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Smart air filters has a similar idea: http://smartairfilters.com/en http://smartairfilters.com/en Both projects use a Dylos particle counter, which is a great
by hgbrian 11y ago
Smart air filters has a similar idea: http://smartairfilters.com/en http://smartairfilters.com/en
Both projects use a Dylos particle counter, which is a great tool.