Working principle: Difference between revisions
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# Polluted air passing through filter paper | # Polluted air passing through filter paper | ||
# Filter paper absorbs black carbon (BC) | # Filter paper absorbs black carbon (BC) | ||
# | # Sensor measures attenuation of LED shining at 880nm through filter paper | ||
# Data is evaluated by Python script and saved as .csv | # Data is evaluated by Python script and saved as .csv | ||
# Data is displayed in web browser | # Data is displayed in web browser | ||
Revision as of 23:13, 7 July 2021
- Polluted air passing through filter paper
- Filter paper absorbs black carbon (BC)
- Sensor measures attenuation of LED shining at 880nm through filter paper
- Data is evaluated by Python script and saved as .csv
- Data is displayed in web browser