This triac synchronized circuit was found in the July 1995 issue of Electronics Now magazine. The triac must be equipped with a heat sink depending on its power rating.
This amplification stage circuit with a germanium transistor was found in a 1980s documentation. The...
This circuit was originally used in a 1989 documentation presence simulator. The circuit activates...
This circuit is from a Popular Electronics from July 1990. The magazine no longer exists, but the...