This common dimmer configuration is one of thousands that have appeared in electronics publications around the world. This one with a triac was found in October 1977 Radio Electronics magazine.
The circuit shown bellow is na áudio amplifier using Darlington transistor in a complementary...
Indicated for automotive use, this circuit was found in a Popular Electronics from the 90s. The...
This TTL circuit was found in an American documentation from the 80s. The components are common in the...