This circuit is used to turn on the headlights when it gets dark. The circuit is from an Electronics Now magazine from October 1998. The power transistor must be equipped with a heatsink.
This circuit is from the 1977 RCA Linear Integrated Circuits Manual. The circuit has a...
This circuit was found in 1980's Radio Electronics. The circuit produces a 1500 Hz modulate 35 kHz....
The maximum power of the controlled load depends on the triac used. The circuit is from a Radio...