This triac circuit was found in the July 1995 Electronics Now magazine. The triac is based on the heating element current and must be equipped with a heat sink.
We found this circuit in an old Popular Electronics. The circuit is experimental, driving an LED...
This useful circuit is used to test the insulation of cables, appliances, leaks in high voltage...
This circuit is from the magazine 73, for radio amateurs, from the 80s. The circuit uses common...