This circuit was obtained from a 1966 General Electric documentation. It can serve as a basis for demonstrations of how to decode segments of a display using discrete components.
The circuit is from the 1994 National Semiconductor Linear Applications Handbook. The component used is...
This circuit, which is present in other points of this website, was found in a 90s Hands On...
This simple circuit produces a tone when triggered by any vibration picked up by the sensor. The...