This diagram from a 1967 documentation shows how to switch high voltage neon lamps with 5V TTL outputs. The circuit can be adapted to function as a shield.
This circuit was found in an old American optoelectronics manual. The circuit makes use of an...
This is a traditional flasher configuration with two neon lamps. The frequency is given by the 100 nF...
This article was obtained in a French magazine Nouvelle Electronique from 1994. It can be easily...