This very high voltage generator for photographing the aura was found in the special edition of Radio Electronics Eerimenter magazine from 1990. The circuit uses a car ignition coil.
This set-rest relay uses two SCR and two switches to control a DC relay. The circuit can be used...
This simple power supply for transistors was found in documentation from the 1940s. The...
The purpose of this circuit is to measure the absorption current of a capacitor. Dielectric...