Add UVI, Lux, and Window Transmission Factor #3
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ladyada
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Mar 16, 2021
adafruit-adabot
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Mar 20, 2021
Updating https://github.com/adafruit/Adafruit_CircuitPython_ESP32SPI to 3.5.7 from 3.5.6: > Merge pull request adafruit/Adafruit_CircuitPython_ESP32SPI#128 from adafruit/anecdata-patch-2 > Merge pull request adafruit/Adafruit_CircuitPython_ESP32SPI#126 from adafruit/anecdata-patch-1 Updating https://github.com/adafruit/Adafruit_CircuitPython_LTR390 to 1.1.0 from 1.0.3: > Merge pull request adafruit/Adafruit_CircuitPython_LTR390#3 from CedarGroveStudios/main Updating https://github.com/adafruit/Adafruit_CircuitPython_Bitmap_Font to 1.3.7 from 1.3.6: > Merge pull request adafruit/Adafruit_CircuitPython_Bitmap_Font#41 from jepler/use-bitmaptools-readinto Updating https://github.com/adafruit/Adafruit_CircuitPython_datetime to 1.1.2 from 1.1.1: > Merge pull request adafruit/Adafruit_CircuitPython_datetime#7 from brentru/fix-failing-tests > Merge pull request adafruit/Adafruit_CircuitPython_datetime#6 from cognitivegears/master Updating https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad to 0.14.0 from 0.13.3: > Merge pull request adafruit/Adafruit_CircuitPython_ImageLoad#45 from kmatch98/master > "Increase duplicate code check threshold " > Merge pull request adafruit/Adafruit_CircuitPython_ImageLoad#46 from adafruit/tests-linting Updating https://github.com/adafruit/Adafruit_CircuitPython_Logging to 1.2.8 from 1.2.7: > Merge pull request adafruit/Adafruit_CircuitPython_Logging#18 from dastels/master Updating https://github.com/adafruit/Adafruit_CircuitPython_Motor to 3.3.0 from 3.2.8: > Merge pull request adafruit/Adafruit_CircuitPython_Motor#54 from CedarGroveStudios/master
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Updated the LTR390 sensor library to include UVI and Lux parameters. The revision also includes a
window_factorparameter to accommodate window transmission light loss (defaults to 1.0 = clear or no glass). UVI and Lux values are properly scaled for all gain and resolution settings.The UVI and Lux calculations were taken directly from the data sheet assuming the sensor is factory calibrated. The UVI and Lux measurements were not verified with a calibrated source.
Use example:
To set the window transmission factor to other than the default 1.0: