How about a less fancy "heavy pollution mode"?
I bought an SDS011 on aliexpress for 15 euros. At that price it's worth sort-of calibrating it using other sensors or even only city weather data as a comparison.
How about a less fancy "heavy pollution mode"?
I bought an SDS011 on aliexpress for 15 euros. At that price it's worth sort-of calibrating it using other sensors or even only city weather data as a comparison.