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.
This simple 80's CMOS game was found in an English magazine of the time. It appears elsewhere on this...
This circuit uses as an indicator a common micrometer type VU with 200 uA of full-scale current. The...
This circuit was found in ancient American documentation. Diodes are general-purpose types. |...