This high-power shield is isolated from the control. The circuit was found in the June 1995 Electronics Now magazine. The Triac must be equipped with a heat sink.
This is one of the many possible siren configurations for the 555 integrated circuit. We found it in...
This timer has a divider programmed by BCD switches. The circuit is from a Radio Electronics...
Passaje Alarm This locking circuit was found in a 1988 publication. It locks a relay when the...