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 circuit was obtained in a 1986 documentation consisting of an active frequency divider for...
The circuit shown is from the Motorola Linear Databook of 1990. It is based on the Motorola T...
This 1 kHz oscillator was found in the February 1970 issue of Radio Electronics magazine. It uses...