Any sensor or piezo capsule can be used as a sensor in this circuit. The integrated circuit is also common in our days and a table of sensor voltage levels.
This amplifier for distributing audio signals appears in other articles on this website and even...
This circuit was found in a 1964 MOSFET applications manual. The circuit uses period general...
This circuit works only with incandescent lamps, timing its activation at intervals that depend on C1....