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.
Found in old English documentation this circuit can be made with a BF245 or equivalent. Coils are...
This circuit is indicated for the generation of signals in the 40 meters range. The circuit was...
Carbon microphones are no longer used in most projects. However, finding one in the scrap metal, it...