Last time, with the help of the Infinite Imagination Room at Korea University of Transportation, this reporter successfully built an air purifier.(Related Article ☞ A Clumsy Maker's Challenge (Part 1) ...
Big cities in the smog: Photos from Beijing and, more recently, Paris clearly illustrate the extent of fine dust pollution. But what about our direct environment? What is the pollution concentration ...
A dust sensor is an optical electronic system to detect fine particles such as dust. In principle, an optical dust sensor detects the dust particle concentration the in air by using an optical sensing ...
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