"""
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Example showing how the BMP280 library can be used to set the various
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parameters supported by the sensor.
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Refer to the BMP280 datasheet to understand what these parameters do
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"""
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import time
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import board
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import busio
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import adafruit_bmp280
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# Create library object using our Bus I2C port
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i2c = busio.I2C(board.SCL, board.SDA)
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bmp280 = adafruit_bmp280.Adafruit_BMP280_I2C(i2c)
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# OR create library object using our Bus SPI port
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# spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
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# bmp_cs = digitalio.DigitalInOut(board.D10)
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# bmp280 = adafruit_bmp280.Adafruit_BMP280_SPI(spi, bmp_cs)
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# change this to match the location's pressure (hPa) at sea level
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bmp280.sea_level_pressure = 1013.25
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bmp280.mode = adafruit_bmp280.MODE_NORMAL
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bmp280.standby_period = adafruit_bmp280.STANDBY_TC_500
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bmp280.iir_filter = adafruit_bmp280.IIR_FILTER_X16
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bmp280.overscan_pressure = adafruit_bmp280.OVERSCAN_X16
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bmp280.overscan_temperature = adafruit_bmp280.OVERSCAN_X2
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# The sensor will need a moment to gather inital readings
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time.sleep(1)
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while True:
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print("\nTemperature: %0.1f C" % bmp280.temperature)
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print("Pressure: %0.1f hPa" % bmp280.pressure)
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print("Altitude = %0.2f meters" % bmp280.altitude)
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time.sleep(2)
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