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.
This circuit was originally recommended to give the call signal on intercoms. However, it can be...
This circuit was suggested by General Electric in 1969 documentation. It provides a maximum output of...
This circuit has a very traditional configuration that can be found elsewhere on the site. R2 and...