This circuit was found in a 1967 General Electric manual. It is intended for the control of high voltage Nixie pipes used at the time. SCRs may be equivalent.
This circuit uses uncommon Texas Instruments components today. The circuit is from an American...
This circuit makes simultaneous control of two up to 150 W incandescent lamps. The circuit is half wave...
Several types of OSEPP sensor modules can be obtained from Mouser Electronics for Arduino...