Imogen4d ago

#Electronics

A 555 timer made with vacuum tubes.

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

Show threadKilroy_Was_Here

@HopelessDemigod

Probably the only ESD-proof 555 timer ever made

Apr 5 at 6:02amWeb
Show threadImogen4d ago

@kilroy_was_here

Without a doubt.