Pulse Oximeters; An Amazing Use of Light

Video Description

You might have been seeing a lot about these little devices lately. Have you ever wondered how they work? Well, let's find out! This channel is supported through viewer contribution on Patreon. Thanks to the generous support of people like you, Technology Connections has remained independent and possible. If you'd like to join the amazing people who've pledged their support, check out the link below. Thank you for your consideration! https://www.patreon.com/technologyconnections Some other clicky goodness; Technology Connextras (the second channel that stuff goes on sometimes): https://www.youtube.com/channel/UClRwC5Vc8HrB6vGx6Ti-lhA And thank you to the following patrons! David Bell, Miguel Gonzalez, Bryce Ontiveros, Kenneth A Cusson, Johnathan Reale, Charles Corbin, Simon Arrow, Brett Walton, Martin Schröder, lakewalk3r , Hayden McAfee, Dan Maku, Mark Injerd, Paul Demers, Vladi Ivanov, Michael Sandler, Jacob Harrington, Gustav Toth, Pete Iacono, Perl the Raven, Clay , Jason Letchworth, Benjamin Deming, Thorbjörn Meyer, Eben , M1GEO , Christopher Whyte, Michael Kaegler, Chrno , Taylor Smith, Colin Macdonald, Shlomi Borovitz, Krispin Miller, Jan Borcherding, Matthew Castellana, Finn , Sean Anderson, David , Chaz Serir, Jason Downs, Lincoln Cole, Deviant Ollam, Dillan Weems, Eldrin_22 , Andrew Bogard, Cameron McCormick, Craig Albert, Brandon Ryan, Travis Geiselbrecht, Pedro Brito, Ryan Milke, AARGH! , Marko , splateagle , MaikSan , Timothy Miller, Jim Renney, Steve Lafferty, Joseph Mayfield, Noah Dobson, William Astle, Joe King, John Plasket, Nathaniel Cole Alexander, Don Eitner, Adam Belebczuk, Matt , Karol Koziol, Matt Lawrence, Matthew Krajnak, James Fuhrman, Erik Welander, Mark Majewicz, Logan Shelts, Ryan Dean, Arcanox , Matt Beard, Chad L, Sebastian Mellor, Hildabun, Steets , Matt , Joel Jauregui, James Alexander, Joon Shin, Joseph Weiss, Ben Slater, Calvin Walton, Jesse Crawford, Justin Tokke, Ryan Morash, Matt Towers, digit777 , Tee Jay, Delliardo , Eidorian , MsWhit , Jeremy Price, Lydia Saunders, Henry Fitzgerald, Nishith Thakkar, Samuel Colburn, Raphael Wichary, Pykrete_O.Sages , C. Taylor, Evan Langlais, Andyface , Hugo Melchers, ShirleyNeko , R Fisher, Brian Stilson, ColdRamen77 , Sam Atkinson, PanicOpticon , Don Riesbeck, Craig Engbrecht, Marco Menendez, Nils Schneider, Rob Tapp, Sebastian Muñoz, Andrew Bedia, John Sanchez, Kenneth Dahle, Patrick Wolfensberger, datajerk , Jimmie Rodgers, Sean Bates, Dukey , Biff McKeldin, Sam Farrelly, AFylH9X9ZZGKbxF , Martin Porcheron, Justin Baros, Stephen Turner, kara mccabe, Denzil Wilson, Thomas Daede, Jiri van Bergen, Craig Matthews, Travis Estell, Sean Levorse, David (chipgw), Patrick McCart, H.D. Gregg, Ariel Valenzuela, Cape , Julian Kaagman, PseudsPie , Mark Wingerd, Antoine G, Antonio Juarez, Tobi , Splendid Gecko, Anicast , Steven Salerno, Kevin Tangney, Nicolae Berbece, Andrew Sebastian, Daniel A.A. Pelsmaeker, Joar Wandborg, Walter Huf, Chester Plemany, Keith , Allen Singer, Chris Gardner, Nick Daniels, Michael Dragone, Diego Egido, Devin Wright, Mark Provan, Zarko Kuvalja, Kevin Ragsdale, Karsten Müller-Bier, Ron Painter, Joe Turner, Shaun Faloon, Andrew Collings, Robin Monks, EndoliteMatrix , Ragnar Jensen, Neale Genereux, Alexander Swaim, Aaron Hile, Austin Nunn, Kevin Chevalier, Declan M Martin, Kyoto Fox, Andrew Crawley, Eric Laska, OG-Biebs , Nathaniel Thompson, Paul Giroux, Daniel Ziegler, Chris Hodapp, Wearwolf , Greg Morin, Scott Hutcheson, Ted Kern, Ellen Murray, Paul John Sandoval, Tony Cook, Ben Cook-Feltz, Jim Burgan, dim85 , Sam Lentz, AkeBjorn , Lane Robert, MPc , Daniel Prows, Christopher Lucas, Marcin Żyła, Michael Thomas, thesgtbossman, Vincent Larson, Bryan Boettcher, Vladimir Solomatin, paustin , Ian Baltutis, MetricConversion , AwkwardHuggs , Shane Battye, Howard Jackson, Elizabeth Sullivan-Burton, Charlie Hart, Andrew Johnson, Robin Capper, Turaiel Rylis, Niklas Lehmacher, FL0M0 , Ryan Newson, Steve Russell, Eric Anderson, Jurassic Jacob, Björn Petersen, Jeff Groves, Johann Goergen, Jonathan Benjamin, Steve Toye, Aging Wheels, Bevis King, Bill Danbury, Tony Toon, DA Blair, Daniel Westermann-Clark, Alex Rokholm (PapaQ), Matthew Niederberger, Adwardian , Tim Cox, KJ Skinner, Ouros , Eric Cardwell, C222 , Ken Klavonic, Jesus Hernandez, Fr. Darryl Millette, Michael Valant, Rasmus Larsen, Bence Skorka, Stelly , TKB , ZirconiumX , Tímo , qwertysampletext