How a breathalyzer works (alcohol sensor) https://tube.loping.net/videos/watch/71da6e82-755a-44be-bb43-d1589953201b I teardown a commercial, handheld breathalyzer and discuss how it works, then test a standalone ethanol sensor. http://www.seeedstudio.com/depot/images/product/MQ303A.pdf http://www.kosmodrom.com.ua/pdf/MQ303A.pdf http://www.sparkfun.com/products/8880 http://www-personal.umich.edu/~mswool/publications/Gas_Sensors_preprints.pd.pdf Sun, 12 Jul 2026 14:15:20 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.loping.net How a breathalyzer works (alcohol sensor) https://tube.loping.net/lazy-static/avatars/8a56e488-2120-4649-a417-badf5893657b.png https://tube.loping.net/videos/watch/71da6e82-755a-44be-bb43-d1589953201b All rights reserved, unless otherwise specified in the terms specified at https://tube.loping.net/about and potential licenses granted by each content's rightholder.