This circuit switches power loads with audio signals. The circuit is from a Popular Electronics from the 90s. The components can be changed depending on the signal used.
In the figure we have a current source whose intensity is given by the formula next to the...
This circuit amplifies signals from 0.5 Hz to 300 kHz. We found it in an old documentation. Equivalent...
The circuit we show is a water pump actuator that, in addition to being automatic, has a water...