A diode is an electrical device that allows current to move through it in one direction with far greater ease than in the other. The first diodes were crystals used as rectifiers in home radio kits. A ...

Diodes today are solid-state devices, but in the beginning of the electronics age, they were crystals, as it was the German physicist Ferdinand Braun who first discovered in 1874 that crystals had ...

[Afroman] is back again with another great tutorial video on the basics of electronics. This time it’s zener diodes. Page three or four of every ‘beginners guide to electronics’ covers a diode as, “a ...