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.
The circuit we present is that of a good power ultrasound generator, as it uses a transistorized output...
Two of the four gates of a 4011 is used in this biestable touch circuit. Do not use a power source...
This encoded lock circuit with alarm for use in homes was found in a publication from the 90s. The...