The Triac trigger integrated circuit is not very common nowadays. The circuit was found in the Radio Electronics Experimenter magazine from 1989. The triac should be in accordance with the heater.
The uPC2002 circuit is equivalent to the TDA2002 in this 1986 circuit. This integrated circuit must...
Small time intervals up o some minutes can be achieved with this circuit. Only incandescent lamps...
This circuit with a voltage comparator is delayed by the capacitor. The circuit drives a power...