Homemade Diode

This video shows how to make a razor blade diode for a foxhole radio.

Supplies:
Razor Blade
Pencil Lead (Graphite)
Safety Pin
Wood
Wire
Screws

References:
http://www.electronicstheory.com/COURSES/projnkits/projDiode.htm
https://en.wikipedia.org/wiki/Crystal_radio

Soldier Picture:
https://commons.wikimedia.org/wiki/File:Anonymous_soldier_with_a_foxhole_radio,_Anzio_Beachhead.jpg#filelinks

Razor Blade Picture:
https://www.flickr.com/photos/51764518@N02/19527840402

Diode Picture:
https://commons.wikimedia.org/wiki/File:Diode_Direction.svg

Видео Homemade Diode канала Over Engineered