The circuit presented is from 1994 and can be developed with more modern operators. We found the configuration in the National Semiconductor Linear Applications Handbook.
With this step the motor is energized when the TTL or CMOS input is high. Motors up to 1 amp and...
Other versions exist on this site from various publications. This one is from the Radio...
The load controlled by this circuit depends on the triac used. The circuit is from Electronics Now magazine...