| The circuit in the diagram was originally designed to monitor an oscillator, but can also be used as a general-purpose level indicator f...
| The circuit in the diagram was originally designed to monitor an oscillator, but can also be used as a general-purpose level indicator f...
| Parking in crowded streets often causes one’s car to bump into another one. Even though this normally happens at very low speeds, it shoul...
| The delay circuit ensures that a car's intertor light remains on for about five seconds after all the doors have been closed. This enable...