Found in the September 1982 issue of Radio Electronics magazine, this circuit triggers a relay intermittently. Triggering is done by a reed switch, but other types of sensors can be used.
This is one of the many anti-deboucer circuits the reader can find on this site. The base is TTL...
This circuit was found in a 90s Popular Electronics. It prevents the power from being switched...
Voltage regulators from 5 to 15 V for currents of 1 A, can be easily obtained in the form of...