This post details methods for DIY air quality testing, focusing on achieving high dynamic range without expensive sensors. The author suggests using multiple lower-cost sensors, such as the PMS5003, and employing experimental design to compensate for sensor limitations. Techniques like extending measurement time or using paired sensors in different environments can help evaluate significant particle reductions, potentially achieving over 100,000x particle removal efficacy. AI
RANK_REASON The article describes a novel methodology for scientific research, not a product release or core AI development. [lever_c_demoted from research: ic=1 ai=0.1]
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