This circuit is from a 1992 PE Hobbyst Handbook. The circuit fires an old electronic flash using an SCR. The circuit can be adapted for other types of applications.
This circuit is from a 1995 publication. The components are all common and the number of LEDs may...
This circuit, found in a 1995 documentation, is intended for switching composite RGB video signals...
This circuit is from Motorola's Linear Interface ICs of 1993. The integrated circuit is not common...