51 lines
1.1 KiB
Python
Executable File
51 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python
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import bme680
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print("""temperature-offset.py - Displays temperature, pressure, and humidity with different offsets.
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Press Ctrl+C to exit!
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""")
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try:
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sensor = bme680.BME680(bme680.I2C_ADDR_PRIMARY)
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except IOError:
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sensor = bme680.BME680(bme680.I2C_ADDR_SECONDARY)
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# These oversampling settings can be tweaked to
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# change the balance between accuracy and noise in
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# the data.
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sensor.set_humidity_oversample(bme680.OS_2X)
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sensor.set_pressure_oversample(bme680.OS_4X)
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sensor.set_temperature_oversample(bme680.OS_8X)
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sensor.set_filter(bme680.FILTER_SIZE_3)
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def display_data(offset=0):
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sensor.set_temp_offset(offset)
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sensor.get_sensor_data()
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output = '{0:.2f} C, {1:.2f} hPa, {2:.3f} %RH'.format(
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sensor.data.temperature,
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sensor.data.pressure / 100.0,
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sensor.data.humidity)
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print(output)
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print('')
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print('Initial readings')
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display_data()
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print('SET offset 4 degrees celsius')
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display_data(4)
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print('SET offset -1.87 degrees celsius')
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display_data(-1.87)
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print('SET offset -100 degrees celsius')
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display_data(-100)
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print('SET offset 0 degrees celsius')
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display_data(0)
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