This dimmer for the 120 V (117 V) network was found in the magazine Electronics Now of August 1995. The triac is according to the load that must be ohmic.
Pressing S1 stops the circuit. This circuit was found in the October 1992 issue of Radio...
This bass booster preamp is from an English publication (1966). We can mount it with more modern...
This circuit was obtained in a documentation from the 80's. The components used are of the time,...