4 ms·
https://en.wikipedia.org/wiki/Crystal_radio https://en.wikipedia.org/wiki/Crystal_radio
by fuzunoglu 2y ago
https://en.wikipedia.org/wiki/Crystal_radio https://en.wikipedia.org/wiki/Crystal_radio
- weberer 2y agoThe talk page led me to this video where someone manages to light a LED with a crystal radio and a joule thief. https://www.youtube.com/watch?v=za-mAlrdtkk https://www.youtube.com/watch?v=za-mAlrdtkk