Editor’s Update: According to the schematic for this project, SST-10-UV-A130-F405-00 (PDF) LEDs are used which produce 405nm UV-A light. The manufacturer, Luminus, does not recommend that part for ...
Water purity is a major concern for developing and developed nations ―scarcity of clean water leads to more deaths annually than from all forms of violence combined, including war. Even in the United ...
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