25:06

Crystal Radios: No Batteries? No Problem!

24:33

Fun with Transistors

37:44

How to modify and convert an FM radio receiver to listen to VHF band.

26:13

Transmisor de FM de un transistor | Como Funciona? | Sponsor LCSC

31:14

Everything is Better: GaN vs Silicon Power Supplies

10:50

Homemade radio without electricity. Manufactured by hand and its curious operation

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Modify a microwave motor for amazing practical uses 😲

7:46

make a simple AM radio , receives all international radio stations