Dave tears down and investigates a Dell infrared IR optical touch screen monitor found in the dumpster.<br />Infrared touch screen are not often used in consumer computer monitor applications compared to resistive and capacitive touch screen technologies.<br /><br />Forum: https://www.eevblog.com/forum/blog/eevblog-1346-how-an-infrared-optical-touch-screen-works/<br /><br /><br />Subscribe on Library: https://lbry.tv/@eevblog:7<br />EEVblog Web Site: http://www.eevblog.com<br />The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2<br />EEVdiscover: https://www.youtube.com/eevdiscover<br />Support the EEVblog through Patreon! http://www.patreon.com/eevblog<br /><br />AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g<br />Buy anything through that link and Dave gets a commission at no cost to you.<br /><br />Donate With Bitcoin & Other Crypto Currencies!<br />https://www.eevblog.com/crypto-currency/<br /><br />T-Shirts: http://teespring.com/stores/eevblog<br />#Teardown #Infrared #Touchscreen
