Showing posts with label beginners. Show all posts
Showing posts with label beginners. Show all posts
Oct 12, 2021
Oct 3, 2021
Sep 27, 2021
Crystal radio
Most electronics enthusiasts started with this diagram.
Crystal radios are the simplest type of radio receiver and can be made with a few inexpensive parts, such as a wire for an antenna, a coil of wire, a capacitor, a crystal detector and earphones (>2000 ohms).
Crystal radio made by Radiola (1922)
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