This simple sensitive circuit was suggested in a July 1992 Radio Electronics issue. The relay is a double-contact changeover relay. Sensitivity adjustment is made at R2.
A fourth version of a non-retriggerable monostable is shown in Figure. It is triggered by the...
This circuit is based on an operational amplifier that must be powered by a symmetrical source. The...
This configuration of the year 2000 was used in several projects of this site and even in circuits...