This circuit was obtained in a Motorola documentation from 1968. The circuit uses a power transistor of the time. Modern equivalents according to the load current and voltage can be used.
A pulse triggers this 800 Hz horn for a time determined by capacitor C1. Powered by 5 V the...
This circuit was found in an American documentation from the 90s. It consists of an optical memory...
This converter can be used to send information remotely from linear transducers, converting voltages...