This is a very common circuit in the days of xenon flashes for cameras. This is from a Radio Electronics magazine from November 1965. It uses an SCR and has manual triggering.
June 2017 - The new TE Connectivity FSJMI series of illuminated tactiles switches is now available in Mouser...
The frequency of this oscillator depends on the capacitors and typical values for the resistors are 10...
This circuit of a Popular Electronics is intended to control a wiper. The circuit consists of a...