How to Make/Build a Crystal Radio

توضیحات:

Step-by-step instructions for making a tunable crystal radio. This is a radio that gets its power from the radio waves. I made it almost entirely from junk e...

لغات کلیدی:

how-to, make, crystal, radio, capacitor, tuning, tunable, coil, enamel, 1n34, diode, earpiece, earth, ground, antenna, AM, diy, homemade, wiper, blade, aceto...

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