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Topic: how to measure o2 and co2 levels ? (Read 2788 times) previous topic - next topic


     i want to measure oxygen and carbon dioxide levels.  is it possible to measure both with same sensor ? otherwise which sensors i have to use ? and how can i read both sensors at same time in serial moniter ?


this may help you. https://www.element14.com/community/community/design-challenges/in-the-air-design-challenge/blog/2015/02/21/in-the-air-challenge-air-quality-sensor-box

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