Found in a 1965 Electronic Design, this high voltage circuit uses period transistors. Its purpose was to excite Nixie display tubes common at the time.
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...