This circuit interrupts the power supply when grounding is missing. The circuit is from an old documentation (from the 80's) using current transformers and other components of the time.
This version of the traditional debounce circuit was found in a 1964 documentation. The circuit...
This flashing allegory with 555 integrated circuits was found in the Radio Electronics...
This circuit has been removed from the component's datasheet. In it we have a monostable or...