Imogen2d ago

#Electronics

A 555 timer made with vacuum tubes.

(I did not create this. Simply sharing it.)

Show threadAlexander Knochel
@HopelessDemigod Does it have 5 Megaohm resistors though :)
Apr 5 at 1:47pmWeb
Show threadImogen2d ago

@Quantensalat

That’s a big negative.