This simple latching alarm circuit using CMOS gates was found in the May 1990 Radio Electronics magazine. The supply voltage is dependent on the relay.
February 25, 2015 - Mouser Electronics, Inc. today announced their new Robotics Technology site....
This circuit divides the frequency of a signal by two. The circuit is found in the May 1977 issue...
Upon pressing the switch, the circuit generates a pulse whose duration depends on C. The...