DIY Beer Can Crystal Radio and Testing #FreeEnergy #NoBattery BillyCdiy 11:53 1 year ago 3 448 Далее Скачать
Make a Crystal Radio Receiver - Part 1 - The Scout's Crystal Set presented Gian Piero de Medici 0:19 2 years ago 4 692 Далее Скачать
The design making and testing of the 3DQ crystal/regen radio3DQ MOS FET 礦石/ 再生收音機 設計製作和測試 BillyCdiy 18:47 1 day ago 181 Далее Скачать
How WW2 solders make radios in during the war #shorts Life Of Diy 0:41 3 years ago 3 024 Далее Скачать
Q factor of Crystal radio resonance circuit made from a beer can VC and a pill bottle spider coil. BillyCdiy 1:01 1 year ago 1 538 Далее Скачать
