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 configuration based on a conventional astable multivibrator was found in a 1982 publication. The...
Operational amplifiers used in this 80's circuit is not very common today, but the setting can be...
This circuit was found in an Electronic Design from 1967. The circuit uses two triacs being T2...