Found in an Electronic Design from the 90s, this circuit uses high voltage operationals of the time to excite a piezoelectric motor in a bridge circuit.
This circuit shows how to use common logic functions to divide a frequency by 7. The output signal...
This circuit can be used in alarms, data links or áudio links using IR radiation. The circuit is...
This circuit was obtained from an American 80's documentation. It can be implemented with modern...