This circuit supplies a load at SO1 when the load at SO2 is powered. The circuit is from a Popular Electronics from the 90s. Diodes and triacs must match the loads.
This common 555 circuit was found in documentation from the 90s. The circuit uses two 555s and the...
This type of circuit, found in American documentation from the 1980s, triggers producing output...
This circuit is nothing more than a voltage quadruplicator that can generate close to 1 000 V from...