Here’s your video introduction to Section 5.2, Display Devices, in the ARRL Extra Class License Manual for Ham Radio. The section covers LEDs, LCDs, CRTs, and CCDs. Watch the video to see what these acronyms mean!
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Attribution: I use one photo from Wikimedia Commons (the different LED types). Here’s the attribution: “Verschiedene LEDs” by Afrank99 – Own work. Licensed under CC BY-SA 2.0 via Wikimedia Commons. And, of course, the starfield backdrops are derived from public-domain images from NASA. In addition, since this video series uses the ARRL book as the text, several of the figures in the video are taken from the book, all with specific reference to the figure in the video.
