#355 Let's try to build a Vacuum Tube Radio
32:06
#314 Retro: Assembler Programming with 8085 (incl. plan for board)
27:07
How A Tube Works
16:11
Let's design an build a vacuum tube amplifier from scratch
29:06
Shortwave Crystal Set!
9:37
The Transistor: a 1953 documentary, anticipating its coming impact on technology
25:16
Cómo utilizar correctamente un analizador de redes vectoriales NanoVNA V2 (tutorial)
11:45
How to Make/Build a Crystal Radio
11:54