Circuits similar to this can be found in this section. This is from 1967 General Electric documentation. The main SCR must be fitted with a heat sink.
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...