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 SCR relaxation oscillator was found in an 80's Electronic Design. It flashes a small...
The coils for this transmitter, found in a 2002 documentation, have the following characteristics: L1 - 4...
This dimmer configuration is quite old, as it was found in a 1967 publication. The triac can be of...