This circuit of a Popular Electronics is intended to control a wiper. The circuit consists of a relaxation oscillator with unusual component. The relay must be sensitive.
This circuit was found in an old American documentation. It can operate with signals from 40 Hz to...
The circuit shown in the figure makes it possible to trigger a load after times that can extend up to 4...
This circuit has as a critical component the transformer that has low voltage windings for the...