We found this circuit in the June 1991 issue of Radio Electronics magazine. The circuit can be used with a resistive sensor or in demonstrations.
This simple timer can be used in many applications such as egg timer. The LED glows up when S1 is...
We find this circuit in a 1980s documentation. The circuit is for SSB modulation and the...
This circuit was found in an old American documentation aimed at amateurs. The circuit generates...